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Marcin_Pro
3
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30
.idea/PrzyrostII.iml
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30
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7
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92
Justyna.md
92
Justyna.md
@ -1,92 +0,0 @@
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# Drzewa decyzyjne, algorytm ID3
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### autor Justyna Zarzycka
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## Opis projektu
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Projekt implementuje tworzenie drzewa decyzyjnego wykorzystującego algorytm ID3, ktióre pomaga określić chęci do pracy agenta na podstawie warunków panujących na planszy.
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### Tworzenie drzewa decyzyjnego
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Funkcja budująca drzewo za pomocą algorymu ID3:
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```py
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def ID3(data, original_data, attributes, target, parent_node_class=None):
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if len(np.unique(data[target])) <= 1:
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return np.unique(data[target])[0]
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elif len(data) == 0:
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return np.unique(original_data[target])[
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np.argmax(np.unique(original_data[target], return_counts=True)[1])]
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elif len(attributes) == 0:
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return parent_node_class
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else:
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parent_node_class = np.unique(data[target])[
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np.argmax(np.unique(data[target], return_counts=True)[1])]
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item_values = [info_gain(data, i, target) for i in
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attributes]
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best_attribute_index = np.argmax(item_values)
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best_attribute = attributes[best_attribute_index]
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tree = {best_attribute: {}}
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attributes = [i for i in attributes if i != best_attribute]
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for value in np.unique(data[best_attribute]):
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sub_data = data.where(data[best_attribute] == value).dropna()
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subtree = ID3(sub_data, data, attributes, target, parent_node_class)
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tree[best_attribute][value] = subtree
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return (tree)
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```
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Cechą charakterystyczną algorytmu jest wybór atrybutów dla których kolejno przeprowadzane są testy taki, aby końcowe drzewo było jak najprostsze i jak najefektywniejsze. Wybór atrybutów opiera się na liczeniu entropii, co pozwala obliczyć, wybór którego z atrybutów da największy przyrost informacji.
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Obliczanie wartości przyrostu informacji:
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||||
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Funkcja oblicza który atrybut najlepiej rozdziela zbiór danych (dzieli zbiór przykładów na jak najbardziej równe podzbiory).
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||||
```py
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def info_gain(data, split_attribute, target):
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_entropy = entropy(data[target])
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vals, counts = np.unique(data[split_attribute], return_counts=True)
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weighted_entropy = np.sum(
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[(counts[i] / np.sum(counts)) * entropy(data.where(data[split_attribute] == vals[i]).dropna()[target])
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for i in range(len(vals))])
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information_gain = _entropy - weighted_entropy
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return information_gain
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||||
```
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Entropia:
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Entropia jest miarą ilości informacji - im mniejsza entropia, tym więcej informacji. W przypadku problemu klasyfikacji przykładów do dwóch odrębnych klas, wzór na entropię przedstawia się następująco:
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Entropy(S) = - ∑ pᵢ * log₂(pᵢ) ; i = 1 to n
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gdzie:
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Z - źródło informacji
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p - prawdopodobieństwo wystąpienia przykładu pozytywnego w zbiorze trenującym
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(1-p) - prawdopodobieństwo wystąpienia przykładu negatywnego w zbiorze trenującym
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||||
```py
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def entropy(attribute):
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values, counts = np.unique(target_col, return_counts=True)
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entropy = np.sum(
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[(-counts[i] / np.sum(counts)) * np.log2(counts[i] / np.sum(counts)) for i in range(len(values))])
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return entropy
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```
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||||
### Zestaw uczący
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||||
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||||
Zestaw budujący drzewo to lista zawierająca 24 przykładów waruków panujących na polu. Atrybyty zapisane są w formacie ['pogoda', 'ile_chwastow', 'ile_burakow', 'czy_chce_pracowac']. Przykłady ze zbioru:
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||||
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||||
```py
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||||
['slonecznie', 'duzo', 'bardzo_malo', 'srednio'],
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['deszcz', 'bardzo_duzo', 'malo', 'nie'],
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['grad', 'bardzo_duzo', 'bardzo_malo', 'nie'],
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||||
['zachmurzenie', 'srednio', 'srednio', 'tak']
|
||||
```
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||||
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||||
### Implementacja w projekcie
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||||
Podprojet uruchamiany jest za pomocą klawisza *F5*. Pobierane są inforamcje o warunkach panujących na polu, na podstawie których oceniana jest chęć do pracy.
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||||
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||||
190
Justyna.py
190
Justyna.py
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||||
import pandas as pd
|
||||
import numpy as np
|
||||
from pprint import pprint
|
||||
import dataset
|
||||
import random
|
||||
|
||||
# obliczenie entropii dla wskazanej kolumny
|
||||
def entropy(attribute):
|
||||
values, counts = np.unique(attribute, return_counts=True)
|
||||
entropy = np.sum(
|
||||
[(-counts[i] / np.sum(counts)) * np.log2(counts[i] / np.sum(counts)) for i in range(len(values))])
|
||||
return entropy
|
||||
|
||||
#obliczanie wartości przyrostu informacji
|
||||
def info_gain(data, split_attribute, target):
|
||||
|
||||
# Wartość entropii zbioru
|
||||
_entropy = entropy(data[target])
|
||||
|
||||
# Wyodrębnienie poszczególnych podzbiorów
|
||||
vals, counts = np.unique(data[split_attribute], return_counts=True)
|
||||
|
||||
# Średnia ważona entropii każdego podzbioru
|
||||
weighted_entropy = np.sum(
|
||||
[(counts[i] / np.sum(counts)) * entropy(data.where(data[split_attribute] == vals[i]).dropna()[target])
|
||||
for i in range(len(vals))])
|
||||
|
||||
# Przyrost informacji
|
||||
information_gain = _entropy - weighted_entropy
|
||||
|
||||
return information_gain
|
||||
|
||||
|
||||
def ID3(data, original_data, attributes, target, parent_node_class=None):
|
||||
|
||||
|
||||
# Jeżeli wszystkie atrybuty są takie same, zwracamy liść z pierwszą napotkaną wartością
|
||||
|
||||
if len(np.unique(data[target])) <= 1:
|
||||
return np.unique(data[target])[0]
|
||||
|
||||
elif len(data) == 0:
|
||||
return np.unique(original_data[target])[
|
||||
np.argmax(np.unique(original_data[target], return_counts=True)[1])]
|
||||
|
||||
elif len(attributes) == 0:
|
||||
return parent_node_class
|
||||
|
||||
else:
|
||||
|
||||
# nadrzędna wartość
|
||||
parent_node_class = np.unique(data[target])[
|
||||
np.argmax(np.unique(data[target], return_counts=True)[1])]
|
||||
|
||||
# obliczenie przyrostu informacji dla każdego atrybutu
|
||||
item_values = [info_gain(data, i, target) for i in
|
||||
attributes]
|
||||
|
||||
# Wybór najlepszego atrybutu
|
||||
best_attribute_index = np.argmax(item_values)
|
||||
best_attribute = attributes[best_attribute_index]
|
||||
|
||||
# Struktura drzewa
|
||||
tree = {best_attribute: {}}
|
||||
|
||||
# Aktualizacja zbioru atrybutów
|
||||
attributes = [i for i in attributes if i != best_attribute]
|
||||
|
||||
# Budowa poddrzewa dla każdej wartości wybranego atrybutu
|
||||
for value in np.unique(data[best_attribute]):
|
||||
|
||||
sub_data = data.where(data[best_attribute] == value).dropna()
|
||||
subtree = ID3(sub_data, data, attributes, target, parent_node_class)
|
||||
|
||||
tree[best_attribute][value] = subtree
|
||||
|
||||
return (tree)
|
||||
|
||||
#tesownie drzewa
|
||||
def test(data, tree):
|
||||
queries = data.iloc[:, :-1].to_dict(orient="records")
|
||||
|
||||
predicted = pd.DataFrame(columns=["predicted"])
|
||||
|
||||
for i in range(len(data)):
|
||||
predicted.loc[i, "predicted"] = search(queries[i], tree, 'nie')
|
||||
print('Precyzja przewidywań: ', (np.sum(predicted["predicted"] == data['czy_chce_pracowac']) / len(data)) * 100, '%')
|
||||
|
||||
#dostowanie danych (lista na słownik) i wywolanie na nich funkcji serach
|
||||
def data_to_dict(data, tree):
|
||||
|
||||
queries = pd.DataFrame(data=data, columns=dataset.header)
|
||||
predicted = pd.DataFrame(columns=["predicted"])
|
||||
dict = queries.iloc[:, :-1].to_dict(orient="records")
|
||||
|
||||
for i in range(len(data)):
|
||||
predicted.loc[i, "predicted"] = search(dict[i], tree, 'nie')
|
||||
|
||||
predicted_list = predicted.values.tolist()
|
||||
return predicted_list[0][0]
|
||||
|
||||
#przeszukwianie drzewa
|
||||
def search(query, tree, default='nie'):
|
||||
|
||||
for key in list(query.keys()):
|
||||
if key in list(tree.keys()):
|
||||
try:
|
||||
result = tree[key][query[key]]
|
||||
except:
|
||||
return default
|
||||
result = tree[key][query[key]]
|
||||
if isinstance(result, dict):
|
||||
return search(query, result)
|
||||
|
||||
else:
|
||||
return result
|
||||
|
||||
class main():
|
||||
def __init__(self,traktor,field,ui,path):
|
||||
self.traktor = traktor
|
||||
self.field = field
|
||||
self.ui = ui
|
||||
self.path = path
|
||||
self.result = 0
|
||||
|
||||
def main(self):
|
||||
training_data = pd.DataFrame(data=dataset.training_data, columns=dataset.header)
|
||||
testing_data = pd.DataFrame(data=dataset.testing_data, columns=dataset.header)
|
||||
|
||||
# Utworzenie drzewa
|
||||
tree = ID3(training_data, training_data, training_data.columns[:-1], 'czy_chce_pracowac')
|
||||
pprint(tree)
|
||||
|
||||
# Testowanie drzewa
|
||||
#print(test(testing_data, tree))
|
||||
|
||||
# Uzyskanie danych od agenta
|
||||
ocena_burakow = self.ocen_ile_burakow()
|
||||
ocena_chwastow = self.ocen_ile_chwastow()
|
||||
pogoda = self.field.get_pogoda_name()
|
||||
print('chwasty: ' + ocena_chwastow)
|
||||
print('buraki: ' + ocena_burakow)
|
||||
print('pogoda: ' + pogoda)
|
||||
data = [[pogoda, ocena_chwastow, ocena_burakow, '']]
|
||||
|
||||
#podjecie decyzji
|
||||
self.result = data_to_dict(data, tree)
|
||||
print('czy oplaca sie pracowac: ' + self.result)
|
||||
|
||||
def get_result(self):
|
||||
return self.result
|
||||
|
||||
def licz_chwasty_buraki(self):
|
||||
chwasty = 0
|
||||
buraki = 0
|
||||
|
||||
for i in self.field.field_matrix:
|
||||
for j in i:
|
||||
if(j==8):
|
||||
buraki = buraki + 1
|
||||
elif(j%2==1):
|
||||
chwasty = chwasty + 1
|
||||
return chwasty, buraki
|
||||
|
||||
def ocen_ile_burakow(self):
|
||||
chwasty, buraki = self.licz_chwasty_buraki()
|
||||
if buraki < 5:
|
||||
return 'bardzo_malo'
|
||||
elif buraki >= 5 and buraki<10:
|
||||
return 'malo'
|
||||
elif buraki >=10 and buraki<15:
|
||||
return 'srednio'
|
||||
elif buraki >=15 and buraki<20:
|
||||
return 'duzo'
|
||||
elif buraki >=20:
|
||||
return 'bardzo_duzo'
|
||||
|
||||
def ocen_ile_chwastow(self):
|
||||
chwasty, buraki = self.licz_chwasty_buraki()
|
||||
if chwasty < 40:
|
||||
return 'bardzo_malo'
|
||||
elif chwasty >= 40 and chwasty<42:
|
||||
return 'malo'
|
||||
elif chwasty >=42 and chwasty<45:
|
||||
return 'srednio'
|
||||
elif chwasty >=45 and chwasty<48:
|
||||
return 'duzo'
|
||||
elif chwasty >=48:
|
||||
return 'bardzo_duzo'
|
||||
|
||||
275
Kamila.py
275
Kamila.py
@ -1,275 +0,0 @@
|
||||
import time
|
||||
|
||||
header = ["hydration", "weeds", "empty", "ready", "TODO"]
|
||||
work = ["Podlac", "Odchwascic", "Zasadzic", "Zebrac"]
|
||||
|
||||
# ustawienie kolejnosci trybow na podstawie pogody
|
||||
# 3 - zebranie
|
||||
# 1 - odchwaszczenie
|
||||
# 2 - zasadzenie
|
||||
# 0 - podlanie
|
||||
|
||||
|
||||
|
||||
# przetłumaczenie numerka (0-8)
|
||||
# nawodnienie, chwasty, puste_pole, gotowe_do_zbioru
|
||||
def translate(field):
|
||||
if field == 0:
|
||||
return [0, 0, 1, 0]
|
||||
elif field == 1:
|
||||
return [0, 1, 1, 0]
|
||||
elif field == 2:
|
||||
return [0, 0, 0, 0]
|
||||
elif field == 3:
|
||||
return [0, 1, 0, 0]
|
||||
elif field == 4:
|
||||
return [1, 0, 1, 0]
|
||||
elif field == 5:
|
||||
return [1, 1, 1, 0]
|
||||
elif field == 6:
|
||||
return [1, 0, 0, 0]
|
||||
elif field == 7:
|
||||
return [1, 1, 0, 0]
|
||||
elif field == 8:
|
||||
return [0, 0, 0, 1]
|
||||
else:
|
||||
print("Błąd: Zły numer pola.")
|
||||
|
||||
|
||||
# TWORZENIE DRZEWA
|
||||
|
||||
|
||||
# liczenie ilości prac do wykonania
|
||||
def class_counts(rows):
|
||||
counts = {}
|
||||
for row in rows:
|
||||
label = row[-1]
|
||||
if label not in counts:
|
||||
counts[label] = 0
|
||||
counts[label] += 1
|
||||
return counts
|
||||
|
||||
|
||||
# sprawdzenie czy wartość jest liczbą
|
||||
def is_numeric(value):
|
||||
return isinstance(value, int) or isinstance(value, float)
|
||||
|
||||
|
||||
# klasa tworząca zapytanie do podziału danych
|
||||
class Question():
|
||||
def __init__(self, column, value):
|
||||
self.column = column
|
||||
self.value = value
|
||||
|
||||
def match(self, example):
|
||||
val = example[self.column]
|
||||
if is_numeric(val):
|
||||
return val >= self.value
|
||||
else:
|
||||
return val == self.value
|
||||
|
||||
# wyświetlenie pytania
|
||||
def __repr__(self):
|
||||
if is_numeric(self.value):
|
||||
condition = "=="
|
||||
return "Czy %s %s %s?" % (
|
||||
header[self.column], condition, str(self.value)
|
||||
)
|
||||
|
||||
|
||||
# podział danych na spełnione i niespełnione wiersze
|
||||
def partition(rows, question):
|
||||
true_rows, false_rows = [], []
|
||||
for row in rows:
|
||||
if question.match(row):
|
||||
true_rows.append(row)
|
||||
else:
|
||||
false_rows.append(row)
|
||||
return true_rows, false_rows
|
||||
|
||||
|
||||
# funkcja implementująca indeks gini
|
||||
def gini(rows):
|
||||
counts = class_counts(rows)
|
||||
impurity = 1
|
||||
for label in counts:
|
||||
prob_of_label = counts[label] / float(len(rows))
|
||||
impurity -= prob_of_label ** 2
|
||||
return impurity
|
||||
|
||||
|
||||
def info_gain(true, false, current_uncertainty):
|
||||
p = float(len(true)) / (len(true) + len(false))
|
||||
return current_uncertainty - p * gini(true) - (1 - p) * gini(false)
|
||||
|
||||
|
||||
# znalezienie najlepszego "miejsca" na podział danych
|
||||
def find_best_split(rows):
|
||||
best_gain = 0
|
||||
best_question = None
|
||||
current_uncertainty = gini(rows)
|
||||
n_features = len(rows[0]) - 1
|
||||
|
||||
for col in range(n_features):
|
||||
|
||||
values = set([row[col] for row in rows])
|
||||
|
||||
for val in values:
|
||||
question = Question(col, val)
|
||||
true_rows, false_rows = partition(rows, question)
|
||||
if len(true_rows) == 0 or len(false_rows) == 0:
|
||||
continue
|
||||
gain = info_gain(true_rows, false_rows, current_uncertainty)
|
||||
if gain >= best_gain:
|
||||
best_gain, best_question = gain, question
|
||||
|
||||
return best_gain, best_question
|
||||
|
||||
|
||||
class Leaf:
|
||||
def __init__(self, rows):
|
||||
self.predictions = class_counts(rows)
|
||||
|
||||
|
||||
class DecisionNode:
|
||||
def __init__(self, question, true_branch, false_branch):
|
||||
self.question = question
|
||||
self.true_branch = true_branch
|
||||
self.false_branch = false_branch
|
||||
|
||||
|
||||
# funkcja budująca drzewo
|
||||
def build_tree(rows):
|
||||
gain, question = find_best_split(rows)
|
||||
if gain == 0:
|
||||
return Leaf(rows)
|
||||
true_rows, false_rows = partition(rows, question)
|
||||
|
||||
true_branch = build_tree(true_rows)
|
||||
false_branch = build_tree(false_rows)
|
||||
|
||||
return DecisionNode(question, true_branch, false_branch)
|
||||
|
||||
|
||||
# funkcja wypisująca drzewo
|
||||
def print_tree(node, spacing=""):
|
||||
if isinstance(node, Leaf):
|
||||
print(spacing + "Przewidywana czynność:", node.predictions)
|
||||
return
|
||||
|
||||
print(spacing + str(node.question))
|
||||
|
||||
print(spacing + '--> Prawda: ')
|
||||
print_tree(node.true_branch, spacing + " ")
|
||||
|
||||
print(spacing + '--> Fałsz: ')
|
||||
print_tree(node.false_branch, spacing + " ")
|
||||
|
||||
|
||||
def classify(field, node):
|
||||
if isinstance(node, Leaf):
|
||||
return node.predictions
|
||||
if node.question.match(field):
|
||||
return classify(field, node.true_branch)
|
||||
else:
|
||||
return classify(field, node.false_branch)
|
||||
|
||||
|
||||
def print_leaf(counts):
|
||||
total = sum(counts.values()) * 1.0
|
||||
probs = {}
|
||||
for label in counts.keys():
|
||||
probs[label] = str(int(counts[label] / total * 100)) + "%"
|
||||
return probs
|
||||
|
||||
|
||||
def set_order(self):
|
||||
if self.field.get_pogoda_value() == 1:
|
||||
order = [3, 1, 2]
|
||||
else:
|
||||
order = [3, 1, 2, 0]
|
||||
return order
|
||||
|
||||
|
||||
class main():
|
||||
def __init__(self, traktor, field, ui, path):
|
||||
self.traktor = traktor
|
||||
self.field = field
|
||||
self.ui = ui
|
||||
self.path = path
|
||||
self.best_action = 0
|
||||
|
||||
|
||||
def main(self):
|
||||
self.learn_tree()
|
||||
# ustalamy kolejnosc
|
||||
order = set_order(self.field.get_pogoda_value())
|
||||
for action in order:
|
||||
self.traktor.set_mode(action) # ustawiamy tryb traktorowi
|
||||
self.search_field() # szukamy pól
|
||||
print("Koniec roboty")
|
||||
|
||||
def main_collective(self, pole):
|
||||
pola = []
|
||||
for i in range(len(pole)):
|
||||
for j in range(len(pole[i])):
|
||||
coords = i * 10 + j
|
||||
print("Pole (%d,%d) Przewidziania czynnosc: %s"
|
||||
% (i, j, print_leaf(
|
||||
classify(translate(pole[i][j]), self.tree)))) # przewidujemy czynność za pomocą drzewa
|
||||
if work[self.traktor.get_mode()] in self.work_field(
|
||||
classify(translate(pole[i][j]), self.tree)): # jezeli zgadza sie z aktualnym trybem:
|
||||
print("Zgodne z wykonywanym trybem")
|
||||
pola.append(coords)
|
||||
print("Koordynaty:", pola)
|
||||
return pola
|
||||
|
||||
def learn_tree(self):
|
||||
|
||||
# tworzymy zbior uczacy, w ktorym podajemy wszystkie mozliwe pola i czynnosci
|
||||
training_data = [[0, 0, 1, 0, "Zasadzic"],
|
||||
[0, 1, 1, 0, "Odchwascic"],
|
||||
[0, 0, 0, 0, "Podlac"],
|
||||
[0, 1, 0, 0, "Odchwascic"],
|
||||
# [1, 0, 1, 0, "Zasadzic"],
|
||||
# [1, 1, 1, 0, "Odchwascic"],
|
||||
[1, 0, 0, 0, "Czekac"],
|
||||
# [1, 1, 0, 0, "Odchwascic"],
|
||||
[0, 0, 0, 1, "Zebrac"]]
|
||||
self.tree = build_tree(training_data)
|
||||
print_tree(self.tree)
|
||||
|
||||
# print("TEST:")
|
||||
# print("Przewidziania czynnosc: %s Czynnosc: Zasadzic"
|
||||
# % print_leaf(classify(translate(4), self.tree)))
|
||||
# print("Przewidziania czynnosc: %s Czynnosc: Odchwascic"
|
||||
# % print_leaf(classify(translate(5), self.tree)))
|
||||
# print("Przewidziania czynnosc: %s Czynnosc: Odchwascic"
|
||||
# % print_leaf(classify(translate(7), self.tree)))
|
||||
|
||||
def work_field(self, labels):
|
||||
works = []
|
||||
|
||||
for label in labels:
|
||||
if labels[label] > 0:
|
||||
works.append(label)
|
||||
return works
|
||||
|
||||
def search_field(self):
|
||||
|
||||
pola = []
|
||||
pole = 0
|
||||
order = set_order(self.field.get_pogoda_value())
|
||||
matrix = self.field.get_matrix() # pobieramy pole
|
||||
for i in range(len(matrix)):
|
||||
for j in range(len(matrix[i])):
|
||||
pole = i * 10 + j
|
||||
print("Pole (%d,%d) Przewidziania czynnosc: %s"
|
||||
% (i, j, print_leaf(classify(translate(matrix[i][j]), self.tree)))) # przewidujemy czynność za pomocą drzewa
|
||||
if work[self.traktor.get_mode()] in self.work_field(classify(translate(matrix[i][j]), self.tree)): # jezeli zgadza sie z aktualnym trybem:
|
||||
print("Zgodne z wykonywanym trybem")
|
||||
pola.append(pole)
|
||||
self.path.find_path(self.traktor, self.field, self.ui, [j, i]) # szukamy sciezki
|
||||
self.ui.update() # update'ujemy UI
|
||||
time.sleep(0.5)
|
||||
|
||||
93
Marcin.md
93
Marcin.md
@ -1,93 +0,0 @@
|
||||
# Podprojekt - sieć neuronowa"
|
||||
**Twórca: Marcin Kwapisz**
|
||||
|
||||
**Klawisz F7 uruchamia program**
|
||||
|
||||
Program otrzymuje zdjęcie aktualnego pola i za
|
||||
pomocą sieci neuronowej określa jakie to jest pole
|
||||
i wybiera tryb w jakim ma pracować traktor
|
||||
|
||||
Sieć neuronowa została nauczona przy użyciu modułu darknet. Sieć została użyta po
|
||||
20000 iteracjach treningowych
|
||||
|
||||
**Main**
|
||||
```
|
||||
def main(self):
|
||||
self.pole = self.ui.field_images[self.field.get_value(self.traktor.get_poz())]
|
||||
self.img = pygame.surfarray.array3d(self.pole)
|
||||
self.img = self.img.transpose([1,0,2])
|
||||
self.img = cv2.cvtColor(self.img, cv2.COLOR_RGB2BGR)
|
||||
self.reco = self.mode(self.recognition(self.img))
|
||||
if self.reco == 10:
|
||||
print("Nic nie trzeba robić")
|
||||
else:
|
||||
self.traktor.set_mode(self.reco)
|
||||
```
|
||||
Wywołuje wszystkie pozostałe funkcje programu
|
||||
|
||||
**Get_output_layers**
|
||||
```
|
||||
def get_output_layers(self,net):
|
||||
layer_names = net.getLayerNames()
|
||||
output_layers = [layer_names[i[0] - 1] for i in net.getUnconnectedOutLayers()]
|
||||
return output_layers
|
||||
```
|
||||
Zwraca nazwy kolejnych warstw, warstwa wyjściowa nie jest połączona z żadną następną warstwą
|
||||
|
||||
**Recognition**
|
||||
```
|
||||
def recognition(self,photo):
|
||||
image = photo
|
||||
|
||||
Width = image.shape[1]
|
||||
Height = image.shape[0]
|
||||
scale = 0.00392
|
||||
|
||||
with open("si.names", 'r') as f:
|
||||
classes = [line.strip() for line in f.readlines()]
|
||||
|
||||
COLORS = np.random.uniform(0, 255, size=(len(classes), 3))
|
||||
|
||||
net = cv2.dnn.readNet("si_20000.weights", "si.cfg")
|
||||
|
||||
blob = cv2.dnn.blobFromImage(image, scale, (416, 416), (0, 0, 0), True, crop=False)
|
||||
|
||||
net.setInput(blob)
|
||||
|
||||
outs = net.forward(self.get_output_layers(net))
|
||||
|
||||
class_ids = []
|
||||
confidences = []
|
||||
boxes = []
|
||||
conf_threshold = 0.5
|
||||
nms_threshold = 0.4
|
||||
|
||||
for out in outs:
|
||||
for detection in out:
|
||||
scores = detection[5:]
|
||||
class_id = np.argmax(scores)
|
||||
confidence = scores[class_id]
|
||||
if confidence > 0.5:
|
||||
class_ids.append(class_id)
|
||||
return class_ids[0]
|
||||
```
|
||||
Odpowiada za odebranie zdjęcia od funkcji głównej i
|
||||
używa sieci neuronowej do rozpoznania zdjęcia
|
||||
|
||||
**Mode**
|
||||
```
|
||||
def mode(self,mode):
|
||||
self.mode_value = mode
|
||||
if self.mode_value in [0, 1, 2, 3]:
|
||||
return 0
|
||||
elif self.mode_value in [1, 3, 5, 7]:
|
||||
return 1
|
||||
elif self.mode_value in [0, 1, 4, 5]:
|
||||
return 2
|
||||
elif self.mode_value in [8]:
|
||||
return 3
|
||||
elif self.mode_value in [6]:
|
||||
return 10
|
||||
```
|
||||
Na podstawie klasy otrzymanej przez funkcję **recognition** wybiera tryb
|
||||
w jakim ma pracować traktor
|
||||
86
Marcin.py
86
Marcin.py
@ -1,86 +0,0 @@
|
||||
import numpy as np
|
||||
import cv2
|
||||
import pygame
|
||||
|
||||
|
||||
class main():
|
||||
def __init__(self,traktor,field,ui,path):
|
||||
self.traktor = traktor
|
||||
self.field = field
|
||||
self.ui = ui
|
||||
self.path = path
|
||||
self.mode_value = 0
|
||||
|
||||
def get_output_layers(self,net):
|
||||
layer_names = net.getLayerNames()
|
||||
output_layers = [layer_names[i[0] - 1] for i in net.getUnconnectedOutLayers()]
|
||||
return output_layers
|
||||
|
||||
def recognition(self,photo):
|
||||
image = photo
|
||||
|
||||
Width = image.shape[1]
|
||||
Height = image.shape[0]
|
||||
scale = 0.00392
|
||||
|
||||
with open("si.names", 'r') as f:
|
||||
classes = [line.strip() for line in f.readlines()]
|
||||
|
||||
COLORS = np.random.uniform(0, 255, size=(len(classes), 3))
|
||||
|
||||
net = cv2.dnn.readNet("si_20000.weights", "si.cfg")
|
||||
|
||||
blob = cv2.dnn.blobFromImage(image, scale, (416, 416), (0, 0, 0), True, crop=False)
|
||||
|
||||
net.setInput(blob)
|
||||
|
||||
outs = net.forward(self.get_output_layers(net))
|
||||
|
||||
class_ids = []
|
||||
confidences = []
|
||||
boxes = []
|
||||
conf_threshold = 0.5
|
||||
nms_threshold = 0.4
|
||||
|
||||
for out in outs:
|
||||
for detection in out:
|
||||
scores = detection[5:]
|
||||
class_id = np.argmax(scores)
|
||||
confidence = scores[class_id]
|
||||
if confidence > 0.5:
|
||||
class_ids.append(class_id)
|
||||
return class_ids[0]
|
||||
|
||||
def main(self):
|
||||
self.pole = self.ui.field_images[self.field.get_value(self.traktor.get_poz())]
|
||||
self.img = pygame.surfarray.array3d(self.pole)
|
||||
self.img = self.img.transpose([1,0,2])
|
||||
self.img = cv2.cvtColor(self.img, cv2.COLOR_RGB2BGR)
|
||||
self.reco = self.mode(self.recognition(self.img))
|
||||
if self.reco == 10:
|
||||
print("Nic nie trzeba robić")
|
||||
else:
|
||||
self.traktor.set_mode(self.reco)
|
||||
|
||||
def mode(self,mode):
|
||||
self.mode_value = mode
|
||||
if self.mode_value in [0, 1, 2, 3]:
|
||||
return 0
|
||||
elif self.mode_value in [1, 3, 5, 7]:
|
||||
return 1
|
||||
elif self.mode_value in [0, 1, 4, 5]:
|
||||
return 2
|
||||
elif self.mode_value in [8]:
|
||||
return 3
|
||||
elif self.mode_value in [6]:
|
||||
return 10
|
||||
|
||||
def main_collective(self,poz = None):
|
||||
if poz is None:
|
||||
poz = self.traktor.get_poz()
|
||||
self.pole = self.ui.field_images[self.field.get_value(poz)]
|
||||
self.img = pygame.surfarray.array3d(self.pole)
|
||||
self.img = self.img.transpose([1, 0, 2])
|
||||
self.img = cv2.cvtColor(self.img, cv2.COLOR_RGB2BGR)
|
||||
self.reco = self.recognition(self.img)
|
||||
return self.reco
|
||||
327
Piotrek.py
327
Piotrek.py
@ -1,327 +0,0 @@
|
||||
import field, pathfinding_tractorless, pathfinding_tractor
|
||||
import random
|
||||
|
||||
class main():
|
||||
|
||||
def __init__(self,traktor,field,ui,path):
|
||||
self.traktor = traktor
|
||||
self.field = field
|
||||
self.ui = ui
|
||||
self.path = path
|
||||
self.pathfinding_tractorless = pathfinding_tractorless.pathfinding_tractorless()
|
||||
self.pathfinding_tractor = pathfinding_tractor.pathfinding_tractor()
|
||||
|
||||
# def wspolrzedne(self): #wyznacza wspolrzedne pol danego rodzaju na planszy
|
||||
# znalezione_pola = []
|
||||
# k = 0
|
||||
# ktore_pole = self.traktor.get_modes_values() #rodzaj pól zależy od ustawionego trybu pracy agenta
|
||||
# for i in self.field.field_matrix:
|
||||
# l = 0
|
||||
# for j in i:
|
||||
# if j in ktore_pole:
|
||||
# znalezione_pola.append(k*10+l)
|
||||
# l = l + 1
|
||||
# k = k + 1
|
||||
# pierwsze_szukane_pole = znalezione_pola[0] #początkowa współrzędna, w każdym przypadku pole startowe [0,0]
|
||||
# znalezione_pola.append(pierwsze_szukane_pole)
|
||||
# print("Współrzędne szukanych pól: " + str(znalezione_pola))
|
||||
# return znalezione_pola
|
||||
|
||||
def koszt_przejazdu(self,znalezione_pola): #wyznacza koszt trasy przez pola danego rodzaju w zadanej kolejnosci
|
||||
self.liczba_pol = len(znalezione_pola)
|
||||
total_cost = 0
|
||||
i = 0
|
||||
while i < (self.liczba_pol - 1):
|
||||
# print(str(self.pathfinding_tractorless.pathfinding_tractorless(self.field,znalezione_pola,i)))
|
||||
total_cost = total_cost + self.pathfinding_tractorless.pathfinding_tractorless(self.field,znalezione_pola,i)
|
||||
# print(str(total_cost))
|
||||
i = i + 1
|
||||
# print("Koszt przejścia przez pola w zadanej kolejności: " + str(total_cost))
|
||||
# print("###################")
|
||||
return total_cost
|
||||
|
||||
def tworzenie_pokolenia(self,znalezione_pola,i):
|
||||
first_coord = znalezione_pola[0]
|
||||
x = len(znalezione_pola) - 2
|
||||
wspolrzedne_shuffle = []
|
||||
while x > 0:
|
||||
wspolrzedne_shuffle.append(znalezione_pola[x])
|
||||
x = x - 1
|
||||
x = len(znalezione_pola) - 1
|
||||
lista_osobnikow = []
|
||||
while i > 0: #liczebność pierwszego pokolenia (domyślnie 10)
|
||||
nowy_osobnik = random.sample(wspolrzedne_shuffle, len(wspolrzedne_shuffle))
|
||||
nowy_osobnik.insert(0,first_coord) #dodanie na początek listy 0, jako współrzenej startowej
|
||||
nowy_osobnik.insert(x,first_coord) #dodanie na koniec listy 0, jako współrzenej końcowej
|
||||
lista_osobnikow.append(nowy_osobnik)
|
||||
i = i - 1
|
||||
# print("Lista osobników: " + str(lista_osobnikow))
|
||||
return lista_osobnikow
|
||||
|
||||
def ocena_przystosowania(self,pokolenia):
|
||||
suma_kosztow_tras = 0
|
||||
ile_osobnikow = 0
|
||||
koszty_tras_osobnikow = []
|
||||
y = 0
|
||||
pierwszy_koszt = self.koszt_przejazdu(pokolenia[y])
|
||||
najtanszy_osobnik = pokolenia[y]
|
||||
najnizszy_koszt = pierwszy_koszt
|
||||
najwyzszy_koszt = pierwszy_koszt
|
||||
for i in pokolenia:
|
||||
koszty_tras_osobnikow.append(self.koszt_przejazdu(i))
|
||||
suma_kosztow_tras = suma_kosztow_tras + self.koszt_przejazdu(i)
|
||||
ile_osobnikow = ile_osobnikow + 1
|
||||
if self.koszt_przejazdu(i) < najnizszy_koszt:
|
||||
najnizszy_koszt = self.koszt_przejazdu(i)
|
||||
najtanszy_osobnik = i
|
||||
if self.koszt_przejazdu(i) > najwyzszy_koszt:
|
||||
najwyzszy_koszt = self.koszt_przejazdu(i)
|
||||
# print("Najtansza trasa w danym pokoleniu: " + str(najnizszy_koszt))
|
||||
# print("Najdrozsza trasa w danym pokoleniu: " + str(najwyzszy_koszt))
|
||||
srednie_przystosowanie = suma_kosztow_tras/ile_osobnikow #parametr potrzebny do oceny przystosowania osobnikow
|
||||
przystosowanie_osobnikow = []
|
||||
sumaryczne_przystosowanie_osobnikow = 0
|
||||
l = 0
|
||||
for i in koszty_tras_osobnikow:
|
||||
przystosowanie_osobnikow.append(round(((srednie_przystosowanie/koszty_tras_osobnikow[l])*10),2))
|
||||
sumaryczne_przystosowanie_osobnikow += round(((srednie_przystosowanie/koszty_tras_osobnikow[l])*10),2)
|
||||
l = l + 1
|
||||
# print(str(round(sumaryczne_przystosowanie_osobnikow,2)))
|
||||
# print("Ocena przystosowania każdego z osobników: " + str(przystosowanie_osobnikow))
|
||||
# print("Koszty tras każdego z osobników: " + str(koszty_tras_osobnikow))
|
||||
# print("Średnie przystosowanie wszystkich osobników: " + str(srednie_przystosowanie))
|
||||
return(przystosowanie_osobnikow, najnizszy_koszt, najwyzszy_koszt, srednie_przystosowanie, najtanszy_osobnik)
|
||||
|
||||
def wybor_populacji_posredniej(self,pierwsze_pokolenie,przystosowanie_osobnikow):
|
||||
x = len(przystosowanie_osobnikow)
|
||||
tabela_ruletki = []
|
||||
populacja_posrednia = []
|
||||
i = 0
|
||||
przedzial = 0
|
||||
while x > 0: #stworzenie "koła ruletki" do selecji osobników populacji pośredniej
|
||||
przedzial = przedzial + przystosowanie_osobnikow[i]
|
||||
tabela_ruletki.append(round(przedzial,2))
|
||||
x = x - 1
|
||||
i = i + 1
|
||||
#print("Tabela ruletki do losowania z przedziałami dla każdego osobnika: " + str(tabela_ruletki))
|
||||
x = len(przystosowanie_osobnikow)/2 #losowanie połowy liczby osobników populacji początkowej do populacji pośredniej
|
||||
maks = tabela_ruletki[i-1]
|
||||
while x > 0:
|
||||
i = 0
|
||||
n = random.uniform(0, maks) #losowanie przedziału
|
||||
while n > tabela_ruletki[i]:
|
||||
i = i + 1
|
||||
populacja_posrednia.append(pierwsze_pokolenie[i])
|
||||
x = x - 1
|
||||
# print("Populacja pośrednia (rodziców): " + str(populacja_posrednia)) #populacja posrednia, z której zostanie utworzona populacja potomków
|
||||
return populacja_posrednia
|
||||
|
||||
def krzyzowanie(self,populacja_posrednia):
|
||||
populacja_po_krzyzowaniu = []
|
||||
x = len(populacja_posrednia) - 1
|
||||
while x > 0:
|
||||
rodzic_1 = populacja_posrednia[x]
|
||||
#print("Rodzic nr 1: " + str(rodzic_1))
|
||||
rodzic_2 = populacja_posrednia[x-1]
|
||||
#print("Rodzic nr 2: " + str(rodzic_2))
|
||||
dziecko_1 = []
|
||||
dziecko_2 = []
|
||||
czy_krzyzowac = random.randint(1,100) #losowanie czy krzyzowac rodzicow, czy nie (szanse 10%)
|
||||
if (czy_krzyzowac < 11) and (rodzic_1 != rodzic_2): #jesli krzyzowanie nastepuje
|
||||
miejsce_krzyzowania = random.randint(1,(len(populacja_posrednia[x])-3)) #wybor miejsca krzyzowania
|
||||
l = 0
|
||||
k = miejsce_krzyzowania
|
||||
while k >= 0: #dodawanie do dziecka pierwszej połowy z pierwszego rodzica
|
||||
dziecko_1.append(rodzic_1[l])
|
||||
l = l + 1
|
||||
k = k - 1
|
||||
k = miejsce_krzyzowania
|
||||
while k < (len(rodzic_1)-2): #dodawanie do dziecka drugiej połowy z drugiego rodzica
|
||||
for i in rodzic_2:
|
||||
if i not in dziecko_1:
|
||||
dziecko_1.append(i)
|
||||
k = k + 1
|
||||
l = 0
|
||||
k = miejsce_krzyzowania
|
||||
while k >= 0: #dodawanie do dziecka pierwszej połowy z pierwszego rodzica
|
||||
dziecko_2.append(rodzic_2[l])
|
||||
l = l + 1
|
||||
k = k - 1
|
||||
k = miejsce_krzyzowania
|
||||
while k < (len(rodzic_1)-2): #dodawanie do dziecka drugiej połowy z drugiego rodzica
|
||||
for i in rodzic_1:
|
||||
if i not in dziecko_2:
|
||||
dziecko_2.append(i)
|
||||
k = k + 1
|
||||
dziecko_1.append(0)
|
||||
dziecko_2.append(0)
|
||||
else: #jesli krzyzowanie nie nastepuje, wowczas potencjalni rodzice staja sie dziecmi
|
||||
dziecko_1 = rodzic_1
|
||||
dziecko_2 = rodzic_2
|
||||
populacja_po_krzyzowaniu.append(dziecko_1)
|
||||
populacja_po_krzyzowaniu.append(dziecko_2)
|
||||
# print("Dziecko nr 1: " + str(dziecko_1))
|
||||
# print("Dziecko nr 2: " + str(dziecko_2))
|
||||
x = x - 1
|
||||
|
||||
#ostatnie krzyżowanie, pomiędzy pierwszym a ostatnim rodzicem z listy osobnikow nalezacych do populacji posredniej
|
||||
|
||||
rodzic_1 = populacja_posrednia[0]
|
||||
#print("Rodzic nr 1: " + str(rodzic_1))
|
||||
rodzic_2 = populacja_posrednia[(len(populacja_posrednia)-1)]
|
||||
#print("Rodzic nr 2: " + str(rodzic_2))
|
||||
dziecko_1 = []
|
||||
dziecko_2 = []
|
||||
czy_krzyzowac = random.randint(1,100) #losowanie czy krzyzowac rodzicow, czy nie (szanse 10%)
|
||||
if (czy_krzyzowac < 11) and (rodzic_1 != rodzic_2): #jesli krzyzowanie nastepuje
|
||||
miejsce_krzyzowania = random.randint(1,(len(populacja_posrednia[x])-3)) #wybor miejsca krzyzowania
|
||||
l = 0
|
||||
k = miejsce_krzyzowania
|
||||
while k >= 0: #dodawanie do dziecka pierwszej połowy z pierwszego rodzica
|
||||
dziecko_1.append(rodzic_1[l])
|
||||
l = l + 1
|
||||
k = k - 1
|
||||
k = miejsce_krzyzowania
|
||||
while k < (len(rodzic_1)-2): #dodawanie do dziecka drugiej połowy z drugiego rodzica
|
||||
for i in rodzic_2:
|
||||
if i not in dziecko_1:
|
||||
dziecko_1.append(i)
|
||||
k = k + 1
|
||||
l = 0
|
||||
k = miejsce_krzyzowania
|
||||
while k >= 0: #dodawanie do dziecka pierwszej połowy z pierwszego rodzica
|
||||
dziecko_2.append(rodzic_2[l])
|
||||
l = l + 1
|
||||
k = k - 1
|
||||
k = miejsce_krzyzowania
|
||||
while k < (len(rodzic_1)-2): #dodawanie do dziecka drugiej połowy z drugiego rodzica
|
||||
for i in rodzic_1:
|
||||
if i not in dziecko_2:
|
||||
dziecko_2.append(i)
|
||||
k = k + 1
|
||||
dziecko_1.append(0)
|
||||
dziecko_2.append(0)
|
||||
else: #jesli krzyzowanie nie nastepuje, wowczas potencjalni rodzice staja sie dziecmi
|
||||
dziecko_1 = rodzic_1
|
||||
dziecko_2 = rodzic_2
|
||||
populacja_po_krzyzowaniu.append(dziecko_1)
|
||||
populacja_po_krzyzowaniu.append(dziecko_2)
|
||||
# print("Dziecko nr 1: " + str(dziecko_1))
|
||||
# print("Dziecko nr 2: " + str(dziecko_2))
|
||||
return populacja_po_krzyzowaniu
|
||||
|
||||
def mutacja(self,populacja_po_krzyzowaniu):
|
||||
k = len(populacja_po_krzyzowaniu) - 1
|
||||
while k >= 0:
|
||||
czy_mutacja = random.randint(0,100)
|
||||
if czy_mutacja < 3: # Szanse 2%
|
||||
kogo_mutujemy = populacja_po_krzyzowaniu[k]
|
||||
populacja_po_krzyzowaniu.remove(kogo_mutujemy)
|
||||
l = len(kogo_mutujemy) - 1
|
||||
# print("Osobnik przed mutacją: " + str(kogo_mutujemy))
|
||||
x = random.randint(1,l)
|
||||
y = random.randint(1,l)
|
||||
while x == y:
|
||||
y = random.randint(1,l)
|
||||
zamiennik = kogo_mutujemy[x]
|
||||
kogo_mutujemy[x] = kogo_mutujemy[y]
|
||||
kogo_mutujemy[y] = zamiennik
|
||||
# print("Osobnik po mutacji: " + str(kogo_mutujemy))
|
||||
populacja_po_krzyzowaniu.insert(k,kogo_mutujemy)
|
||||
else:
|
||||
pass
|
||||
k = k - 1
|
||||
populacja_po_mutacji = populacja_po_krzyzowaniu
|
||||
# print("Populacja po mutacji: " + str(populacja_po_mutacji))
|
||||
return populacja_po_mutacji
|
||||
|
||||
def optymalizacja(self,populacja_po_mutacji,znalezione_pola): #polega na eliminacji powtarzających się tras
|
||||
populacja_po_optymalizacji = populacja_po_mutacji
|
||||
i = len(populacja_po_mutacji)
|
||||
l = 1
|
||||
while l < i:
|
||||
k = l
|
||||
while k >= 0:
|
||||
if populacja_po_mutacji[l] == populacja_po_mutacji[k-1]:
|
||||
populacja_po_optymalizacji.remove(populacja_po_mutacji[k-1])
|
||||
x = len(znalezione_pola) - 2
|
||||
wspolrzedne_shuffle = []
|
||||
while x > 0:
|
||||
wspolrzedne_shuffle.append(znalezione_pola[x])
|
||||
x = x - 1
|
||||
x = len(znalezione_pola) - 1
|
||||
nowy_osobnik = random.sample(wspolrzedne_shuffle, len(wspolrzedne_shuffle))
|
||||
nowy_osobnik.insert(0,znalezione_pola[0]) #dodanie na początek listy 0, jako współrzenej startowej
|
||||
nowy_osobnik.insert(x,znalezione_pola[0])
|
||||
populacja_po_optymalizacji.append(nowy_osobnik)
|
||||
# print("Nastąpiła optymalizacja")
|
||||
else:
|
||||
pass
|
||||
k = k - 1
|
||||
l = l + 1
|
||||
# print("Populacja po optymalizacji: " + str(populacja_po_optymalizacji))
|
||||
return populacja_po_optymalizacji
|
||||
|
||||
def algorytm_genetyczny(self,coords):
|
||||
self.koszt_trasy = self.koszt_przejazdu(coords)
|
||||
# Utworzenie pokolenia
|
||||
self.pierwsze_pokolenie = self.tworzenie_pokolenia(coords,10)
|
||||
# Funkcja przystosowania
|
||||
self.przystosowanie, self.najnizszy_koszt, self.najwyzszy_koszt, self.srednie_przystosowanie_pierwszego_pokolenia, self.najtanszy_osobnik = self.ocena_przystosowania(self.pierwsze_pokolenie)
|
||||
# Populacja pośrednia wybrana metodą ruletki
|
||||
self.populacja_posrednia = self.wybor_populacji_posredniej(self.pierwsze_pokolenie, self.przystosowanie)
|
||||
# Krzyżowanie populacji pośredniej
|
||||
self.populacja_po_krzyzowaniu = self.krzyzowanie(self.populacja_posrednia)
|
||||
# Mutacja populacji pośredniej
|
||||
self.populacja_po_mutacji = self.mutacja(self.populacja_po_krzyzowaniu)
|
||||
# Optymalizacja populacji pośredniej
|
||||
self.populacja_po_optymalizacji = self.optymalizacja(self.populacja_po_mutacji,coords)
|
||||
self.maks_koszt = self.najwyzszy_koszt
|
||||
self.min_koszt = self.najnizszy_koszt
|
||||
self.najtansza_trasa = self.najtanszy_osobnik
|
||||
i = 2
|
||||
self.ktore_pokolenie = 1
|
||||
while i < 41:
|
||||
print(" ")
|
||||
print("*********************")
|
||||
print("Pokolenie " + str(i))
|
||||
print("*********************")
|
||||
print(" ")
|
||||
# Funkcja przystosowania
|
||||
self.przystosowanie, self.najnizszy_koszt, self.najwyzszy_koszt, self.srednie_przystosowanie, self.najtanszy_osobnik = self.ocena_przystosowania(self.populacja_po_optymalizacji)
|
||||
if self.najwyzszy_koszt > self.maks_koszt:
|
||||
self.maks_koszt = self.najwyzszy_koszt
|
||||
if self.najnizszy_koszt < self.min_koszt:
|
||||
self.min_koszt = self.najnizszy_koszt
|
||||
self.najtansza_trasa = self.najtanszy_osobnik
|
||||
self.ktore_pokolenie = i
|
||||
print("Nowy najnizszy koszt: " + str(self.min_koszt))
|
||||
print("Nowa najtansza trasa: " + str(self.najtansza_trasa))
|
||||
# Populacja pośrednia wybrana metodą ruletki
|
||||
self.populacja_posrednia = self.wybor_populacji_posredniej(self.populacja_po_mutacji, self.przystosowanie)
|
||||
# Krzyżowanie populacji pośredniej
|
||||
self.populacja_po_krzyzowaniu = self.krzyzowanie(self.populacja_posrednia)
|
||||
# Mutacja populacji pośredniej
|
||||
self.populacja_po_mutacji = self.mutacja(self.populacja_po_krzyzowaniu)
|
||||
# Optymalizacja populacji pośredniej
|
||||
self.populacja_po_optymalizacji = self.optymalizacja(self.populacja_po_mutacji,coords)
|
||||
i = i + 1
|
||||
if (self.min_koszt)/(self.srednie_przystosowanie_pierwszego_pokolenia) < (0.69):
|
||||
print("Zakończono wykonywanie algorytmu po " + str(i) + " pokoleniach")
|
||||
break
|
||||
print("Średnie przygotowanie pierwszego pokolenia: " + str(self.srednie_przystosowanie_pierwszego_pokolenia))
|
||||
print("Stosunek poprawienia kosztu trasy względem początku: " + str((self.min_koszt)/(self.srednie_przystosowanie_pierwszego_pokolenia)))
|
||||
print("Najnizszy znaleziony koszt to " + str(self.min_koszt) + " znaleziony w pokoleniu nr " + str(self.ktore_pokolenie))
|
||||
print("Najtansza znaleziona trasa to " + str(self.najtansza_trasa))
|
||||
# print("Najwyzszy znaleziony koszt: " + str(self.maks_koszt))
|
||||
|
||||
def wykonanie_trasy(self):
|
||||
i = len(self.najtansza_trasa) - 1
|
||||
l = 0
|
||||
while l < i:
|
||||
self.pathfinding_tractor.pathfinding_tractor(self.field, self.traktor, self.ui, self.najtansza_trasa, l)
|
||||
l = l + 1
|
||||
|
||||
def main(self,coords):
|
||||
self.algorytm_genetyczny(coords)
|
||||
self.wykonanie_trasy()
|
||||
0
PrzyrostII/__init__.py
Normal file
0
PrzyrostII/__init__.py
Normal file
BIN
PrzyrostII/__pycache__/__init__.cpython-36.pyc
Normal file
BIN
PrzyrostII/__pycache__/__init__.cpython-36.pyc
Normal file
Binary file not shown.
BIN
PrzyrostII/__pycache__/settings.cpython-36.pyc
Normal file
BIN
PrzyrostII/__pycache__/settings.cpython-36.pyc
Normal file
Binary file not shown.
BIN
PrzyrostII/__pycache__/urls.cpython-36.pyc
Normal file
BIN
PrzyrostII/__pycache__/urls.cpython-36.pyc
Normal file
Binary file not shown.
BIN
PrzyrostII/__pycache__/wsgi.cpython-36.pyc
Normal file
BIN
PrzyrostII/__pycache__/wsgi.cpython-36.pyc
Normal file
Binary file not shown.
16
PrzyrostII/asgi.py
Normal file
16
PrzyrostII/asgi.py
Normal file
@ -0,0 +1,16 @@
|
||||
"""
|
||||
ASGI config for PrzyrostII project.
|
||||
|
||||
It exposes the ASGI callable as a module-level variable named ``application``.
|
||||
|
||||
For more information on this file, see
|
||||
https://docs.djangoproject.com/en/3.0/howto/deployment/asgi/
|
||||
"""
|
||||
|
||||
import os
|
||||
|
||||
from django.core.asgi import get_asgi_application
|
||||
|
||||
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'PrzyrostII.settings')
|
||||
|
||||
application = get_asgi_application()
|
||||
122
PrzyrostII/settings.py
Normal file
122
PrzyrostII/settings.py
Normal file
@ -0,0 +1,122 @@
|
||||
"""
|
||||
Django settings for PrzyrostII project.
|
||||
|
||||
Generated by 'django-admin startproject' using Django 3.0.2.
|
||||
|
||||
For more information on this file, see
|
||||
https://docs.djangoproject.com/en/3.0/topics/settings/
|
||||
|
||||
For the full list of settings and their values, see
|
||||
https://docs.djangoproject.com/en/3.0/ref/settings/
|
||||
"""
|
||||
|
||||
import os
|
||||
|
||||
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
|
||||
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
||||
|
||||
|
||||
# Quick-start development settings - unsuitable for production
|
||||
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
|
||||
|
||||
# SECURITY WARNING: keep the secret key used in production secret!
|
||||
SECRET_KEY = 'pj5gb2pe4es4_sx9*sb#bp#ym1#z5_z1d1yy+h@(2rb79vkxub'
|
||||
|
||||
# SECURITY WARNING: don't run with debug turned on in production!
|
||||
DEBUG = True
|
||||
|
||||
ALLOWED_HOSTS = []
|
||||
|
||||
|
||||
# Application definition
|
||||
|
||||
INSTALLED_APPS = [
|
||||
'django.contrib.admin',
|
||||
'django.contrib.auth',
|
||||
'django.contrib.contenttypes',
|
||||
'django.contrib.sessions',
|
||||
'django.contrib.messages',
|
||||
'django.contrib.staticfiles',
|
||||
'przyrost',
|
||||
]
|
||||
|
||||
MIDDLEWARE = [
|
||||
'django.middleware.security.SecurityMiddleware',
|
||||
'django.contrib.sessions.middleware.SessionMiddleware',
|
||||
'django.middleware.common.CommonMiddleware',
|
||||
'django.middleware.csrf.CsrfViewMiddleware',
|
||||
'django.contrib.auth.middleware.AuthenticationMiddleware',
|
||||
'django.contrib.messages.middleware.MessageMiddleware',
|
||||
'django.middleware.clickjacking.XFrameOptionsMiddleware',
|
||||
]
|
||||
|
||||
ROOT_URLCONF = 'PrzyrostII.urls'
|
||||
|
||||
TEMPLATES = [
|
||||
{
|
||||
'BACKEND': 'django.template.backends.django.DjangoTemplates',
|
||||
'DIRS': [os.path.join(BASE_DIR, 'templates')]
|
||||
,
|
||||
'APP_DIRS': True,
|
||||
'OPTIONS': {
|
||||
'context_processors': [
|
||||
'django.template.context_processors.debug',
|
||||
'django.template.context_processors.request',
|
||||
'django.contrib.auth.context_processors.auth',
|
||||
'django.contrib.messages.context_processors.messages',
|
||||
],
|
||||
},
|
||||
},
|
||||
]
|
||||
|
||||
WSGI_APPLICATION = 'PrzyrostII.wsgi.application'
|
||||
|
||||
|
||||
# Database
|
||||
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
|
||||
|
||||
DATABASES = {
|
||||
'default': {
|
||||
'ENGINE': 'django.db.backends.sqlite3',
|
||||
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
# Password validation
|
||||
# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
|
||||
|
||||
AUTH_PASSWORD_VALIDATORS = [
|
||||
{
|
||||
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
|
||||
},
|
||||
{
|
||||
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
|
||||
},
|
||||
{
|
||||
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
|
||||
},
|
||||
{
|
||||
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
|
||||
},
|
||||
]
|
||||
|
||||
|
||||
# Internationalization
|
||||
# https://docs.djangoproject.com/en/3.0/topics/i18n/
|
||||
|
||||
LANGUAGE_CODE = 'en-us'
|
||||
|
||||
TIME_ZONE = 'UTC'
|
||||
|
||||
USE_I18N = True
|
||||
|
||||
USE_L10N = True
|
||||
|
||||
USE_TZ = True
|
||||
|
||||
|
||||
# Static files (CSS, JavaScript, Images)
|
||||
# https://docs.djangoproject.com/en/3.0/howto/static-files/
|
||||
|
||||
STATIC_URL = '/static/'
|
||||
22
PrzyrostII/urls.py
Normal file
22
PrzyrostII/urls.py
Normal file
@ -0,0 +1,22 @@
|
||||
"""PrzyrostII URL Configuration
|
||||
|
||||
The `urlpatterns` list routes URLs to views. For more information please see:
|
||||
https://docs.djangoproject.com/en/3.0/topics/http/urls/
|
||||
Examples:
|
||||
Function views
|
||||
1. Add an import: from my_app import views
|
||||
2. Add a URL to urlpatterns: path('', views.home, name='home')
|
||||
Class-based views
|
||||
1. Add an import: from other_app.views import Home
|
||||
2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
|
||||
Including another URLconf
|
||||
1. Import the include() function: from django.urls import include, path
|
||||
2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
|
||||
"""
|
||||
from django.contrib import admin
|
||||
from django.urls import path, include
|
||||
|
||||
urlpatterns = [
|
||||
path('admin/', admin.site.urls),
|
||||
path(r'', include('przyrost.urls')),
|
||||
]
|
||||
16
PrzyrostII/wsgi.py
Normal file
16
PrzyrostII/wsgi.py
Normal file
@ -0,0 +1,16 @@
|
||||
"""
|
||||
WSGI config for PrzyrostII project.
|
||||
|
||||
It exposes the WSGI callable as a module-level variable named ``application``.
|
||||
|
||||
For more information on this file, see
|
||||
https://docs.djangoproject.com/en/3.0/howto/deployment/wsgi/
|
||||
"""
|
||||
|
||||
import os
|
||||
|
||||
from django.core.wsgi import get_wsgi_application
|
||||
|
||||
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'PrzyrostII.settings')
|
||||
|
||||
application = get_wsgi_application()
|
||||
|
Before Width: | Height: | Size: 9.3 KiB After Width: | Height: | Size: 9.3 KiB |
|
Before Width: | Height: | Size: 8.8 KiB After Width: | Height: | Size: 8.8 KiB |
69
SI_Projekt/main.py
Normal file
69
SI_Projekt/main.py
Normal file
@ -0,0 +1,69 @@
|
||||
from typing import List
|
||||
|
||||
import pygame
|
||||
import sys
|
||||
from pygame.locals import *
|
||||
import functions
|
||||
import os
|
||||
from config import *
|
||||
|
||||
pygame.init()
|
||||
#Załadowanie zdjęć
|
||||
|
||||
|
||||
#Pole tekstowe
|
||||
ILE_RUCHOW = 0
|
||||
|
||||
#Init pola gry
|
||||
okno = pygame.display.set_mode((SZER, WYS), 0, 32)
|
||||
|
||||
#Tytuł okna
|
||||
pygame.display.set_caption(WINDOW_NAME)
|
||||
|
||||
#Tworzenie powierzchni pola
|
||||
pole_surf = pygame.Surface([POLE_SZER,POLE_WYS])
|
||||
pole_surf.fill(POLE_COL)
|
||||
pole_surf_rect = pole_surf.get_rect()
|
||||
pole_surf_rect.x = POLE_POZ[0]
|
||||
pole_surf_rect.y = POLE_POZ[1]
|
||||
|
||||
pole1_surf = pygame.Surface([POLE_SZER+150,POLE_WYS+150])
|
||||
pole1_surf.fill((0,0,0))
|
||||
pole1_surf_rect = pole_surf.get_rect()
|
||||
pole1_surf_rect.x = POLE_POZ[0] - 75
|
||||
pole1_surf_rect.y = POLE_POZ[1] - 75
|
||||
#Tworzenie pól pola(w sensie właściwe pola do obróbki)
|
||||
|
||||
|
||||
#Zezwalamy na przechwytywanie klawiszy
|
||||
pygame.event.pump()
|
||||
|
||||
##########################################
|
||||
#główna pętla
|
||||
while True:
|
||||
for event in pygame.event.get():
|
||||
#zamknięcie okna
|
||||
# print(event)
|
||||
if event.type == QUIT:
|
||||
quit()
|
||||
elif event.type == KEYDOWN:
|
||||
TRAKTOR_POZ_POLA = [int(((TRAKTOR_POZ[1]-5)/70)-1), int(((TRAKTOR_POZ[0]-5)/70)-1)]
|
||||
if functions.pressed(pygame.key.get_pressed(),TRAKTOR_POZ_POLA) == 1:
|
||||
ILE_RUCHOW+=1
|
||||
#kolor okna
|
||||
okno.fill(COL)
|
||||
#wstawienie pola
|
||||
okno.blit(pole1_surf,pole1_surf_rect)
|
||||
okno.blit(pole_surf,pole_surf_rect)
|
||||
text_value = "Ile ruchów: " + str(ILE_RUCHOW) + " Tryb: " + activity.modes[activity.activity_get_value()]
|
||||
font = pygame.font.Font('freesansbold.ttf', 24)
|
||||
text = font.render(text_value, True, (0, 0, 0), COL)
|
||||
okno.blit(text, text_rect)
|
||||
|
||||
# pole_surf.blit(images[4], (0,0))
|
||||
for i in range(0,700,70):
|
||||
for j in range(0,700,70):
|
||||
pole_surf.blit(images[POLE_STAN[int(i/70),int(j/70)]],(j,i))
|
||||
okno.blit(traktor_img, TRAKTOR_POZ)
|
||||
#aktualizacja okna i wyświetlenie
|
||||
pygame.display.update()
|
||||
@ -0,0 +1 @@
|
||||
pip
|
||||
@ -0,0 +1,56 @@
|
||||
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Name: numpy
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Summary: NumPy is the fundamental package for array computing with Python.
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910
SI_Projekt/venv/lib/python3.7/site-packages/numpy/LICENSE.txt
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Normal file
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||||
Copyright (c) 2005-2019, NumPy Developers.
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||||
All rights reserved.
|
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|
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Redistribution and use in source and binary forms, with or without
|
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* Redistributions of source code must retain the above copyright
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* Redistributions in binary form must reproduce the above
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* Neither the name of the NumPy Developers nor the names of any
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|
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----
|
||||
|
||||
This binary distribution of NumPy also bundles the following software:
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|
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|
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Name: OpenBLAS
|
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Files: .libs/libopenb*.so
|
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Description: bundled as a dynamically linked library
|
||||
Availability: https://github.com/xianyi/OpenBLAS/
|
||||
License: 3-clause BSD
|
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Copyright (c) 2011-2014, The OpenBLAS Project
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Redistribution and use in source and binary forms, with or without
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Name: LAPACK
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Files: .libs/libopenb*.so
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Description: bundled in OpenBLAS
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Availability: https://github.com/xianyi/OpenBLAS/
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License 3-clause BSD
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Additional copyrights may follow
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Redistribution and use in source and binary forms, with or without
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|
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|
||||
Name: GCC runtime library
|
||||
Files: .libs/libgfortran*.so
|
||||
Description: dynamically linked to files compiled with gcc
|
||||
Availability: https://gcc.gnu.org/viewcvs/gcc/
|
||||
License: GPLv3 + runtime exception
|
||||
Copyright (C) 2002-2017 Free Software Foundation, Inc.
|
||||
|
||||
Libgfortran is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3, or (at your option)
|
||||
any later version.
|
||||
|
||||
Libgfortran is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
Under Section 7 of GPL version 3, you are granted additional
|
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permissions described in the GCC Runtime Library Exception, version
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|
||||
|
||||
You should have received a copy of the GNU General Public License and
|
||||
a copy of the GCC Runtime Library Exception along with this program;
|
||||
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
<http://www.gnu.org/licenses/>.
|
||||
|
||||
----
|
||||
|
||||
Full text of license texts referred to above follows (that they are
|
||||
listed below does not necessarily imply the conditions apply to the
|
||||
present binary release):
|
||||
|
||||
----
|
||||
|
||||
GCC RUNTIME LIBRARY EXCEPTION
|
||||
|
||||
Version 3.1, 31 March 2009
|
||||
|
||||
Copyright (C) 2009 Free Software Foundation, Inc. <http://fsf.org/>
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|
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Everyone is permitted to copy and distribute verbatim copies of this
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|
||||
This GCC Runtime Library Exception ("Exception") is an additional
|
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|
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|
||||
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|
||||
When you use GCC to compile a program, GCC may combine portions of
|
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|
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|
||||
non-GPL (including proprietary) programs to use, in this way, the
|
||||
header files and runtime libraries covered by this Exception.
|
||||
|
||||
0. Definitions.
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|
||||
A file is an "Independent Module" if it either requires the Runtime
|
||||
Library for execution after a Compilation Process, or makes use of an
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|
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"GCC" means a version of the GNU Compiler Collection, with or without
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"GPL-compatible Software" is software whose conditions of propagation,
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|
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|
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The "Compilation Process" transforms code entirely represented in
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|
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|
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part of the Compilation Process, since the Compilation Process can be
|
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understood as starting with the output of the generators or
|
||||
preprocessors.
|
||||
|
||||
A Compilation Process is "Eligible" if it is done using GCC, alone or
|
||||
with other GPL-compatible software, or if it is done without using any
|
||||
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|
||||
optimize any GCC intermediate representations would not qualify as an
|
||||
Eligible Compilation Process.
|
||||
|
||||
1. Grant of Additional Permission.
|
||||
|
||||
You have permission to propagate a work of Target Code formed by
|
||||
combining the Runtime Library with Independent Modules, even if such
|
||||
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|
||||
all Target Code was generated by Eligible Compilation Processes. You
|
||||
may then convey such a combination under terms of your choice,
|
||||
consistent with the licensing of the Independent Modules.
|
||||
|
||||
2. No Weakening of GCC Copyleft.
|
||||
|
||||
The availability of this Exception does not imply any general
|
||||
presumption that third-party software is unaffected by the copyleft
|
||||
requirements of the license of GCC.
|
||||
|
||||
----
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 3, 29 June 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The GNU General Public License is a free, copyleft license for
|
||||
software and other kinds of works.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
When we speak of free software, we are referring to freedom, not
|
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|
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|
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|
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|
||||
To protect your rights, we need to prevent others from denying you
|
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these rights or asking you to surrender the rights. Therefore, you have
|
||||
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|
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For example, if you distribute copies of such a program, whether
|
||||
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|
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or can get the source code. And you must show them these terms so they
|
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|
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|
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Developers that use the GNU GPL protect your rights with two steps:
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||||
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|
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||||
For the developers' and authors' protection, the GPL clearly explains
|
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|
||||
Some devices are designed to deny users access to install or run
|
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|
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|
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|
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|
||||
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|
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|
||||
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|
||||
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|
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||||
Finally, every program is threatened constantly by software patents.
|
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States should not allow patents to restrict development and use of
|
||||
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|
||||
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|
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|
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|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
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|
||||
|
||||
TERMS AND CONDITIONS
|
||||
|
||||
0. Definitions.
|
||||
|
||||
"This License" refers to version 3 of the GNU General Public License.
|
||||
|
||||
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||
works, such as semiconductor masks.
|
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|
||||
"The Program" refers to any copyrightable work licensed under this
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|
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To "modify" a work means to copy from or adapt all or part of the work
|
||||
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|
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|
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|
||||
A "covered work" means either the unmodified Program or a work based
|
||||
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|
||||
|
||||
To "propagate" a work means to do anything with it that, without
|
||||
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|
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|
||||
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|
||||
|
||||
To "convey" a work means any kind of propagation that enables other
|
||||
parties to make or receive copies. Mere interaction with a user through
|
||||
a computer network, with no transfer of a copy, is not conveying.
|
||||
|
||||
An interactive user interface displays "Appropriate Legal Notices"
|
||||
to the extent that it includes a convenient and prominently visible
|
||||
feature that (1) displays an appropriate copyright notice, and (2)
|
||||
tells the user that there is no warranty for the work (except to the
|
||||
extent that warranties are provided), that licensees may convey the
|
||||
work under this License, and how to view a copy of this License. If
|
||||
the interface presents a list of user commands or options, such as a
|
||||
menu, a prominent item in the list meets this criterion.
|
||||
|
||||
1. Source Code.
|
||||
|
||||
The "source code" for a work means the preferred form of the work
|
||||
for making modifications to it. "Object code" means any non-source
|
||||
form of a work.
|
||||
|
||||
A "Standard Interface" means an interface that either is an official
|
||||
standard defined by a recognized standards body, or, in the case of
|
||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
|
||||
|
||||
The "System Libraries" of an executable work include anything, other
|
||||
than the work as a whole, that (a) is included in the normal form of
|
||||
packaging a Major Component, but which is not part of that Major
|
||||
Component, and (b) serves only to enable use of the work with that
|
||||
Major Component, or to implement a Standard Interface for which an
|
||||
implementation is available to the public in source code form. A
|
||||
"Major Component", in this context, means a major essential component
|
||||
(kernel, window system, and so on) of the specific operating system
|
||||
(if any) on which the executable work runs, or a compiler used to
|
||||
produce the work, or an object code interpreter used to run it.
|
||||
|
||||
The "Corresponding Source" for a work in object code form means all
|
||||
the source code needed to generate, install, and (for an executable
|
||||
work) run the object code and to modify the work, including scripts to
|
||||
control those activities. However, it does not include the work's
|
||||
System Libraries, or general-purpose tools or generally available free
|
||||
programs which are used unmodified in performing those activities but
|
||||
which are not part of the work. For example, Corresponding Source
|
||||
includes interface definition files associated with source files for
|
||||
the work, and the source code for shared libraries and dynamically
|
||||
linked subprograms that the work is specifically designed to require,
|
||||
such as by intimate data communication or control flow between those
|
||||
subprograms and other parts of the work.
|
||||
|
||||
The Corresponding Source need not include anything that users
|
||||
can regenerate automatically from other parts of the Corresponding
|
||||
Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that
|
||||
same work.
|
||||
|
||||
2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not
|
||||
convey, without conditions so long as your license otherwise remains
|
||||
in force. You may convey covered works to others for the sole purpose
|
||||
of having them make modifications exclusively for you, or provide you
|
||||
with facilities for running those works, provided that you comply with
|
||||
the terms of this License in conveying all material for which you do
|
||||
not control copyright. Those thus making or running the covered works
|
||||
for you must do so exclusively on your behalf, under your direction
|
||||
and control, on terms that prohibit them from making any copies of
|
||||
your copyrighted material outside their relationship with you.
|
||||
|
||||
Conveying under any other circumstances is permitted solely under
|
||||
the conditions stated below. Sublicensing is not allowed; section 10
|
||||
makes it unnecessary.
|
||||
|
||||
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such circumvention
|
||||
is effected by exercising rights under this License with respect to
|
||||
the covered work, and you disclaim any intention to limit operation or
|
||||
modification of the work as a means of enforcing, against the work's
|
||||
users, your or third parties' legal rights to forbid circumvention of
|
||||
technological measures.
|
||||
|
||||
4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
|
||||
|
||||
5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these conditions:
|
||||
|
||||
a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
|
||||
b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under section
|
||||
7. This requirement modifies the requirement in section 4 to
|
||||
"keep intact all notices".
|
||||
|
||||
c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
|
||||
d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms
|
||||
of sections 4 and 5, provided that you also convey the
|
||||
machine-readable Corresponding Source under the terms of this License,
|
||||
in one of these ways:
|
||||
|
||||
a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
|
||||
b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the
|
||||
Corresponding Source from a network server at no charge.
|
||||
|
||||
c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
|
||||
d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
|
||||
e) Convey the object code using peer-to-peer transmission, provided
|
||||
you inform other peers where the object code and Corresponding
|
||||
Source of the work are being offered to the general public at no
|
||||
charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal, family,
|
||||
or household purposes, or (2) anything designed or sold for incorporation
|
||||
into a dwelling. In determining whether a product is a consumer product,
|
||||
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||
product received by a particular user, "normally used" refers to a
|
||||
typical or common use of that class of product, regardless of the status
|
||||
of the particular user or of the way in which the particular user
|
||||
actually uses, or expects or is expected to use, the product. A product
|
||||
is a consumer product regardless of whether the product has substantial
|
||||
commercial, industrial or non-consumer uses, unless such uses represent
|
||||
the only significant mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to install
|
||||
and execute modified versions of a covered work in that User Product from
|
||||
a modified version of its Corresponding Source. The information must
|
||||
suffice to ensure that the continued functioning of the modified object
|
||||
code is in no case prevented or interfered with solely because
|
||||
modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or updates
|
||||
for a work that has been modified or installed by the recipient, or for
|
||||
the User Product in which it has been modified or installed. Access to a
|
||||
network may be denied when the modification itself materially and
|
||||
adversely affects the operation of the network or violates the rules and
|
||||
protocols for communication across the network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders of
|
||||
that material) supplement the terms of this License with terms:
|
||||
|
||||
a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
|
||||
b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
|
||||
c) Prohibiting misrepresentation of the origin of that material, or
|
||||
requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
|
||||
d) Limiting the use for publicity purposes of names of licensors or
|
||||
authors of the material; or
|
||||
|
||||
e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
|
||||
f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions of
|
||||
it) with contractual assumptions of liability to the recipient, for
|
||||
any liability that these contractual assumptions directly impose on
|
||||
those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions;
|
||||
the above requirements apply either way.
|
||||
|
||||
8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your
|
||||
license from a particular copyright holder is reinstated (a)
|
||||
provisionally, unless and until the copyright holder explicitly and
|
||||
finally terminates your license, and (b) permanently, if the copyright
|
||||
holder fails to notify you of the violation by some reasonable means
|
||||
prior to 60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or
|
||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Use with the GNU Affero General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU Affero General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the special requirements of the GNU Affero General Public License,
|
||||
section 13, concerning interaction through a network will apply to the
|
||||
combination as such.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program does terminal interaction, make it output a short
|
||||
notice like this when it starts in an interactive mode:
|
||||
|
||||
<program> Copyright (C) <year> <name of author>
|
||||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, your program's commands
|
||||
might be different; for a GUI interface, you would use an "about box".
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU GPL, see
|
||||
<http://www.gnu.org/licenses/>.
|
||||
|
||||
The GNU General Public License does not permit incorporating your program
|
||||
into proprietary programs. If your program is a subroutine library, you
|
||||
may consider it more useful to permit linking proprietary applications with
|
||||
the library. If this is what you want to do, use the GNU Lesser General
|
||||
Public License instead of this License. But first, please read
|
||||
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
|
||||
@ -0,0 +1,40 @@
|
||||
# This file is generated by numpy's setup.py
|
||||
# It contains system_info results at the time of building this package.
|
||||
__all__ = ["get_info","show"]
|
||||
|
||||
|
||||
import os
|
||||
import sys
|
||||
|
||||
extra_dll_dir = os.path.join(os.path.dirname(__file__), '.libs')
|
||||
|
||||
if sys.platform == 'win32' and os.path.isdir(extra_dll_dir):
|
||||
if sys.version_info >= (3, 8):
|
||||
os.add_dll_directory(extra_dll_dir)
|
||||
else:
|
||||
os.environ.setdefault('PATH', '')
|
||||
os.environ['PATH'] += os.pathsep + extra_dll_dir
|
||||
|
||||
blas_mkl_info={}
|
||||
blis_info={}
|
||||
openblas_info={'libraries': ['openblas', 'openblas'], 'library_dirs': ['/usr/local/lib'], 'language': 'c', 'define_macros': [('HAVE_CBLAS', None)]}
|
||||
blas_opt_info={'libraries': ['openblas', 'openblas'], 'library_dirs': ['/usr/local/lib'], 'language': 'c', 'define_macros': [('HAVE_CBLAS', None)]}
|
||||
lapack_mkl_info={}
|
||||
openblas_lapack_info={'libraries': ['openblas', 'openblas'], 'library_dirs': ['/usr/local/lib'], 'language': 'c', 'define_macros': [('HAVE_CBLAS', None)]}
|
||||
lapack_opt_info={'libraries': ['openblas', 'openblas'], 'library_dirs': ['/usr/local/lib'], 'language': 'c', 'define_macros': [('HAVE_CBLAS', None)]}
|
||||
|
||||
def get_info(name):
|
||||
g = globals()
|
||||
return g.get(name, g.get(name + "_info", {}))
|
||||
|
||||
def show():
|
||||
for name,info_dict in globals().items():
|
||||
if name[0] == "_" or type(info_dict) is not type({}): continue
|
||||
print(name + ":")
|
||||
if not info_dict:
|
||||
print(" NOT AVAILABLE")
|
||||
for k,v in info_dict.items():
|
||||
v = str(v)
|
||||
if k == "sources" and len(v) > 200:
|
||||
v = v[:60] + " ...\n... " + v[-60:]
|
||||
print(" %s = %s" % (k,v))
|
||||
260
SI_Projekt/venv/lib/python3.7/site-packages/numpy/__init__.py
Normal file
260
SI_Projekt/venv/lib/python3.7/site-packages/numpy/__init__.py
Normal file
@ -0,0 +1,260 @@
|
||||
"""
|
||||
NumPy
|
||||
=====
|
||||
|
||||
Provides
|
||||
1. An array object of arbitrary homogeneous items
|
||||
2. Fast mathematical operations over arrays
|
||||
3. Linear Algebra, Fourier Transforms, Random Number Generation
|
||||
|
||||
How to use the documentation
|
||||
----------------------------
|
||||
Documentation is available in two forms: docstrings provided
|
||||
with the code, and a loose standing reference guide, available from
|
||||
`the NumPy homepage <https://www.scipy.org>`_.
|
||||
|
||||
We recommend exploring the docstrings using
|
||||
`IPython <https://ipython.org>`_, an advanced Python shell with
|
||||
TAB-completion and introspection capabilities. See below for further
|
||||
instructions.
|
||||
|
||||
The docstring examples assume that `numpy` has been imported as `np`::
|
||||
|
||||
>>> import numpy as np
|
||||
|
||||
Code snippets are indicated by three greater-than signs::
|
||||
|
||||
>>> x = 42
|
||||
>>> x = x + 1
|
||||
|
||||
Use the built-in ``help`` function to view a function's docstring::
|
||||
|
||||
>>> help(np.sort)
|
||||
... # doctest: +SKIP
|
||||
|
||||
For some objects, ``np.info(obj)`` may provide additional help. This is
|
||||
particularly true if you see the line "Help on ufunc object:" at the top
|
||||
of the help() page. Ufuncs are implemented in C, not Python, for speed.
|
||||
The native Python help() does not know how to view their help, but our
|
||||
np.info() function does.
|
||||
|
||||
To search for documents containing a keyword, do::
|
||||
|
||||
>>> np.lookfor('keyword')
|
||||
... # doctest: +SKIP
|
||||
|
||||
General-purpose documents like a glossary and help on the basic concepts
|
||||
of numpy are available under the ``doc`` sub-module::
|
||||
|
||||
>>> from numpy import doc
|
||||
>>> help(doc)
|
||||
... # doctest: +SKIP
|
||||
|
||||
Available subpackages
|
||||
---------------------
|
||||
doc
|
||||
Topical documentation on broadcasting, indexing, etc.
|
||||
lib
|
||||
Basic functions used by several sub-packages.
|
||||
random
|
||||
Core Random Tools
|
||||
linalg
|
||||
Core Linear Algebra Tools
|
||||
fft
|
||||
Core FFT routines
|
||||
polynomial
|
||||
Polynomial tools
|
||||
testing
|
||||
NumPy testing tools
|
||||
f2py
|
||||
Fortran to Python Interface Generator.
|
||||
distutils
|
||||
Enhancements to distutils with support for
|
||||
Fortran compilers support and more.
|
||||
|
||||
Utilities
|
||||
---------
|
||||
test
|
||||
Run numpy unittests
|
||||
show_config
|
||||
Show numpy build configuration
|
||||
dual
|
||||
Overwrite certain functions with high-performance Scipy tools
|
||||
matlib
|
||||
Make everything matrices.
|
||||
__version__
|
||||
NumPy version string
|
||||
|
||||
Viewing documentation using IPython
|
||||
-----------------------------------
|
||||
Start IPython with the NumPy profile (``ipython -p numpy``), which will
|
||||
import `numpy` under the alias `np`. Then, use the ``cpaste`` command to
|
||||
paste examples into the shell. To see which functions are available in
|
||||
`numpy`, type ``np.<TAB>`` (where ``<TAB>`` refers to the TAB key), or use
|
||||
``np.*cos*?<ENTER>`` (where ``<ENTER>`` refers to the ENTER key) to narrow
|
||||
down the list. To view the docstring for a function, use
|
||||
``np.cos?<ENTER>`` (to view the docstring) and ``np.cos??<ENTER>`` (to view
|
||||
the source code).
|
||||
|
||||
Copies vs. in-place operation
|
||||
-----------------------------
|
||||
Most of the functions in `numpy` return a copy of the array argument
|
||||
(e.g., `np.sort`). In-place versions of these functions are often
|
||||
available as array methods, i.e. ``x = np.array([1,2,3]); x.sort()``.
|
||||
Exceptions to this rule are documented.
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import sys
|
||||
import warnings
|
||||
|
||||
from ._globals import ModuleDeprecationWarning, VisibleDeprecationWarning
|
||||
from ._globals import _NoValue
|
||||
|
||||
# We first need to detect if we're being called as part of the numpy setup
|
||||
# procedure itself in a reliable manner.
|
||||
try:
|
||||
__NUMPY_SETUP__
|
||||
except NameError:
|
||||
__NUMPY_SETUP__ = False
|
||||
|
||||
if __NUMPY_SETUP__:
|
||||
sys.stderr.write('Running from numpy source directory.\n')
|
||||
else:
|
||||
try:
|
||||
from numpy.__config__ import show as show_config
|
||||
except ImportError:
|
||||
msg = """Error importing numpy: you should not try to import numpy from
|
||||
its source directory; please exit the numpy source tree, and relaunch
|
||||
your python interpreter from there."""
|
||||
raise ImportError(msg)
|
||||
|
||||
from .version import git_revision as __git_revision__
|
||||
from .version import version as __version__
|
||||
|
||||
__all__ = ['ModuleDeprecationWarning',
|
||||
'VisibleDeprecationWarning']
|
||||
|
||||
# Allow distributors to run custom init code
|
||||
from . import _distributor_init
|
||||
|
||||
from . import core
|
||||
from .core import *
|
||||
from . import compat
|
||||
from . import lib
|
||||
# FIXME: why have numpy.lib if everything is imported here??
|
||||
from .lib import *
|
||||
|
||||
from . import linalg
|
||||
from . import fft
|
||||
from . import polynomial
|
||||
from . import random
|
||||
from . import ctypeslib
|
||||
from . import ma
|
||||
from . import matrixlib as _mat
|
||||
from .matrixlib import *
|
||||
from .compat import long
|
||||
|
||||
# Make these accessible from numpy name-space
|
||||
# but not imported in from numpy import *
|
||||
# TODO[gh-6103]: Deprecate these
|
||||
if sys.version_info[0] >= 3:
|
||||
from builtins import bool, int, float, complex, object, str
|
||||
unicode = str
|
||||
else:
|
||||
from __builtin__ import bool, int, float, complex, object, unicode, str
|
||||
|
||||
from .core import round, abs, max, min
|
||||
# now that numpy modules are imported, can initialize limits
|
||||
core.getlimits._register_known_types()
|
||||
|
||||
__all__.extend(['__version__', 'show_config'])
|
||||
__all__.extend(core.__all__)
|
||||
__all__.extend(_mat.__all__)
|
||||
__all__.extend(lib.__all__)
|
||||
__all__.extend(['linalg', 'fft', 'random', 'ctypeslib', 'ma'])
|
||||
|
||||
# These are added by `from .core import *` and `core.__all__`, but we
|
||||
# overwrite them above with builtins we do _not_ want to export.
|
||||
__all__.remove('long')
|
||||
__all__.remove('unicode')
|
||||
|
||||
# Remove things that are in the numpy.lib but not in the numpy namespace
|
||||
# Note that there is a test (numpy/tests/test_public_api.py:test_numpy_namespace)
|
||||
# that prevents adding more things to the main namespace by accident.
|
||||
# The list below will grow until the `from .lib import *` fixme above is
|
||||
# taken care of
|
||||
__all__.remove('Arrayterator')
|
||||
del Arrayterator
|
||||
|
||||
# Filter out Cython harmless warnings
|
||||
warnings.filterwarnings("ignore", message="numpy.dtype size changed")
|
||||
warnings.filterwarnings("ignore", message="numpy.ufunc size changed")
|
||||
warnings.filterwarnings("ignore", message="numpy.ndarray size changed")
|
||||
|
||||
# oldnumeric and numarray were removed in 1.9. In case some packages import
|
||||
# but do not use them, we define them here for backward compatibility.
|
||||
oldnumeric = 'removed'
|
||||
numarray = 'removed'
|
||||
|
||||
if sys.version_info[:2] >= (3, 7):
|
||||
# Importing Tester requires importing all of UnitTest which is not a
|
||||
# cheap import Since it is mainly used in test suits, we lazy import it
|
||||
# here to save on the order of 10 ms of import time for most users
|
||||
#
|
||||
# The previous way Tester was imported also had a side effect of adding
|
||||
# the full `numpy.testing` namespace
|
||||
#
|
||||
# module level getattr is only supported in 3.7 onwards
|
||||
# https://www.python.org/dev/peps/pep-0562/
|
||||
def __getattr__(attr):
|
||||
if attr == 'testing':
|
||||
import numpy.testing as testing
|
||||
return testing
|
||||
elif attr == 'Tester':
|
||||
from .testing import Tester
|
||||
return Tester
|
||||
else:
|
||||
raise AttributeError("module {!r} has no attribute "
|
||||
"{!r}".format(__name__, attr))
|
||||
|
||||
def __dir__():
|
||||
return list(globals().keys()) + ['Tester', 'testing']
|
||||
|
||||
else:
|
||||
# We don't actually use this ourselves anymore, but I'm not 100% sure that
|
||||
# no-one else in the world is using it (though I hope not)
|
||||
from .testing import Tester
|
||||
|
||||
# Pytest testing
|
||||
from numpy._pytesttester import PytestTester
|
||||
test = PytestTester(__name__)
|
||||
del PytestTester
|
||||
|
||||
|
||||
def _sanity_check():
|
||||
"""
|
||||
Quick sanity checks for common bugs caused by environment.
|
||||
There are some cases e.g. with wrong BLAS ABI that cause wrong
|
||||
results under specific runtime conditions that are not necessarily
|
||||
achieved during test suite runs, and it is useful to catch those early.
|
||||
|
||||
See https://github.com/numpy/numpy/issues/8577 and other
|
||||
similar bug reports.
|
||||
|
||||
"""
|
||||
try:
|
||||
x = ones(2, dtype=float32)
|
||||
if not abs(x.dot(x) - 2.0) < 1e-5:
|
||||
raise AssertionError()
|
||||
except AssertionError:
|
||||
msg = ("The current Numpy installation ({!r}) fails to "
|
||||
"pass simple sanity checks. This can be caused for example "
|
||||
"by incorrect BLAS library being linked in, or by mixing "
|
||||
"package managers (pip, conda, apt, ...). Search closed "
|
||||
"numpy issues for similar problems.")
|
||||
raise RuntimeError(msg.format(__file__))
|
||||
|
||||
_sanity_check()
|
||||
del _sanity_check
|
||||
@ -0,0 +1,10 @@
|
||||
""" Distributor init file
|
||||
|
||||
Distributors: you can add custom code here to support particular distributions
|
||||
of numpy.
|
||||
|
||||
For example, this is a good place to put any checks for hardware requirements.
|
||||
|
||||
The numpy standard source distribution will not put code in this file, so you
|
||||
can safely replace this file with your own version.
|
||||
"""
|
||||
@ -0,0 +1,81 @@
|
||||
"""
|
||||
Module defining global singleton classes.
|
||||
|
||||
This module raises a RuntimeError if an attempt to reload it is made. In that
|
||||
way the identities of the classes defined here are fixed and will remain so
|
||||
even if numpy itself is reloaded. In particular, a function like the following
|
||||
will still work correctly after numpy is reloaded::
|
||||
|
||||
def foo(arg=np._NoValue):
|
||||
if arg is np._NoValue:
|
||||
...
|
||||
|
||||
That was not the case when the singleton classes were defined in the numpy
|
||||
``__init__.py`` file. See gh-7844 for a discussion of the reload problem that
|
||||
motivated this module.
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
__ALL__ = [
|
||||
'ModuleDeprecationWarning', 'VisibleDeprecationWarning', '_NoValue'
|
||||
]
|
||||
|
||||
|
||||
# Disallow reloading this module so as to preserve the identities of the
|
||||
# classes defined here.
|
||||
if '_is_loaded' in globals():
|
||||
raise RuntimeError('Reloading numpy._globals is not allowed')
|
||||
_is_loaded = True
|
||||
|
||||
|
||||
class ModuleDeprecationWarning(DeprecationWarning):
|
||||
"""Module deprecation warning.
|
||||
|
||||
The nose tester turns ordinary Deprecation warnings into test failures.
|
||||
That makes it hard to deprecate whole modules, because they get
|
||||
imported by default. So this is a special Deprecation warning that the
|
||||
nose tester will let pass without making tests fail.
|
||||
|
||||
"""
|
||||
|
||||
|
||||
ModuleDeprecationWarning.__module__ = 'numpy'
|
||||
|
||||
|
||||
class VisibleDeprecationWarning(UserWarning):
|
||||
"""Visible deprecation warning.
|
||||
|
||||
By default, python will not show deprecation warnings, so this class
|
||||
can be used when a very visible warning is helpful, for example because
|
||||
the usage is most likely a user bug.
|
||||
|
||||
"""
|
||||
|
||||
|
||||
VisibleDeprecationWarning.__module__ = 'numpy'
|
||||
|
||||
|
||||
class _NoValueType(object):
|
||||
"""Special keyword value.
|
||||
|
||||
The instance of this class may be used as the default value assigned to a
|
||||
deprecated keyword in order to check if it has been given a user defined
|
||||
value.
|
||||
"""
|
||||
__instance = None
|
||||
def __new__(cls):
|
||||
# ensure that only one instance exists
|
||||
if not cls.__instance:
|
||||
cls.__instance = super(_NoValueType, cls).__new__(cls)
|
||||
return cls.__instance
|
||||
|
||||
# needed for python 2 to preserve identity through a pickle
|
||||
def __reduce__(self):
|
||||
return (self.__class__, ())
|
||||
|
||||
def __repr__(self):
|
||||
return "<no value>"
|
||||
|
||||
|
||||
_NoValue = _NoValueType()
|
||||
@ -0,0 +1,214 @@
|
||||
"""
|
||||
Pytest test running.
|
||||
|
||||
This module implements the ``test()`` function for NumPy modules. The usual
|
||||
boiler plate for doing that is to put the following in the module
|
||||
``__init__.py`` file::
|
||||
|
||||
from numpy._pytesttester import PytestTester
|
||||
test = PytestTester(__name__).test
|
||||
del PytestTester
|
||||
|
||||
|
||||
Warnings filtering and other runtime settings should be dealt with in the
|
||||
``pytest.ini`` file in the numpy repo root. The behavior of the test depends on
|
||||
whether or not that file is found as follows:
|
||||
|
||||
* ``pytest.ini`` is present (develop mode)
|
||||
All warnings except those explicily filtered out are raised as error.
|
||||
* ``pytest.ini`` is absent (release mode)
|
||||
DeprecationWarnings and PendingDeprecationWarnings are ignored, other
|
||||
warnings are passed through.
|
||||
|
||||
In practice, tests run from the numpy repo are run in develop mode. That
|
||||
includes the standard ``python runtests.py`` invocation.
|
||||
|
||||
This module is imported by every numpy subpackage, so lies at the top level to
|
||||
simplify circular import issues. For the same reason, it contains no numpy
|
||||
imports at module scope, instead importing numpy within function calls.
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import sys
|
||||
import os
|
||||
|
||||
__all__ = ['PytestTester']
|
||||
|
||||
|
||||
|
||||
def _show_numpy_info():
|
||||
import numpy as np
|
||||
|
||||
print("NumPy version %s" % np.__version__)
|
||||
relaxed_strides = np.ones((10, 1), order="C").flags.f_contiguous
|
||||
print("NumPy relaxed strides checking option:", relaxed_strides)
|
||||
|
||||
|
||||
class PytestTester(object):
|
||||
"""
|
||||
Pytest test runner.
|
||||
|
||||
A test function is typically added to a package's __init__.py like so::
|
||||
|
||||
from numpy._pytesttester import PytestTester
|
||||
test = PytestTester(__name__).test
|
||||
del PytestTester
|
||||
|
||||
Calling this test function finds and runs all tests associated with the
|
||||
module and all its sub-modules.
|
||||
|
||||
Attributes
|
||||
----------
|
||||
module_name : str
|
||||
Full path to the package to test.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
module_name : module name
|
||||
The name of the module to test.
|
||||
|
||||
Notes
|
||||
-----
|
||||
Unlike the previous ``nose``-based implementation, this class is not
|
||||
publicly exposed as it performs some ``numpy``-specific warning
|
||||
suppression.
|
||||
|
||||
"""
|
||||
def __init__(self, module_name):
|
||||
self.module_name = module_name
|
||||
|
||||
def __call__(self, label='fast', verbose=1, extra_argv=None,
|
||||
doctests=False, coverage=False, durations=-1, tests=None):
|
||||
"""
|
||||
Run tests for module using pytest.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
label : {'fast', 'full'}, optional
|
||||
Identifies the tests to run. When set to 'fast', tests decorated
|
||||
with `pytest.mark.slow` are skipped, when 'full', the slow marker
|
||||
is ignored.
|
||||
verbose : int, optional
|
||||
Verbosity value for test outputs, in the range 1-3. Default is 1.
|
||||
extra_argv : list, optional
|
||||
List with any extra arguments to pass to pytests.
|
||||
doctests : bool, optional
|
||||
.. note:: Not supported
|
||||
coverage : bool, optional
|
||||
If True, report coverage of NumPy code. Default is False.
|
||||
Requires installation of (pip) pytest-cov.
|
||||
durations : int, optional
|
||||
If < 0, do nothing, If 0, report time of all tests, if > 0,
|
||||
report the time of the slowest `timer` tests. Default is -1.
|
||||
tests : test or list of tests
|
||||
Tests to be executed with pytest '--pyargs'
|
||||
|
||||
Returns
|
||||
-------
|
||||
result : bool
|
||||
Return True on success, false otherwise.
|
||||
|
||||
Notes
|
||||
-----
|
||||
Each NumPy module exposes `test` in its namespace to run all tests for
|
||||
it. For example, to run all tests for numpy.lib:
|
||||
|
||||
>>> np.lib.test() #doctest: +SKIP
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> result = np.lib.test() #doctest: +SKIP
|
||||
...
|
||||
1023 passed, 2 skipped, 6 deselected, 1 xfailed in 10.39 seconds
|
||||
>>> result
|
||||
True
|
||||
|
||||
"""
|
||||
import pytest
|
||||
import warnings
|
||||
|
||||
#FIXME This is no longer needed? Assume it was for use in tests.
|
||||
# cap verbosity at 3, which is equivalent to the pytest '-vv' option
|
||||
#from . import utils
|
||||
#verbose = min(int(verbose), 3)
|
||||
#utils.verbose = verbose
|
||||
#
|
||||
|
||||
module = sys.modules[self.module_name]
|
||||
module_path = os.path.abspath(module.__path__[0])
|
||||
|
||||
# setup the pytest arguments
|
||||
pytest_args = ["-l"]
|
||||
|
||||
# offset verbosity. The "-q" cancels a "-v".
|
||||
pytest_args += ["-q"]
|
||||
|
||||
# Filter out distutils cpu warnings (could be localized to
|
||||
# distutils tests). ASV has problems with top level import,
|
||||
# so fetch module for suppression here.
|
||||
with warnings.catch_warnings():
|
||||
warnings.simplefilter("always")
|
||||
from numpy.distutils import cpuinfo
|
||||
|
||||
# Filter out annoying import messages. Want these in both develop and
|
||||
# release mode.
|
||||
pytest_args += [
|
||||
"-W ignore:Not importing directory",
|
||||
"-W ignore:numpy.dtype size changed",
|
||||
"-W ignore:numpy.ufunc size changed",
|
||||
"-W ignore::UserWarning:cpuinfo",
|
||||
]
|
||||
|
||||
# When testing matrices, ignore their PendingDeprecationWarnings
|
||||
pytest_args += [
|
||||
"-W ignore:the matrix subclass is not",
|
||||
]
|
||||
|
||||
# Ignore python2.7 -3 warnings
|
||||
pytest_args += [
|
||||
r"-W ignore:sys\.exc_clear\(\) not supported in 3\.x:DeprecationWarning",
|
||||
r"-W ignore:in 3\.x, __setslice__:DeprecationWarning",
|
||||
r"-W ignore:in 3\.x, __getslice__:DeprecationWarning",
|
||||
r"-W ignore:buffer\(\) not supported in 3\.x:DeprecationWarning",
|
||||
r"-W ignore:CObject type is not supported in 3\.x:DeprecationWarning",
|
||||
r"-W ignore:comparing unequal types not supported in 3\.x:DeprecationWarning",
|
||||
r"-W ignore:the commands module has been removed in Python 3\.0:DeprecationWarning",
|
||||
r"-W ignore:The 'new' module has been removed in Python 3\.0:DeprecationWarning",
|
||||
]
|
||||
|
||||
|
||||
if doctests:
|
||||
raise ValueError("Doctests not supported")
|
||||
|
||||
if extra_argv:
|
||||
pytest_args += list(extra_argv)
|
||||
|
||||
if verbose > 1:
|
||||
pytest_args += ["-" + "v"*(verbose - 1)]
|
||||
|
||||
if coverage:
|
||||
pytest_args += ["--cov=" + module_path]
|
||||
|
||||
if label == "fast":
|
||||
pytest_args += ["-m", "not slow"]
|
||||
elif label != "full":
|
||||
pytest_args += ["-m", label]
|
||||
|
||||
if durations >= 0:
|
||||
pytest_args += ["--durations=%s" % durations]
|
||||
|
||||
if tests is None:
|
||||
tests = [self.module_name]
|
||||
|
||||
pytest_args += ["--pyargs"] + list(tests)
|
||||
|
||||
|
||||
# run tests.
|
||||
_show_numpy_info()
|
||||
|
||||
try:
|
||||
code = pytest.main(pytest_args)
|
||||
except SystemExit as exc:
|
||||
code = exc.code
|
||||
|
||||
return code == 0
|
||||
@ -0,0 +1,20 @@
|
||||
"""
|
||||
Compatibility module.
|
||||
|
||||
This module contains duplicated code from Python itself or 3rd party
|
||||
extensions, which may be included for the following reasons:
|
||||
|
||||
* compatibility
|
||||
* we may only need a small subset of the copied library/module
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
from . import _inspect
|
||||
from . import py3k
|
||||
from ._inspect import getargspec, formatargspec
|
||||
from .py3k import *
|
||||
|
||||
__all__ = []
|
||||
__all__.extend(_inspect.__all__)
|
||||
__all__.extend(py3k.__all__)
|
||||
@ -0,0 +1,193 @@
|
||||
"""Subset of inspect module from upstream python
|
||||
|
||||
We use this instead of upstream because upstream inspect is slow to import, and
|
||||
significantly contributes to numpy import times. Importing this copy has almost
|
||||
no overhead.
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import types
|
||||
|
||||
__all__ = ['getargspec', 'formatargspec']
|
||||
|
||||
# ----------------------------------------------------------- type-checking
|
||||
def ismethod(object):
|
||||
"""Return true if the object is an instance method.
|
||||
|
||||
Instance method objects provide these attributes:
|
||||
__doc__ documentation string
|
||||
__name__ name with which this method was defined
|
||||
im_class class object in which this method belongs
|
||||
im_func function object containing implementation of method
|
||||
im_self instance to which this method is bound, or None
|
||||
|
||||
"""
|
||||
return isinstance(object, types.MethodType)
|
||||
|
||||
def isfunction(object):
|
||||
"""Return true if the object is a user-defined function.
|
||||
|
||||
Function objects provide these attributes:
|
||||
__doc__ documentation string
|
||||
__name__ name with which this function was defined
|
||||
func_code code object containing compiled function bytecode
|
||||
func_defaults tuple of any default values for arguments
|
||||
func_doc (same as __doc__)
|
||||
func_globals global namespace in which this function was defined
|
||||
func_name (same as __name__)
|
||||
|
||||
"""
|
||||
return isinstance(object, types.FunctionType)
|
||||
|
||||
def iscode(object):
|
||||
"""Return true if the object is a code object.
|
||||
|
||||
Code objects provide these attributes:
|
||||
co_argcount number of arguments (not including * or ** args)
|
||||
co_code string of raw compiled bytecode
|
||||
co_consts tuple of constants used in the bytecode
|
||||
co_filename name of file in which this code object was created
|
||||
co_firstlineno number of first line in Python source code
|
||||
co_flags bitmap: 1=optimized | 2=newlocals | 4=*arg | 8=**arg
|
||||
co_lnotab encoded mapping of line numbers to bytecode indices
|
||||
co_name name with which this code object was defined
|
||||
co_names tuple of names of local variables
|
||||
co_nlocals number of local variables
|
||||
co_stacksize virtual machine stack space required
|
||||
co_varnames tuple of names of arguments and local variables
|
||||
|
||||
"""
|
||||
return isinstance(object, types.CodeType)
|
||||
|
||||
# ------------------------------------------------ argument list extraction
|
||||
# These constants are from Python's compile.h.
|
||||
CO_OPTIMIZED, CO_NEWLOCALS, CO_VARARGS, CO_VARKEYWORDS = 1, 2, 4, 8
|
||||
|
||||
def getargs(co):
|
||||
"""Get information about the arguments accepted by a code object.
|
||||
|
||||
Three things are returned: (args, varargs, varkw), where 'args' is
|
||||
a list of argument names (possibly containing nested lists), and
|
||||
'varargs' and 'varkw' are the names of the * and ** arguments or None.
|
||||
|
||||
"""
|
||||
|
||||
if not iscode(co):
|
||||
raise TypeError('arg is not a code object')
|
||||
|
||||
nargs = co.co_argcount
|
||||
names = co.co_varnames
|
||||
args = list(names[:nargs])
|
||||
|
||||
# The following acrobatics are for anonymous (tuple) arguments.
|
||||
# Which we do not need to support, so remove to avoid importing
|
||||
# the dis module.
|
||||
for i in range(nargs):
|
||||
if args[i][:1] in ['', '.']:
|
||||
raise TypeError("tuple function arguments are not supported")
|
||||
varargs = None
|
||||
if co.co_flags & CO_VARARGS:
|
||||
varargs = co.co_varnames[nargs]
|
||||
nargs = nargs + 1
|
||||
varkw = None
|
||||
if co.co_flags & CO_VARKEYWORDS:
|
||||
varkw = co.co_varnames[nargs]
|
||||
return args, varargs, varkw
|
||||
|
||||
def getargspec(func):
|
||||
"""Get the names and default values of a function's arguments.
|
||||
|
||||
A tuple of four things is returned: (args, varargs, varkw, defaults).
|
||||
'args' is a list of the argument names (it may contain nested lists).
|
||||
'varargs' and 'varkw' are the names of the * and ** arguments or None.
|
||||
'defaults' is an n-tuple of the default values of the last n arguments.
|
||||
|
||||
"""
|
||||
|
||||
if ismethod(func):
|
||||
func = func.__func__
|
||||
if not isfunction(func):
|
||||
raise TypeError('arg is not a Python function')
|
||||
args, varargs, varkw = getargs(func.__code__)
|
||||
return args, varargs, varkw, func.__defaults__
|
||||
|
||||
def getargvalues(frame):
|
||||
"""Get information about arguments passed into a particular frame.
|
||||
|
||||
A tuple of four things is returned: (args, varargs, varkw, locals).
|
||||
'args' is a list of the argument names (it may contain nested lists).
|
||||
'varargs' and 'varkw' are the names of the * and ** arguments or None.
|
||||
'locals' is the locals dictionary of the given frame.
|
||||
|
||||
"""
|
||||
args, varargs, varkw = getargs(frame.f_code)
|
||||
return args, varargs, varkw, frame.f_locals
|
||||
|
||||
def joinseq(seq):
|
||||
if len(seq) == 1:
|
||||
return '(' + seq[0] + ',)'
|
||||
else:
|
||||
return '(' + ', '.join(seq) + ')'
|
||||
|
||||
def strseq(object, convert, join=joinseq):
|
||||
"""Recursively walk a sequence, stringifying each element.
|
||||
|
||||
"""
|
||||
if type(object) in [list, tuple]:
|
||||
return join([strseq(_o, convert, join) for _o in object])
|
||||
else:
|
||||
return convert(object)
|
||||
|
||||
def formatargspec(args, varargs=None, varkw=None, defaults=None,
|
||||
formatarg=str,
|
||||
formatvarargs=lambda name: '*' + name,
|
||||
formatvarkw=lambda name: '**' + name,
|
||||
formatvalue=lambda value: '=' + repr(value),
|
||||
join=joinseq):
|
||||
"""Format an argument spec from the 4 values returned by getargspec.
|
||||
|
||||
The first four arguments are (args, varargs, varkw, defaults). The
|
||||
other four arguments are the corresponding optional formatting functions
|
||||
that are called to turn names and values into strings. The ninth
|
||||
argument is an optional function to format the sequence of arguments.
|
||||
|
||||
"""
|
||||
specs = []
|
||||
if defaults:
|
||||
firstdefault = len(args) - len(defaults)
|
||||
for i in range(len(args)):
|
||||
spec = strseq(args[i], formatarg, join)
|
||||
if defaults and i >= firstdefault:
|
||||
spec = spec + formatvalue(defaults[i - firstdefault])
|
||||
specs.append(spec)
|
||||
if varargs is not None:
|
||||
specs.append(formatvarargs(varargs))
|
||||
if varkw is not None:
|
||||
specs.append(formatvarkw(varkw))
|
||||
return '(' + ', '.join(specs) + ')'
|
||||
|
||||
def formatargvalues(args, varargs, varkw, locals,
|
||||
formatarg=str,
|
||||
formatvarargs=lambda name: '*' + name,
|
||||
formatvarkw=lambda name: '**' + name,
|
||||
formatvalue=lambda value: '=' + repr(value),
|
||||
join=joinseq):
|
||||
"""Format an argument spec from the 4 values returned by getargvalues.
|
||||
|
||||
The first four arguments are (args, varargs, varkw, locals). The
|
||||
next four arguments are the corresponding optional formatting functions
|
||||
that are called to turn names and values into strings. The ninth
|
||||
argument is an optional function to format the sequence of arguments.
|
||||
|
||||
"""
|
||||
def convert(name, locals=locals,
|
||||
formatarg=formatarg, formatvalue=formatvalue):
|
||||
return formatarg(name) + formatvalue(locals[name])
|
||||
specs = [strseq(arg, convert, join) for arg in args]
|
||||
|
||||
if varargs:
|
||||
specs.append(formatvarargs(varargs) + formatvalue(locals[varargs]))
|
||||
if varkw:
|
||||
specs.append(formatvarkw(varkw) + formatvalue(locals[varkw]))
|
||||
return '(' + ', '.join(specs) + ')'
|
||||
253
SI_Projekt/venv/lib/python3.7/site-packages/numpy/compat/py3k.py
Normal file
253
SI_Projekt/venv/lib/python3.7/site-packages/numpy/compat/py3k.py
Normal file
@ -0,0 +1,253 @@
|
||||
"""
|
||||
Python 3.X compatibility tools.
|
||||
|
||||
While this file was originally intented for Python 2 -> 3 transition,
|
||||
it is now used to create a compatibility layer between different
|
||||
minor versions of Python 3.
|
||||
|
||||
While the active version of numpy may not support a given version of python, we
|
||||
allow downstream libraries to continue to use these shims for forward
|
||||
compatibility with numpy while they transition their code to newer versions of
|
||||
Python.
|
||||
"""
|
||||
__all__ = ['bytes', 'asbytes', 'isfileobj', 'getexception', 'strchar',
|
||||
'unicode', 'asunicode', 'asbytes_nested', 'asunicode_nested',
|
||||
'asstr', 'open_latin1', 'long', 'basestring', 'sixu',
|
||||
'integer_types', 'is_pathlib_path', 'npy_load_module', 'Path',
|
||||
'pickle', 'contextlib_nullcontext', 'os_fspath', 'os_PathLike']
|
||||
|
||||
import sys
|
||||
import os
|
||||
try:
|
||||
from pathlib import Path, PurePath
|
||||
except ImportError:
|
||||
Path = PurePath = None
|
||||
|
||||
if sys.version_info[0] >= 3:
|
||||
import io
|
||||
|
||||
try:
|
||||
import pickle5 as pickle
|
||||
except ImportError:
|
||||
import pickle
|
||||
|
||||
long = int
|
||||
integer_types = (int,)
|
||||
basestring = str
|
||||
unicode = str
|
||||
bytes = bytes
|
||||
|
||||
def asunicode(s):
|
||||
if isinstance(s, bytes):
|
||||
return s.decode('latin1')
|
||||
return str(s)
|
||||
|
||||
def asbytes(s):
|
||||
if isinstance(s, bytes):
|
||||
return s
|
||||
return str(s).encode('latin1')
|
||||
|
||||
def asstr(s):
|
||||
if isinstance(s, bytes):
|
||||
return s.decode('latin1')
|
||||
return str(s)
|
||||
|
||||
def isfileobj(f):
|
||||
return isinstance(f, (io.FileIO, io.BufferedReader, io.BufferedWriter))
|
||||
|
||||
def open_latin1(filename, mode='r'):
|
||||
return open(filename, mode=mode, encoding='iso-8859-1')
|
||||
|
||||
def sixu(s):
|
||||
return s
|
||||
|
||||
strchar = 'U'
|
||||
|
||||
else:
|
||||
import cpickle as pickle
|
||||
|
||||
bytes = str
|
||||
long = long
|
||||
basestring = basestring
|
||||
unicode = unicode
|
||||
integer_types = (int, long)
|
||||
asbytes = str
|
||||
asstr = str
|
||||
strchar = 'S'
|
||||
|
||||
def isfileobj(f):
|
||||
return isinstance(f, file)
|
||||
|
||||
def asunicode(s):
|
||||
if isinstance(s, unicode):
|
||||
return s
|
||||
return str(s).decode('ascii')
|
||||
|
||||
def open_latin1(filename, mode='r'):
|
||||
return open(filename, mode=mode)
|
||||
|
||||
def sixu(s):
|
||||
return unicode(s, 'unicode_escape')
|
||||
|
||||
def getexception():
|
||||
return sys.exc_info()[1]
|
||||
|
||||
def asbytes_nested(x):
|
||||
if hasattr(x, '__iter__') and not isinstance(x, (bytes, unicode)):
|
||||
return [asbytes_nested(y) for y in x]
|
||||
else:
|
||||
return asbytes(x)
|
||||
|
||||
def asunicode_nested(x):
|
||||
if hasattr(x, '__iter__') and not isinstance(x, (bytes, unicode)):
|
||||
return [asunicode_nested(y) for y in x]
|
||||
else:
|
||||
return asunicode(x)
|
||||
|
||||
def is_pathlib_path(obj):
|
||||
"""
|
||||
Check whether obj is a pathlib.Path object.
|
||||
|
||||
Prefer using `isinstance(obj, os_PathLike)` instead of this function.
|
||||
"""
|
||||
return Path is not None and isinstance(obj, Path)
|
||||
|
||||
# from Python 3.7
|
||||
class contextlib_nullcontext(object):
|
||||
"""Context manager that does no additional processing.
|
||||
|
||||
Used as a stand-in for a normal context manager, when a particular
|
||||
block of code is only sometimes used with a normal context manager:
|
||||
|
||||
cm = optional_cm if condition else nullcontext()
|
||||
with cm:
|
||||
# Perform operation, using optional_cm if condition is True
|
||||
"""
|
||||
|
||||
def __init__(self, enter_result=None):
|
||||
self.enter_result = enter_result
|
||||
|
||||
def __enter__(self):
|
||||
return self.enter_result
|
||||
|
||||
def __exit__(self, *excinfo):
|
||||
pass
|
||||
|
||||
|
||||
if sys.version_info[0] >= 3 and sys.version_info[1] >= 4:
|
||||
def npy_load_module(name, fn, info=None):
|
||||
"""
|
||||
Load a module.
|
||||
|
||||
.. versionadded:: 1.11.2
|
||||
|
||||
Parameters
|
||||
----------
|
||||
name : str
|
||||
Full module name.
|
||||
fn : str
|
||||
Path to module file.
|
||||
info : tuple, optional
|
||||
Only here for backward compatibility with Python 2.*.
|
||||
|
||||
Returns
|
||||
-------
|
||||
mod : module
|
||||
|
||||
"""
|
||||
import importlib.machinery
|
||||
return importlib.machinery.SourceFileLoader(name, fn).load_module()
|
||||
else:
|
||||
def npy_load_module(name, fn, info=None):
|
||||
"""
|
||||
Load a module.
|
||||
|
||||
.. versionadded:: 1.11.2
|
||||
|
||||
Parameters
|
||||
----------
|
||||
name : str
|
||||
Full module name.
|
||||
fn : str
|
||||
Path to module file.
|
||||
info : tuple, optional
|
||||
Information as returned by `imp.find_module`
|
||||
(suffix, mode, type).
|
||||
|
||||
Returns
|
||||
-------
|
||||
mod : module
|
||||
|
||||
"""
|
||||
import imp
|
||||
if info is None:
|
||||
path = os.path.dirname(fn)
|
||||
fo, fn, info = imp.find_module(name, [path])
|
||||
else:
|
||||
fo = open(fn, info[1])
|
||||
try:
|
||||
mod = imp.load_module(name, fo, fn, info)
|
||||
finally:
|
||||
fo.close()
|
||||
return mod
|
||||
|
||||
# backport abc.ABC
|
||||
import abc
|
||||
if sys.version_info[:2] >= (3, 4):
|
||||
abc_ABC = abc.ABC
|
||||
else:
|
||||
abc_ABC = abc.ABCMeta('ABC', (object,), {'__slots__': ()})
|
||||
|
||||
|
||||
# Backport os.fs_path, os.PathLike, and PurePath.__fspath__
|
||||
if sys.version_info[:2] >= (3, 6):
|
||||
os_fspath = os.fspath
|
||||
os_PathLike = os.PathLike
|
||||
else:
|
||||
def _PurePath__fspath__(self):
|
||||
return str(self)
|
||||
|
||||
class os_PathLike(abc_ABC):
|
||||
"""Abstract base class for implementing the file system path protocol."""
|
||||
|
||||
@abc.abstractmethod
|
||||
def __fspath__(self):
|
||||
"""Return the file system path representation of the object."""
|
||||
raise NotImplementedError
|
||||
|
||||
@classmethod
|
||||
def __subclasshook__(cls, subclass):
|
||||
if PurePath is not None and issubclass(subclass, PurePath):
|
||||
return True
|
||||
return hasattr(subclass, '__fspath__')
|
||||
|
||||
|
||||
def os_fspath(path):
|
||||
"""Return the path representation of a path-like object.
|
||||
If str or bytes is passed in, it is returned unchanged. Otherwise the
|
||||
os.PathLike interface is used to get the path representation. If the
|
||||
path representation is not str or bytes, TypeError is raised. If the
|
||||
provided path is not str, bytes, or os.PathLike, TypeError is raised.
|
||||
"""
|
||||
if isinstance(path, (str, bytes)):
|
||||
return path
|
||||
|
||||
# Work from the object's type to match method resolution of other magic
|
||||
# methods.
|
||||
path_type = type(path)
|
||||
try:
|
||||
path_repr = path_type.__fspath__(path)
|
||||
except AttributeError:
|
||||
if hasattr(path_type, '__fspath__'):
|
||||
raise
|
||||
elif PurePath is not None and issubclass(path_type, PurePath):
|
||||
return _PurePath__fspath__(path)
|
||||
else:
|
||||
raise TypeError("expected str, bytes or os.PathLike object, "
|
||||
"not " + path_type.__name__)
|
||||
if isinstance(path_repr, (str, bytes)):
|
||||
return path_repr
|
||||
else:
|
||||
raise TypeError("expected {}.__fspath__() to return str or bytes, "
|
||||
"not {}".format(path_type.__name__,
|
||||
type(path_repr).__name__))
|
||||
@ -0,0 +1,12 @@
|
||||
from __future__ import division, print_function
|
||||
|
||||
def configuration(parent_package='',top_path=None):
|
||||
from numpy.distutils.misc_util import Configuration
|
||||
|
||||
config = Configuration('compat', parent_package, top_path)
|
||||
config.add_data_dir('tests')
|
||||
return config
|
||||
|
||||
if __name__ == '__main__':
|
||||
from numpy.distutils.core import setup
|
||||
setup(configuration=configuration)
|
||||
@ -0,0 +1,21 @@
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
from os.path import join
|
||||
|
||||
from numpy.compat import isfileobj
|
||||
from numpy.testing import assert_
|
||||
from numpy.testing import tempdir
|
||||
|
||||
|
||||
def test_isfileobj():
|
||||
with tempdir(prefix="numpy_test_compat_") as folder:
|
||||
filename = join(folder, 'a.bin')
|
||||
|
||||
with open(filename, 'wb') as f:
|
||||
assert_(isfileobj(f))
|
||||
|
||||
with open(filename, 'ab') as f:
|
||||
assert_(isfileobj(f))
|
||||
|
||||
with open(filename, 'rb') as f:
|
||||
assert_(isfileobj(f))
|
||||
@ -0,0 +1,87 @@
|
||||
"""
|
||||
Pytest configuration and fixtures for the Numpy test suite.
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import os
|
||||
|
||||
import pytest
|
||||
import numpy
|
||||
|
||||
from numpy.core._multiarray_tests import get_fpu_mode
|
||||
|
||||
|
||||
_old_fpu_mode = None
|
||||
_collect_results = {}
|
||||
|
||||
|
||||
def pytest_configure(config):
|
||||
config.addinivalue_line("markers",
|
||||
"valgrind_error: Tests that are known to error under valgrind.")
|
||||
config.addinivalue_line("markers",
|
||||
"leaks_references: Tests that are known to leak references.")
|
||||
config.addinivalue_line("markers",
|
||||
"slow: Tests that are very slow.")
|
||||
|
||||
|
||||
def pytest_addoption(parser):
|
||||
parser.addoption("--available-memory", action="store", default=None,
|
||||
help=("Set amount of memory available for running the "
|
||||
"test suite. This can result to tests requiring "
|
||||
"especially large amounts of memory to be skipped. "
|
||||
"Equivalent to setting environment variable "
|
||||
"NPY_AVAILABLE_MEM. Default: determined"
|
||||
"automatically."))
|
||||
|
||||
|
||||
def pytest_sessionstart(session):
|
||||
available_mem = session.config.getoption('available_memory')
|
||||
if available_mem is not None:
|
||||
os.environ['NPY_AVAILABLE_MEM'] = available_mem
|
||||
|
||||
|
||||
#FIXME when yield tests are gone.
|
||||
@pytest.hookimpl()
|
||||
def pytest_itemcollected(item):
|
||||
"""
|
||||
Check FPU precision mode was not changed during test collection.
|
||||
|
||||
The clumsy way we do it here is mainly necessary because numpy
|
||||
still uses yield tests, which can execute code at test collection
|
||||
time.
|
||||
"""
|
||||
global _old_fpu_mode
|
||||
|
||||
mode = get_fpu_mode()
|
||||
|
||||
if _old_fpu_mode is None:
|
||||
_old_fpu_mode = mode
|
||||
elif mode != _old_fpu_mode:
|
||||
_collect_results[item] = (_old_fpu_mode, mode)
|
||||
_old_fpu_mode = mode
|
||||
|
||||
|
||||
@pytest.fixture(scope="function", autouse=True)
|
||||
def check_fpu_mode(request):
|
||||
"""
|
||||
Check FPU precision mode was not changed during the test.
|
||||
"""
|
||||
old_mode = get_fpu_mode()
|
||||
yield
|
||||
new_mode = get_fpu_mode()
|
||||
|
||||
if old_mode != new_mode:
|
||||
raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
|
||||
" during the test".format(old_mode, new_mode))
|
||||
|
||||
collect_result = _collect_results.get(request.node)
|
||||
if collect_result is not None:
|
||||
old_mode, new_mode = collect_result
|
||||
raise AssertionError("FPU precision mode changed from {0:#x} to {1:#x}"
|
||||
" when collecting the test".format(old_mode,
|
||||
new_mode))
|
||||
|
||||
|
||||
@pytest.fixture(autouse=True)
|
||||
def add_np(doctest_namespace):
|
||||
doctest_namespace['np'] = numpy
|
||||
@ -0,0 +1,154 @@
|
||||
"""
|
||||
Contains the core of NumPy: ndarray, ufuncs, dtypes, etc.
|
||||
|
||||
Please note that this module is private. All functions and objects
|
||||
are available in the main ``numpy`` namespace - use that instead.
|
||||
|
||||
"""
|
||||
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
from numpy.version import version as __version__
|
||||
|
||||
import os
|
||||
|
||||
# disables OpenBLAS affinity setting of the main thread that limits
|
||||
# python threads or processes to one core
|
||||
env_added = []
|
||||
for envkey in ['OPENBLAS_MAIN_FREE', 'GOTOBLAS_MAIN_FREE']:
|
||||
if envkey not in os.environ:
|
||||
os.environ[envkey] = '1'
|
||||
env_added.append(envkey)
|
||||
|
||||
try:
|
||||
from . import multiarray
|
||||
except ImportError as exc:
|
||||
import sys
|
||||
msg = """
|
||||
|
||||
IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!
|
||||
|
||||
Importing the numpy c-extensions failed.
|
||||
- Try uninstalling and reinstalling numpy.
|
||||
- If you have already done that, then:
|
||||
1. Check that you expected to use Python%d.%d from "%s",
|
||||
and that you have no directories in your PATH or PYTHONPATH that can
|
||||
interfere with the Python and numpy version "%s" you're trying to use.
|
||||
2. If (1) looks fine, you can open a new issue at
|
||||
https://github.com/numpy/numpy/issues. Please include details on:
|
||||
- how you installed Python
|
||||
- how you installed numpy
|
||||
- your operating system
|
||||
- whether or not you have multiple versions of Python installed
|
||||
- if you built from source, your compiler versions and ideally a build log
|
||||
|
||||
- If you're working with a numpy git repository, try `git clean -xdf`
|
||||
(removes all files not under version control) and rebuild numpy.
|
||||
|
||||
Note: this error has many possible causes, so please don't comment on
|
||||
an existing issue about this - open a new one instead.
|
||||
|
||||
Original error was: %s
|
||||
""" % (sys.version_info[0], sys.version_info[1], sys.executable,
|
||||
__version__, exc)
|
||||
raise ImportError(msg)
|
||||
finally:
|
||||
for envkey in env_added:
|
||||
del os.environ[envkey]
|
||||
del envkey
|
||||
del env_added
|
||||
del os
|
||||
|
||||
from . import umath
|
||||
|
||||
# Check that multiarray,umath are pure python modules wrapping
|
||||
# _multiarray_umath and not either of the old c-extension modules
|
||||
if not (hasattr(multiarray, '_multiarray_umath') and
|
||||
hasattr(umath, '_multiarray_umath')):
|
||||
import sys
|
||||
path = sys.modules['numpy'].__path__
|
||||
msg = ("Something is wrong with the numpy installation. "
|
||||
"While importing we detected an older version of "
|
||||
"numpy in {}. One method of fixing this is to repeatedly uninstall "
|
||||
"numpy until none is found, then reinstall this version.")
|
||||
raise ImportError(msg.format(path))
|
||||
|
||||
from . import numerictypes as nt
|
||||
multiarray.set_typeDict(nt.sctypeDict)
|
||||
from . import numeric
|
||||
from .numeric import *
|
||||
from . import fromnumeric
|
||||
from .fromnumeric import *
|
||||
from . import defchararray as char
|
||||
from . import records as rec
|
||||
from .records import *
|
||||
from .memmap import *
|
||||
from .defchararray import chararray
|
||||
from . import function_base
|
||||
from .function_base import *
|
||||
from . import machar
|
||||
from .machar import *
|
||||
from . import getlimits
|
||||
from .getlimits import *
|
||||
from . import shape_base
|
||||
from .shape_base import *
|
||||
from . import einsumfunc
|
||||
from .einsumfunc import *
|
||||
del nt
|
||||
|
||||
from .fromnumeric import amax as max, amin as min, round_ as round
|
||||
from .numeric import absolute as abs
|
||||
|
||||
# do this after everything else, to minimize the chance of this misleadingly
|
||||
# appearing in an import-time traceback
|
||||
from . import _add_newdocs
|
||||
# add these for module-freeze analysis (like PyInstaller)
|
||||
from . import _dtype_ctypes
|
||||
from . import _internal
|
||||
from . import _dtype
|
||||
from . import _methods
|
||||
|
||||
__all__ = ['char', 'rec', 'memmap']
|
||||
__all__ += numeric.__all__
|
||||
__all__ += fromnumeric.__all__
|
||||
__all__ += rec.__all__
|
||||
__all__ += ['chararray']
|
||||
__all__ += function_base.__all__
|
||||
__all__ += machar.__all__
|
||||
__all__ += getlimits.__all__
|
||||
__all__ += shape_base.__all__
|
||||
__all__ += einsumfunc.__all__
|
||||
|
||||
# Make it possible so that ufuncs can be pickled
|
||||
# Here are the loading and unloading functions
|
||||
# The name numpy.core._ufunc_reconstruct must be
|
||||
# available for unpickling to work.
|
||||
def _ufunc_reconstruct(module, name):
|
||||
# The `fromlist` kwarg is required to ensure that `mod` points to the
|
||||
# inner-most module rather than the parent package when module name is
|
||||
# nested. This makes it possible to pickle non-toplevel ufuncs such as
|
||||
# scipy.special.expit for instance.
|
||||
mod = __import__(module, fromlist=[name])
|
||||
return getattr(mod, name)
|
||||
|
||||
def _ufunc_reduce(func):
|
||||
from pickle import whichmodule
|
||||
name = func.__name__
|
||||
return _ufunc_reconstruct, (whichmodule(func, name), name)
|
||||
|
||||
|
||||
import sys
|
||||
if sys.version_info[0] >= 3:
|
||||
import copyreg
|
||||
else:
|
||||
import copy_reg as copyreg
|
||||
|
||||
copyreg.pickle(ufunc, _ufunc_reduce, _ufunc_reconstruct)
|
||||
# Unclutter namespace (must keep _ufunc_reconstruct for unpickling)
|
||||
del copyreg
|
||||
del sys
|
||||
del _ufunc_reduce
|
||||
|
||||
from numpy._pytesttester import PytestTester
|
||||
test = PytestTester(__name__)
|
||||
del PytestTester
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,324 @@
|
||||
"""
|
||||
Functions in the ``as*array`` family that promote array-likes into arrays.
|
||||
|
||||
`require` fits this category despite its name not matching this pattern.
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
from .overrides import set_module
|
||||
from .multiarray import array
|
||||
|
||||
|
||||
__all__ = [
|
||||
"asarray", "asanyarray", "ascontiguousarray", "asfortranarray", "require",
|
||||
]
|
||||
|
||||
@set_module('numpy')
|
||||
def asarray(a, dtype=None, order=None):
|
||||
"""Convert the input to an array.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
a : array_like
|
||||
Input data, in any form that can be converted to an array. This
|
||||
includes lists, lists of tuples, tuples, tuples of tuples, tuples
|
||||
of lists and ndarrays.
|
||||
dtype : data-type, optional
|
||||
By default, the data-type is inferred from the input data.
|
||||
order : {'C', 'F'}, optional
|
||||
Whether to use row-major (C-style) or
|
||||
column-major (Fortran-style) memory representation.
|
||||
Defaults to 'C'.
|
||||
|
||||
Returns
|
||||
-------
|
||||
out : ndarray
|
||||
Array interpretation of `a`. No copy is performed if the input
|
||||
is already an ndarray with matching dtype and order. If `a` is a
|
||||
subclass of ndarray, a base class ndarray is returned.
|
||||
|
||||
See Also
|
||||
--------
|
||||
asanyarray : Similar function which passes through subclasses.
|
||||
ascontiguousarray : Convert input to a contiguous array.
|
||||
asfarray : Convert input to a floating point ndarray.
|
||||
asfortranarray : Convert input to an ndarray with column-major
|
||||
memory order.
|
||||
asarray_chkfinite : Similar function which checks input for NaNs and Infs.
|
||||
fromiter : Create an array from an iterator.
|
||||
fromfunction : Construct an array by executing a function on grid
|
||||
positions.
|
||||
|
||||
Examples
|
||||
--------
|
||||
Convert a list into an array:
|
||||
|
||||
>>> a = [1, 2]
|
||||
>>> np.asarray(a)
|
||||
array([1, 2])
|
||||
|
||||
Existing arrays are not copied:
|
||||
|
||||
>>> a = np.array([1, 2])
|
||||
>>> np.asarray(a) is a
|
||||
True
|
||||
|
||||
If `dtype` is set, array is copied only if dtype does not match:
|
||||
|
||||
>>> a = np.array([1, 2], dtype=np.float32)
|
||||
>>> np.asarray(a, dtype=np.float32) is a
|
||||
True
|
||||
>>> np.asarray(a, dtype=np.float64) is a
|
||||
False
|
||||
|
||||
Contrary to `asanyarray`, ndarray subclasses are not passed through:
|
||||
|
||||
>>> issubclass(np.recarray, np.ndarray)
|
||||
True
|
||||
>>> a = np.array([(1.0, 2), (3.0, 4)], dtype='f4,i4').view(np.recarray)
|
||||
>>> np.asarray(a) is a
|
||||
False
|
||||
>>> np.asanyarray(a) is a
|
||||
True
|
||||
|
||||
"""
|
||||
return array(a, dtype, copy=False, order=order)
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def asanyarray(a, dtype=None, order=None):
|
||||
"""Convert the input to an ndarray, but pass ndarray subclasses through.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
a : array_like
|
||||
Input data, in any form that can be converted to an array. This
|
||||
includes scalars, lists, lists of tuples, tuples, tuples of tuples,
|
||||
tuples of lists, and ndarrays.
|
||||
dtype : data-type, optional
|
||||
By default, the data-type is inferred from the input data.
|
||||
order : {'C', 'F'}, optional
|
||||
Whether to use row-major (C-style) or column-major
|
||||
(Fortran-style) memory representation. Defaults to 'C'.
|
||||
|
||||
Returns
|
||||
-------
|
||||
out : ndarray or an ndarray subclass
|
||||
Array interpretation of `a`. If `a` is an ndarray or a subclass
|
||||
of ndarray, it is returned as-is and no copy is performed.
|
||||
|
||||
See Also
|
||||
--------
|
||||
asarray : Similar function which always returns ndarrays.
|
||||
ascontiguousarray : Convert input to a contiguous array.
|
||||
asfarray : Convert input to a floating point ndarray.
|
||||
asfortranarray : Convert input to an ndarray with column-major
|
||||
memory order.
|
||||
asarray_chkfinite : Similar function which checks input for NaNs and
|
||||
Infs.
|
||||
fromiter : Create an array from an iterator.
|
||||
fromfunction : Construct an array by executing a function on grid
|
||||
positions.
|
||||
|
||||
Examples
|
||||
--------
|
||||
Convert a list into an array:
|
||||
|
||||
>>> a = [1, 2]
|
||||
>>> np.asanyarray(a)
|
||||
array([1, 2])
|
||||
|
||||
Instances of `ndarray` subclasses are passed through as-is:
|
||||
|
||||
>>> a = np.array([(1.0, 2), (3.0, 4)], dtype='f4,i4').view(np.recarray)
|
||||
>>> np.asanyarray(a) is a
|
||||
True
|
||||
|
||||
"""
|
||||
return array(a, dtype, copy=False, order=order, subok=True)
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def ascontiguousarray(a, dtype=None):
|
||||
"""
|
||||
Return a contiguous array (ndim >= 1) in memory (C order).
|
||||
|
||||
Parameters
|
||||
----------
|
||||
a : array_like
|
||||
Input array.
|
||||
dtype : str or dtype object, optional
|
||||
Data-type of returned array.
|
||||
|
||||
Returns
|
||||
-------
|
||||
out : ndarray
|
||||
Contiguous array of same shape and content as `a`, with type `dtype`
|
||||
if specified.
|
||||
|
||||
See Also
|
||||
--------
|
||||
asfortranarray : Convert input to an ndarray with column-major
|
||||
memory order.
|
||||
require : Return an ndarray that satisfies requirements.
|
||||
ndarray.flags : Information about the memory layout of the array.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> x = np.arange(6).reshape(2,3)
|
||||
>>> np.ascontiguousarray(x, dtype=np.float32)
|
||||
array([[0., 1., 2.],
|
||||
[3., 4., 5.]], dtype=float32)
|
||||
>>> x.flags['C_CONTIGUOUS']
|
||||
True
|
||||
|
||||
Note: This function returns an array with at least one-dimension (1-d)
|
||||
so it will not preserve 0-d arrays.
|
||||
|
||||
"""
|
||||
return array(a, dtype, copy=False, order='C', ndmin=1)
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def asfortranarray(a, dtype=None):
|
||||
"""
|
||||
Return an array (ndim >= 1) laid out in Fortran order in memory.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
a : array_like
|
||||
Input array.
|
||||
dtype : str or dtype object, optional
|
||||
By default, the data-type is inferred from the input data.
|
||||
|
||||
Returns
|
||||
-------
|
||||
out : ndarray
|
||||
The input `a` in Fortran, or column-major, order.
|
||||
|
||||
See Also
|
||||
--------
|
||||
ascontiguousarray : Convert input to a contiguous (C order) array.
|
||||
asanyarray : Convert input to an ndarray with either row or
|
||||
column-major memory order.
|
||||
require : Return an ndarray that satisfies requirements.
|
||||
ndarray.flags : Information about the memory layout of the array.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> x = np.arange(6).reshape(2,3)
|
||||
>>> y = np.asfortranarray(x)
|
||||
>>> x.flags['F_CONTIGUOUS']
|
||||
False
|
||||
>>> y.flags['F_CONTIGUOUS']
|
||||
True
|
||||
|
||||
Note: This function returns an array with at least one-dimension (1-d)
|
||||
so it will not preserve 0-d arrays.
|
||||
|
||||
"""
|
||||
return array(a, dtype, copy=False, order='F', ndmin=1)
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def require(a, dtype=None, requirements=None):
|
||||
"""
|
||||
Return an ndarray of the provided type that satisfies requirements.
|
||||
|
||||
This function is useful to be sure that an array with the correct flags
|
||||
is returned for passing to compiled code (perhaps through ctypes).
|
||||
|
||||
Parameters
|
||||
----------
|
||||
a : array_like
|
||||
The object to be converted to a type-and-requirement-satisfying array.
|
||||
dtype : data-type
|
||||
The required data-type. If None preserve the current dtype. If your
|
||||
application requires the data to be in native byteorder, include
|
||||
a byteorder specification as a part of the dtype specification.
|
||||
requirements : str or list of str
|
||||
The requirements list can be any of the following
|
||||
|
||||
* 'F_CONTIGUOUS' ('F') - ensure a Fortran-contiguous array
|
||||
* 'C_CONTIGUOUS' ('C') - ensure a C-contiguous array
|
||||
* 'ALIGNED' ('A') - ensure a data-type aligned array
|
||||
* 'WRITEABLE' ('W') - ensure a writable array
|
||||
* 'OWNDATA' ('O') - ensure an array that owns its own data
|
||||
* 'ENSUREARRAY', ('E') - ensure a base array, instead of a subclass
|
||||
|
||||
Returns
|
||||
-------
|
||||
out : ndarray
|
||||
Array with specified requirements and type if given.
|
||||
|
||||
See Also
|
||||
--------
|
||||
asarray : Convert input to an ndarray.
|
||||
asanyarray : Convert to an ndarray, but pass through ndarray subclasses.
|
||||
ascontiguousarray : Convert input to a contiguous array.
|
||||
asfortranarray : Convert input to an ndarray with column-major
|
||||
memory order.
|
||||
ndarray.flags : Information about the memory layout of the array.
|
||||
|
||||
Notes
|
||||
-----
|
||||
The returned array will be guaranteed to have the listed requirements
|
||||
by making a copy if needed.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> x = np.arange(6).reshape(2,3)
|
||||
>>> x.flags
|
||||
C_CONTIGUOUS : True
|
||||
F_CONTIGUOUS : False
|
||||
OWNDATA : False
|
||||
WRITEABLE : True
|
||||
ALIGNED : True
|
||||
WRITEBACKIFCOPY : False
|
||||
UPDATEIFCOPY : False
|
||||
|
||||
>>> y = np.require(x, dtype=np.float32, requirements=['A', 'O', 'W', 'F'])
|
||||
>>> y.flags
|
||||
C_CONTIGUOUS : False
|
||||
F_CONTIGUOUS : True
|
||||
OWNDATA : True
|
||||
WRITEABLE : True
|
||||
ALIGNED : True
|
||||
WRITEBACKIFCOPY : False
|
||||
UPDATEIFCOPY : False
|
||||
|
||||
"""
|
||||
possible_flags = {'C': 'C', 'C_CONTIGUOUS': 'C', 'CONTIGUOUS': 'C',
|
||||
'F': 'F', 'F_CONTIGUOUS': 'F', 'FORTRAN': 'F',
|
||||
'A': 'A', 'ALIGNED': 'A',
|
||||
'W': 'W', 'WRITEABLE': 'W',
|
||||
'O': 'O', 'OWNDATA': 'O',
|
||||
'E': 'E', 'ENSUREARRAY': 'E'}
|
||||
if not requirements:
|
||||
return asanyarray(a, dtype=dtype)
|
||||
else:
|
||||
requirements = {possible_flags[x.upper()] for x in requirements}
|
||||
|
||||
if 'E' in requirements:
|
||||
requirements.remove('E')
|
||||
subok = False
|
||||
else:
|
||||
subok = True
|
||||
|
||||
order = 'A'
|
||||
if requirements >= {'C', 'F'}:
|
||||
raise ValueError('Cannot specify both "C" and "F" order')
|
||||
elif 'F' in requirements:
|
||||
order = 'F'
|
||||
requirements.remove('F')
|
||||
elif 'C' in requirements:
|
||||
order = 'C'
|
||||
requirements.remove('C')
|
||||
|
||||
arr = array(a, dtype=dtype, order=order, copy=False, subok=subok)
|
||||
|
||||
for prop in requirements:
|
||||
if not arr.flags[prop]:
|
||||
arr = arr.copy(order)
|
||||
break
|
||||
return arr
|
||||
354
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/_dtype.py
Normal file
354
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/_dtype.py
Normal file
@ -0,0 +1,354 @@
|
||||
"""
|
||||
A place for code to be called from the implementation of np.dtype
|
||||
|
||||
String handling is much easier to do correctly in python.
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import sys
|
||||
|
||||
import numpy as np
|
||||
|
||||
|
||||
_kind_to_stem = {
|
||||
'u': 'uint',
|
||||
'i': 'int',
|
||||
'c': 'complex',
|
||||
'f': 'float',
|
||||
'b': 'bool',
|
||||
'V': 'void',
|
||||
'O': 'object',
|
||||
'M': 'datetime',
|
||||
'm': 'timedelta'
|
||||
}
|
||||
if sys.version_info[0] >= 3:
|
||||
_kind_to_stem.update({
|
||||
'S': 'bytes',
|
||||
'U': 'str'
|
||||
})
|
||||
else:
|
||||
_kind_to_stem.update({
|
||||
'S': 'string',
|
||||
'U': 'unicode'
|
||||
})
|
||||
|
||||
|
||||
def _kind_name(dtype):
|
||||
try:
|
||||
return _kind_to_stem[dtype.kind]
|
||||
except KeyError:
|
||||
raise RuntimeError(
|
||||
"internal dtype error, unknown kind {!r}"
|
||||
.format(dtype.kind)
|
||||
)
|
||||
|
||||
|
||||
def __str__(dtype):
|
||||
if dtype.fields is not None:
|
||||
return _struct_str(dtype, include_align=True)
|
||||
elif dtype.subdtype:
|
||||
return _subarray_str(dtype)
|
||||
elif issubclass(dtype.type, np.flexible) or not dtype.isnative:
|
||||
return dtype.str
|
||||
else:
|
||||
return dtype.name
|
||||
|
||||
|
||||
def __repr__(dtype):
|
||||
arg_str = _construction_repr(dtype, include_align=False)
|
||||
if dtype.isalignedstruct:
|
||||
arg_str = arg_str + ", align=True"
|
||||
return "dtype({})".format(arg_str)
|
||||
|
||||
|
||||
def _unpack_field(dtype, offset, title=None):
|
||||
"""
|
||||
Helper function to normalize the items in dtype.fields.
|
||||
|
||||
Call as:
|
||||
|
||||
dtype, offset, title = _unpack_field(*dtype.fields[name])
|
||||
"""
|
||||
return dtype, offset, title
|
||||
|
||||
|
||||
def _isunsized(dtype):
|
||||
# PyDataType_ISUNSIZED
|
||||
return dtype.itemsize == 0
|
||||
|
||||
|
||||
def _construction_repr(dtype, include_align=False, short=False):
|
||||
"""
|
||||
Creates a string repr of the dtype, excluding the 'dtype()' part
|
||||
surrounding the object. This object may be a string, a list, or
|
||||
a dict depending on the nature of the dtype. This
|
||||
is the object passed as the first parameter to the dtype
|
||||
constructor, and if no additional constructor parameters are
|
||||
given, will reproduce the exact memory layout.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
short : bool
|
||||
If true, this creates a shorter repr using 'kind' and 'itemsize', instead
|
||||
of the longer type name.
|
||||
|
||||
include_align : bool
|
||||
If true, this includes the 'align=True' parameter
|
||||
inside the struct dtype construction dict when needed. Use this flag
|
||||
if you want a proper repr string without the 'dtype()' part around it.
|
||||
|
||||
If false, this does not preserve the
|
||||
'align=True' parameter or sticky NPY_ALIGNED_STRUCT flag for
|
||||
struct arrays like the regular repr does, because the 'align'
|
||||
flag is not part of first dtype constructor parameter. This
|
||||
mode is intended for a full 'repr', where the 'align=True' is
|
||||
provided as the second parameter.
|
||||
"""
|
||||
if dtype.fields is not None:
|
||||
return _struct_str(dtype, include_align=include_align)
|
||||
elif dtype.subdtype:
|
||||
return _subarray_str(dtype)
|
||||
else:
|
||||
return _scalar_str(dtype, short=short)
|
||||
|
||||
|
||||
def _scalar_str(dtype, short):
|
||||
byteorder = _byte_order_str(dtype)
|
||||
|
||||
if dtype.type == np.bool_:
|
||||
if short:
|
||||
return "'?'"
|
||||
else:
|
||||
return "'bool'"
|
||||
|
||||
elif dtype.type == np.object_:
|
||||
# The object reference may be different sizes on different
|
||||
# platforms, so it should never include the itemsize here.
|
||||
return "'O'"
|
||||
|
||||
elif dtype.type == np.string_:
|
||||
if _isunsized(dtype):
|
||||
return "'S'"
|
||||
else:
|
||||
return "'S%d'" % dtype.itemsize
|
||||
|
||||
elif dtype.type == np.unicode_:
|
||||
if _isunsized(dtype):
|
||||
return "'%sU'" % byteorder
|
||||
else:
|
||||
return "'%sU%d'" % (byteorder, dtype.itemsize / 4)
|
||||
|
||||
# unlike the other types, subclasses of void are preserved - but
|
||||
# historically the repr does not actually reveal the subclass
|
||||
elif issubclass(dtype.type, np.void):
|
||||
if _isunsized(dtype):
|
||||
return "'V'"
|
||||
else:
|
||||
return "'V%d'" % dtype.itemsize
|
||||
|
||||
elif dtype.type == np.datetime64:
|
||||
return "'%sM8%s'" % (byteorder, _datetime_metadata_str(dtype))
|
||||
|
||||
elif dtype.type == np.timedelta64:
|
||||
return "'%sm8%s'" % (byteorder, _datetime_metadata_str(dtype))
|
||||
|
||||
elif np.issubdtype(dtype, np.number):
|
||||
# Short repr with endianness, like '<f8'
|
||||
if short or dtype.byteorder not in ('=', '|'):
|
||||
return "'%s%c%d'" % (byteorder, dtype.kind, dtype.itemsize)
|
||||
|
||||
# Longer repr, like 'float64'
|
||||
else:
|
||||
return "'%s%d'" % (_kind_name(dtype), 8*dtype.itemsize)
|
||||
|
||||
elif dtype.isbuiltin == 2:
|
||||
return dtype.type.__name__
|
||||
|
||||
else:
|
||||
raise RuntimeError(
|
||||
"Internal error: NumPy dtype unrecognized type number")
|
||||
|
||||
|
||||
def _byte_order_str(dtype):
|
||||
""" Normalize byteorder to '<' or '>' """
|
||||
# hack to obtain the native and swapped byte order characters
|
||||
swapped = np.dtype(int).newbyteorder('s')
|
||||
native = swapped.newbyteorder('s')
|
||||
|
||||
byteorder = dtype.byteorder
|
||||
if byteorder == '=':
|
||||
return native.byteorder
|
||||
if byteorder == 's':
|
||||
# TODO: this path can never be reached
|
||||
return swapped.byteorder
|
||||
elif byteorder == '|':
|
||||
return ''
|
||||
else:
|
||||
return byteorder
|
||||
|
||||
|
||||
def _datetime_metadata_str(dtype):
|
||||
# TODO: this duplicates the C append_metastr_to_string
|
||||
unit, count = np.datetime_data(dtype)
|
||||
if unit == 'generic':
|
||||
return ''
|
||||
elif count == 1:
|
||||
return '[{}]'.format(unit)
|
||||
else:
|
||||
return '[{}{}]'.format(count, unit)
|
||||
|
||||
|
||||
def _struct_dict_str(dtype, includealignedflag):
|
||||
# unpack the fields dictionary into ls
|
||||
names = dtype.names
|
||||
fld_dtypes = []
|
||||
offsets = []
|
||||
titles = []
|
||||
for name in names:
|
||||
fld_dtype, offset, title = _unpack_field(*dtype.fields[name])
|
||||
fld_dtypes.append(fld_dtype)
|
||||
offsets.append(offset)
|
||||
titles.append(title)
|
||||
|
||||
# Build up a string to make the dictionary
|
||||
|
||||
# First, the names
|
||||
ret = "{'names':["
|
||||
ret += ",".join(repr(name) for name in names)
|
||||
|
||||
# Second, the formats
|
||||
ret += "], 'formats':["
|
||||
ret += ",".join(
|
||||
_construction_repr(fld_dtype, short=True) for fld_dtype in fld_dtypes)
|
||||
|
||||
# Third, the offsets
|
||||
ret += "], 'offsets':["
|
||||
ret += ",".join("%d" % offset for offset in offsets)
|
||||
|
||||
# Fourth, the titles
|
||||
if any(title is not None for title in titles):
|
||||
ret += "], 'titles':["
|
||||
ret += ",".join(repr(title) for title in titles)
|
||||
|
||||
# Fifth, the itemsize
|
||||
ret += "], 'itemsize':%d" % dtype.itemsize
|
||||
|
||||
if (includealignedflag and dtype.isalignedstruct):
|
||||
# Finally, the aligned flag
|
||||
ret += ", 'aligned':True}"
|
||||
else:
|
||||
ret += "}"
|
||||
|
||||
return ret
|
||||
|
||||
|
||||
def _is_packed(dtype):
|
||||
"""
|
||||
Checks whether the structured data type in 'dtype'
|
||||
has a simple layout, where all the fields are in order,
|
||||
and follow each other with no alignment padding.
|
||||
|
||||
When this returns true, the dtype can be reconstructed
|
||||
from a list of the field names and dtypes with no additional
|
||||
dtype parameters.
|
||||
|
||||
Duplicates the C `is_dtype_struct_simple_unaligned_layout` function.
|
||||
"""
|
||||
total_offset = 0
|
||||
for name in dtype.names:
|
||||
fld_dtype, fld_offset, title = _unpack_field(*dtype.fields[name])
|
||||
if fld_offset != total_offset:
|
||||
return False
|
||||
total_offset += fld_dtype.itemsize
|
||||
if total_offset != dtype.itemsize:
|
||||
return False
|
||||
return True
|
||||
|
||||
|
||||
def _struct_list_str(dtype):
|
||||
items = []
|
||||
for name in dtype.names:
|
||||
fld_dtype, fld_offset, title = _unpack_field(*dtype.fields[name])
|
||||
|
||||
item = "("
|
||||
if title is not None:
|
||||
item += "({!r}, {!r}), ".format(title, name)
|
||||
else:
|
||||
item += "{!r}, ".format(name)
|
||||
# Special case subarray handling here
|
||||
if fld_dtype.subdtype is not None:
|
||||
base, shape = fld_dtype.subdtype
|
||||
item += "{}, {}".format(
|
||||
_construction_repr(base, short=True),
|
||||
shape
|
||||
)
|
||||
else:
|
||||
item += _construction_repr(fld_dtype, short=True)
|
||||
|
||||
item += ")"
|
||||
items.append(item)
|
||||
|
||||
return "[" + ", ".join(items) + "]"
|
||||
|
||||
|
||||
def _struct_str(dtype, include_align):
|
||||
# The list str representation can't include the 'align=' flag,
|
||||
# so if it is requested and the struct has the aligned flag set,
|
||||
# we must use the dict str instead.
|
||||
if not (include_align and dtype.isalignedstruct) and _is_packed(dtype):
|
||||
sub = _struct_list_str(dtype)
|
||||
|
||||
else:
|
||||
sub = _struct_dict_str(dtype, include_align)
|
||||
|
||||
# If the data type isn't the default, void, show it
|
||||
if dtype.type != np.void:
|
||||
return "({t.__module__}.{t.__name__}, {f})".format(t=dtype.type, f=sub)
|
||||
else:
|
||||
return sub
|
||||
|
||||
|
||||
def _subarray_str(dtype):
|
||||
base, shape = dtype.subdtype
|
||||
return "({}, {})".format(
|
||||
_construction_repr(base, short=True),
|
||||
shape
|
||||
)
|
||||
|
||||
|
||||
def _name_includes_bit_suffix(dtype):
|
||||
if dtype.type == np.object_:
|
||||
# pointer size varies by system, best to omit it
|
||||
return False
|
||||
elif dtype.type == np.bool_:
|
||||
# implied
|
||||
return False
|
||||
elif np.issubdtype(dtype, np.flexible) and _isunsized(dtype):
|
||||
# unspecified
|
||||
return False
|
||||
else:
|
||||
return True
|
||||
|
||||
|
||||
def _name_get(dtype):
|
||||
# provides dtype.name.__get__, documented as returning a "bit name"
|
||||
|
||||
if dtype.isbuiltin == 2:
|
||||
# user dtypes don't promise to do anything special
|
||||
return dtype.type.__name__
|
||||
|
||||
if issubclass(dtype.type, np.void):
|
||||
# historically, void subclasses preserve their name, eg `record64`
|
||||
name = dtype.type.__name__
|
||||
else:
|
||||
name = _kind_name(dtype)
|
||||
|
||||
# append bit counts
|
||||
if _name_includes_bit_suffix(dtype):
|
||||
name += "{}".format(dtype.itemsize * 8)
|
||||
|
||||
# append metadata to datetimes
|
||||
if dtype.type in (np.datetime64, np.timedelta64):
|
||||
name += _datetime_metadata_str(dtype)
|
||||
|
||||
return name
|
||||
@ -0,0 +1,113 @@
|
||||
"""
|
||||
Conversion from ctypes to dtype.
|
||||
|
||||
In an ideal world, we could achieve this through the PEP3118 buffer protocol,
|
||||
something like::
|
||||
|
||||
def dtype_from_ctypes_type(t):
|
||||
# needed to ensure that the shape of `t` is within memoryview.format
|
||||
class DummyStruct(ctypes.Structure):
|
||||
_fields_ = [('a', t)]
|
||||
|
||||
# empty to avoid memory allocation
|
||||
ctype_0 = (DummyStruct * 0)()
|
||||
mv = memoryview(ctype_0)
|
||||
|
||||
# convert the struct, and slice back out the field
|
||||
return _dtype_from_pep3118(mv.format)['a']
|
||||
|
||||
Unfortunately, this fails because:
|
||||
|
||||
* ctypes cannot handle length-0 arrays with PEP3118 (bpo-32782)
|
||||
* PEP3118 cannot represent unions, but both numpy and ctypes can
|
||||
* ctypes cannot handle big-endian structs with PEP3118 (bpo-32780)
|
||||
"""
|
||||
import _ctypes
|
||||
import ctypes
|
||||
|
||||
import numpy as np
|
||||
|
||||
|
||||
def _from_ctypes_array(t):
|
||||
return np.dtype((dtype_from_ctypes_type(t._type_), (t._length_,)))
|
||||
|
||||
|
||||
def _from_ctypes_structure(t):
|
||||
for item in t._fields_:
|
||||
if len(item) > 2:
|
||||
raise TypeError(
|
||||
"ctypes bitfields have no dtype equivalent")
|
||||
|
||||
if hasattr(t, "_pack_"):
|
||||
formats = []
|
||||
offsets = []
|
||||
names = []
|
||||
current_offset = 0
|
||||
for fname, ftyp in t._fields_:
|
||||
names.append(fname)
|
||||
formats.append(dtype_from_ctypes_type(ftyp))
|
||||
# Each type has a default offset, this is platform dependent for some types.
|
||||
effective_pack = min(t._pack_, ctypes.alignment(ftyp))
|
||||
current_offset = ((current_offset + effective_pack - 1) // effective_pack) * effective_pack
|
||||
offsets.append(current_offset)
|
||||
current_offset += ctypes.sizeof(ftyp)
|
||||
|
||||
return np.dtype(dict(
|
||||
formats=formats,
|
||||
offsets=offsets,
|
||||
names=names,
|
||||
itemsize=ctypes.sizeof(t)))
|
||||
else:
|
||||
fields = []
|
||||
for fname, ftyp in t._fields_:
|
||||
fields.append((fname, dtype_from_ctypes_type(ftyp)))
|
||||
|
||||
# by default, ctypes structs are aligned
|
||||
return np.dtype(fields, align=True)
|
||||
|
||||
|
||||
def _from_ctypes_scalar(t):
|
||||
"""
|
||||
Return the dtype type with endianness included if it's the case
|
||||
"""
|
||||
if getattr(t, '__ctype_be__', None) is t:
|
||||
return np.dtype('>' + t._type_)
|
||||
elif getattr(t, '__ctype_le__', None) is t:
|
||||
return np.dtype('<' + t._type_)
|
||||
else:
|
||||
return np.dtype(t._type_)
|
||||
|
||||
|
||||
def _from_ctypes_union(t):
|
||||
formats = []
|
||||
offsets = []
|
||||
names = []
|
||||
for fname, ftyp in t._fields_:
|
||||
names.append(fname)
|
||||
formats.append(dtype_from_ctypes_type(ftyp))
|
||||
offsets.append(0) # Union fields are offset to 0
|
||||
|
||||
return np.dtype(dict(
|
||||
formats=formats,
|
||||
offsets=offsets,
|
||||
names=names,
|
||||
itemsize=ctypes.sizeof(t)))
|
||||
|
||||
|
||||
def dtype_from_ctypes_type(t):
|
||||
"""
|
||||
Construct a dtype object from a ctypes type
|
||||
"""
|
||||
if issubclass(t, _ctypes.Array):
|
||||
return _from_ctypes_array(t)
|
||||
elif issubclass(t, _ctypes._Pointer):
|
||||
raise TypeError("ctypes pointers have no dtype equivalent")
|
||||
elif issubclass(t, _ctypes.Structure):
|
||||
return _from_ctypes_structure(t)
|
||||
elif issubclass(t, _ctypes.Union):
|
||||
return _from_ctypes_union(t)
|
||||
elif isinstance(getattr(t, '_type_', None), str):
|
||||
return _from_ctypes_scalar(t)
|
||||
else:
|
||||
raise NotImplementedError(
|
||||
"Unknown ctypes type {}".format(t.__name__))
|
||||
@ -0,0 +1,200 @@
|
||||
"""
|
||||
Various richly-typed exceptions, that also help us deal with string formatting
|
||||
in python where it's easier.
|
||||
|
||||
By putting the formatting in `__str__`, we also avoid paying the cost for
|
||||
users who silence the exceptions.
|
||||
"""
|
||||
from numpy.core.overrides import set_module
|
||||
|
||||
def _unpack_tuple(tup):
|
||||
if len(tup) == 1:
|
||||
return tup[0]
|
||||
else:
|
||||
return tup
|
||||
|
||||
|
||||
def _display_as_base(cls):
|
||||
"""
|
||||
A decorator that makes an exception class look like its base.
|
||||
|
||||
We use this to hide subclasses that are implementation details - the user
|
||||
should catch the base type, which is what the traceback will show them.
|
||||
|
||||
Classes decorated with this decorator are subject to removal without a
|
||||
deprecation warning.
|
||||
"""
|
||||
assert issubclass(cls, Exception)
|
||||
cls.__name__ = cls.__base__.__name__
|
||||
cls.__qualname__ = cls.__base__.__qualname__
|
||||
set_module(cls.__base__.__module__)(cls)
|
||||
return cls
|
||||
|
||||
|
||||
class UFuncTypeError(TypeError):
|
||||
""" Base class for all ufunc exceptions """
|
||||
def __init__(self, ufunc):
|
||||
self.ufunc = ufunc
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _UFuncBinaryResolutionError(UFuncTypeError):
|
||||
""" Thrown when a binary resolution fails """
|
||||
def __init__(self, ufunc, dtypes):
|
||||
super().__init__(ufunc)
|
||||
self.dtypes = tuple(dtypes)
|
||||
assert len(self.dtypes) == 2
|
||||
|
||||
def __str__(self):
|
||||
return (
|
||||
"ufunc {!r} cannot use operands with types {!r} and {!r}"
|
||||
).format(
|
||||
self.ufunc.__name__, *self.dtypes
|
||||
)
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _UFuncNoLoopError(UFuncTypeError):
|
||||
""" Thrown when a ufunc loop cannot be found """
|
||||
def __init__(self, ufunc, dtypes):
|
||||
super().__init__(ufunc)
|
||||
self.dtypes = tuple(dtypes)
|
||||
|
||||
def __str__(self):
|
||||
return (
|
||||
"ufunc {!r} did not contain a loop with signature matching types "
|
||||
"{!r} -> {!r}"
|
||||
).format(
|
||||
self.ufunc.__name__,
|
||||
_unpack_tuple(self.dtypes[:self.ufunc.nin]),
|
||||
_unpack_tuple(self.dtypes[self.ufunc.nin:])
|
||||
)
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _UFuncCastingError(UFuncTypeError):
|
||||
def __init__(self, ufunc, casting, from_, to):
|
||||
super().__init__(ufunc)
|
||||
self.casting = casting
|
||||
self.from_ = from_
|
||||
self.to = to
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _UFuncInputCastingError(_UFuncCastingError):
|
||||
""" Thrown when a ufunc input cannot be casted """
|
||||
def __init__(self, ufunc, casting, from_, to, i):
|
||||
super().__init__(ufunc, casting, from_, to)
|
||||
self.in_i = i
|
||||
|
||||
def __str__(self):
|
||||
# only show the number if more than one input exists
|
||||
i_str = "{} ".format(self.in_i) if self.ufunc.nin != 1 else ""
|
||||
return (
|
||||
"Cannot cast ufunc {!r} input {}from {!r} to {!r} with casting "
|
||||
"rule {!r}"
|
||||
).format(
|
||||
self.ufunc.__name__, i_str, self.from_, self.to, self.casting
|
||||
)
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _UFuncOutputCastingError(_UFuncCastingError):
|
||||
""" Thrown when a ufunc output cannot be casted """
|
||||
def __init__(self, ufunc, casting, from_, to, i):
|
||||
super().__init__(ufunc, casting, from_, to)
|
||||
self.out_i = i
|
||||
|
||||
def __str__(self):
|
||||
# only show the number if more than one output exists
|
||||
i_str = "{} ".format(self.out_i) if self.ufunc.nout != 1 else ""
|
||||
return (
|
||||
"Cannot cast ufunc {!r} output {}from {!r} to {!r} with casting "
|
||||
"rule {!r}"
|
||||
).format(
|
||||
self.ufunc.__name__, i_str, self.from_, self.to, self.casting
|
||||
)
|
||||
|
||||
|
||||
# Exception used in shares_memory()
|
||||
@set_module('numpy')
|
||||
class TooHardError(RuntimeError):
|
||||
pass
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
class AxisError(ValueError, IndexError):
|
||||
""" Axis supplied was invalid. """
|
||||
def __init__(self, axis, ndim=None, msg_prefix=None):
|
||||
# single-argument form just delegates to base class
|
||||
if ndim is None and msg_prefix is None:
|
||||
msg = axis
|
||||
|
||||
# do the string formatting here, to save work in the C code
|
||||
else:
|
||||
msg = ("axis {} is out of bounds for array of dimension {}"
|
||||
.format(axis, ndim))
|
||||
if msg_prefix is not None:
|
||||
msg = "{}: {}".format(msg_prefix, msg)
|
||||
|
||||
super(AxisError, self).__init__(msg)
|
||||
|
||||
|
||||
@_display_as_base
|
||||
class _ArrayMemoryError(MemoryError):
|
||||
""" Thrown when an array cannot be allocated"""
|
||||
def __init__(self, shape, dtype):
|
||||
self.shape = shape
|
||||
self.dtype = dtype
|
||||
|
||||
@property
|
||||
def _total_size(self):
|
||||
num_bytes = self.dtype.itemsize
|
||||
for dim in self.shape:
|
||||
num_bytes *= dim
|
||||
return num_bytes
|
||||
|
||||
@staticmethod
|
||||
def _size_to_string(num_bytes):
|
||||
""" Convert a number of bytes into a binary size string """
|
||||
import math
|
||||
|
||||
# https://en.wikipedia.org/wiki/Binary_prefix
|
||||
LOG2_STEP = 10
|
||||
STEP = 1024
|
||||
units = ['bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB']
|
||||
|
||||
unit_i = max(num_bytes.bit_length() - 1, 1) // LOG2_STEP
|
||||
unit_val = 1 << (unit_i * LOG2_STEP)
|
||||
n_units = num_bytes / unit_val
|
||||
del unit_val
|
||||
|
||||
# ensure we pick a unit that is correct after rounding
|
||||
if round(n_units) == STEP:
|
||||
unit_i += 1
|
||||
n_units /= STEP
|
||||
|
||||
# deal with sizes so large that we don't have units for them
|
||||
if unit_i >= len(units):
|
||||
new_unit_i = len(units) - 1
|
||||
n_units *= 1 << ((unit_i - new_unit_i) * LOG2_STEP)
|
||||
unit_i = new_unit_i
|
||||
|
||||
unit_name = units[unit_i]
|
||||
# format with a sensible number of digits
|
||||
if unit_i == 0:
|
||||
# no decimal point on bytes
|
||||
return '{:.0f} {}'.format(n_units, unit_name)
|
||||
elif round(n_units) < 1000:
|
||||
# 3 significant figures, if none are dropped to the left of the .
|
||||
return '{:#.3g} {}'.format(n_units, unit_name)
|
||||
else:
|
||||
# just give all the digits otherwise
|
||||
return '{:#.0f} {}'.format(n_units, unit_name)
|
||||
|
||||
def __str__(self):
|
||||
size_str = self._size_to_string(self._total_size)
|
||||
return (
|
||||
"Unable to allocate {} for an array with shape {} and data type {}"
|
||||
.format(size_str, self.shape, self.dtype)
|
||||
)
|
||||
@ -0,0 +1,877 @@
|
||||
"""
|
||||
A place for internal code
|
||||
|
||||
Some things are more easily handled Python.
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import re
|
||||
import sys
|
||||
import platform
|
||||
|
||||
from numpy.compat import unicode
|
||||
from .multiarray import dtype, array, ndarray
|
||||
try:
|
||||
import ctypes
|
||||
except ImportError:
|
||||
ctypes = None
|
||||
|
||||
IS_PYPY = platform.python_implementation() == 'PyPy'
|
||||
|
||||
if (sys.byteorder == 'little'):
|
||||
_nbo = b'<'
|
||||
else:
|
||||
_nbo = b'>'
|
||||
|
||||
def _makenames_list(adict, align):
|
||||
allfields = []
|
||||
fnames = list(adict.keys())
|
||||
for fname in fnames:
|
||||
obj = adict[fname]
|
||||
n = len(obj)
|
||||
if not isinstance(obj, tuple) or n not in [2, 3]:
|
||||
raise ValueError("entry not a 2- or 3- tuple")
|
||||
if (n > 2) and (obj[2] == fname):
|
||||
continue
|
||||
num = int(obj[1])
|
||||
if (num < 0):
|
||||
raise ValueError("invalid offset.")
|
||||
format = dtype(obj[0], align=align)
|
||||
if (n > 2):
|
||||
title = obj[2]
|
||||
else:
|
||||
title = None
|
||||
allfields.append((fname, format, num, title))
|
||||
# sort by offsets
|
||||
allfields.sort(key=lambda x: x[2])
|
||||
names = [x[0] for x in allfields]
|
||||
formats = [x[1] for x in allfields]
|
||||
offsets = [x[2] for x in allfields]
|
||||
titles = [x[3] for x in allfields]
|
||||
|
||||
return names, formats, offsets, titles
|
||||
|
||||
# Called in PyArray_DescrConverter function when
|
||||
# a dictionary without "names" and "formats"
|
||||
# fields is used as a data-type descriptor.
|
||||
def _usefields(adict, align):
|
||||
try:
|
||||
names = adict[-1]
|
||||
except KeyError:
|
||||
names = None
|
||||
if names is None:
|
||||
names, formats, offsets, titles = _makenames_list(adict, align)
|
||||
else:
|
||||
formats = []
|
||||
offsets = []
|
||||
titles = []
|
||||
for name in names:
|
||||
res = adict[name]
|
||||
formats.append(res[0])
|
||||
offsets.append(res[1])
|
||||
if (len(res) > 2):
|
||||
titles.append(res[2])
|
||||
else:
|
||||
titles.append(None)
|
||||
|
||||
return dtype({"names": names,
|
||||
"formats": formats,
|
||||
"offsets": offsets,
|
||||
"titles": titles}, align)
|
||||
|
||||
|
||||
# construct an array_protocol descriptor list
|
||||
# from the fields attribute of a descriptor
|
||||
# This calls itself recursively but should eventually hit
|
||||
# a descriptor that has no fields and then return
|
||||
# a simple typestring
|
||||
|
||||
def _array_descr(descriptor):
|
||||
fields = descriptor.fields
|
||||
if fields is None:
|
||||
subdtype = descriptor.subdtype
|
||||
if subdtype is None:
|
||||
if descriptor.metadata is None:
|
||||
return descriptor.str
|
||||
else:
|
||||
new = descriptor.metadata.copy()
|
||||
if new:
|
||||
return (descriptor.str, new)
|
||||
else:
|
||||
return descriptor.str
|
||||
else:
|
||||
return (_array_descr(subdtype[0]), subdtype[1])
|
||||
|
||||
names = descriptor.names
|
||||
ordered_fields = [fields[x] + (x,) for x in names]
|
||||
result = []
|
||||
offset = 0
|
||||
for field in ordered_fields:
|
||||
if field[1] > offset:
|
||||
num = field[1] - offset
|
||||
result.append(('', '|V%d' % num))
|
||||
offset += num
|
||||
elif field[1] < offset:
|
||||
raise ValueError(
|
||||
"dtype.descr is not defined for types with overlapping or "
|
||||
"out-of-order fields")
|
||||
if len(field) > 3:
|
||||
name = (field[2], field[3])
|
||||
else:
|
||||
name = field[2]
|
||||
if field[0].subdtype:
|
||||
tup = (name, _array_descr(field[0].subdtype[0]),
|
||||
field[0].subdtype[1])
|
||||
else:
|
||||
tup = (name, _array_descr(field[0]))
|
||||
offset += field[0].itemsize
|
||||
result.append(tup)
|
||||
|
||||
if descriptor.itemsize > offset:
|
||||
num = descriptor.itemsize - offset
|
||||
result.append(('', '|V%d' % num))
|
||||
|
||||
return result
|
||||
|
||||
# Build a new array from the information in a pickle.
|
||||
# Note that the name numpy.core._internal._reconstruct is embedded in
|
||||
# pickles of ndarrays made with NumPy before release 1.0
|
||||
# so don't remove the name here, or you'll
|
||||
# break backward compatibility.
|
||||
def _reconstruct(subtype, shape, dtype):
|
||||
return ndarray.__new__(subtype, shape, dtype)
|
||||
|
||||
|
||||
# format_re was originally from numarray by J. Todd Miller
|
||||
|
||||
format_re = re.compile(br'(?P<order1>[<>|=]?)'
|
||||
br'(?P<repeats> *[(]?[ ,0-9]*[)]? *)'
|
||||
br'(?P<order2>[<>|=]?)'
|
||||
br'(?P<dtype>[A-Za-z0-9.?]*(?:\[[a-zA-Z0-9,.]+\])?)')
|
||||
sep_re = re.compile(br'\s*,\s*')
|
||||
space_re = re.compile(br'\s+$')
|
||||
|
||||
# astr is a string (perhaps comma separated)
|
||||
|
||||
_convorder = {b'=': _nbo}
|
||||
|
||||
def _commastring(astr):
|
||||
startindex = 0
|
||||
result = []
|
||||
while startindex < len(astr):
|
||||
mo = format_re.match(astr, pos=startindex)
|
||||
try:
|
||||
(order1, repeats, order2, dtype) = mo.groups()
|
||||
except (TypeError, AttributeError):
|
||||
raise ValueError('format number %d of "%s" is not recognized' %
|
||||
(len(result)+1, astr))
|
||||
startindex = mo.end()
|
||||
# Separator or ending padding
|
||||
if startindex < len(astr):
|
||||
if space_re.match(astr, pos=startindex):
|
||||
startindex = len(astr)
|
||||
else:
|
||||
mo = sep_re.match(astr, pos=startindex)
|
||||
if not mo:
|
||||
raise ValueError(
|
||||
'format number %d of "%s" is not recognized' %
|
||||
(len(result)+1, astr))
|
||||
startindex = mo.end()
|
||||
|
||||
if order2 == b'':
|
||||
order = order1
|
||||
elif order1 == b'':
|
||||
order = order2
|
||||
else:
|
||||
order1 = _convorder.get(order1, order1)
|
||||
order2 = _convorder.get(order2, order2)
|
||||
if (order1 != order2):
|
||||
raise ValueError(
|
||||
'inconsistent byte-order specification %s and %s' %
|
||||
(order1, order2))
|
||||
order = order1
|
||||
|
||||
if order in [b'|', b'=', _nbo]:
|
||||
order = b''
|
||||
dtype = order + dtype
|
||||
if (repeats == b''):
|
||||
newitem = dtype
|
||||
else:
|
||||
newitem = (dtype, eval(repeats))
|
||||
result.append(newitem)
|
||||
|
||||
return result
|
||||
|
||||
class dummy_ctype(object):
|
||||
def __init__(self, cls):
|
||||
self._cls = cls
|
||||
def __mul__(self, other):
|
||||
return self
|
||||
def __call__(self, *other):
|
||||
return self._cls(other)
|
||||
def __eq__(self, other):
|
||||
return self._cls == other._cls
|
||||
def __ne__(self, other):
|
||||
return self._cls != other._cls
|
||||
|
||||
def _getintp_ctype():
|
||||
val = _getintp_ctype.cache
|
||||
if val is not None:
|
||||
return val
|
||||
if ctypes is None:
|
||||
import numpy as np
|
||||
val = dummy_ctype(np.intp)
|
||||
else:
|
||||
char = dtype('p').char
|
||||
if (char == 'i'):
|
||||
val = ctypes.c_int
|
||||
elif char == 'l':
|
||||
val = ctypes.c_long
|
||||
elif char == 'q':
|
||||
val = ctypes.c_longlong
|
||||
else:
|
||||
val = ctypes.c_long
|
||||
_getintp_ctype.cache = val
|
||||
return val
|
||||
_getintp_ctype.cache = None
|
||||
|
||||
# Used for .ctypes attribute of ndarray
|
||||
|
||||
class _missing_ctypes(object):
|
||||
def cast(self, num, obj):
|
||||
return num.value
|
||||
|
||||
class c_void_p(object):
|
||||
def __init__(self, ptr):
|
||||
self.value = ptr
|
||||
|
||||
|
||||
class _ctypes(object):
|
||||
def __init__(self, array, ptr=None):
|
||||
self._arr = array
|
||||
|
||||
if ctypes:
|
||||
self._ctypes = ctypes
|
||||
self._data = self._ctypes.c_void_p(ptr)
|
||||
else:
|
||||
# fake a pointer-like object that holds onto the reference
|
||||
self._ctypes = _missing_ctypes()
|
||||
self._data = self._ctypes.c_void_p(ptr)
|
||||
self._data._objects = array
|
||||
|
||||
if self._arr.ndim == 0:
|
||||
self._zerod = True
|
||||
else:
|
||||
self._zerod = False
|
||||
|
||||
def data_as(self, obj):
|
||||
"""
|
||||
Return the data pointer cast to a particular c-types object.
|
||||
For example, calling ``self._as_parameter_`` is equivalent to
|
||||
``self.data_as(ctypes.c_void_p)``. Perhaps you want to use the data as a
|
||||
pointer to a ctypes array of floating-point data:
|
||||
``self.data_as(ctypes.POINTER(ctypes.c_double))``.
|
||||
|
||||
The returned pointer will keep a reference to the array.
|
||||
"""
|
||||
# _ctypes.cast function causes a circular reference of self._data in
|
||||
# self._data._objects. Attributes of self._data cannot be released
|
||||
# until gc.collect is called. Make a copy of the pointer first then let
|
||||
# it hold the array reference. This is a workaround to circumvent the
|
||||
# CPython bug https://bugs.python.org/issue12836
|
||||
ptr = self._ctypes.cast(self._data, obj)
|
||||
ptr._arr = self._arr
|
||||
return ptr
|
||||
|
||||
def shape_as(self, obj):
|
||||
"""
|
||||
Return the shape tuple as an array of some other c-types
|
||||
type. For example: ``self.shape_as(ctypes.c_short)``.
|
||||
"""
|
||||
if self._zerod:
|
||||
return None
|
||||
return (obj*self._arr.ndim)(*self._arr.shape)
|
||||
|
||||
def strides_as(self, obj):
|
||||
"""
|
||||
Return the strides tuple as an array of some other
|
||||
c-types type. For example: ``self.strides_as(ctypes.c_longlong)``.
|
||||
"""
|
||||
if self._zerod:
|
||||
return None
|
||||
return (obj*self._arr.ndim)(*self._arr.strides)
|
||||
|
||||
@property
|
||||
def data(self):
|
||||
"""
|
||||
A pointer to the memory area of the array as a Python integer.
|
||||
This memory area may contain data that is not aligned, or not in correct
|
||||
byte-order. The memory area may not even be writeable. The array
|
||||
flags and data-type of this array should be respected when passing this
|
||||
attribute to arbitrary C-code to avoid trouble that can include Python
|
||||
crashing. User Beware! The value of this attribute is exactly the same
|
||||
as ``self._array_interface_['data'][0]``.
|
||||
|
||||
Note that unlike ``data_as``, a reference will not be kept to the array:
|
||||
code like ``ctypes.c_void_p((a + b).ctypes.data)`` will result in a
|
||||
pointer to a deallocated array, and should be spelt
|
||||
``(a + b).ctypes.data_as(ctypes.c_void_p)``
|
||||
"""
|
||||
return self._data.value
|
||||
|
||||
@property
|
||||
def shape(self):
|
||||
"""
|
||||
(c_intp*self.ndim): A ctypes array of length self.ndim where
|
||||
the basetype is the C-integer corresponding to ``dtype('p')`` on this
|
||||
platform. This base-type could be `ctypes.c_int`, `ctypes.c_long`, or
|
||||
`ctypes.c_longlong` depending on the platform.
|
||||
The c_intp type is defined accordingly in `numpy.ctypeslib`.
|
||||
The ctypes array contains the shape of the underlying array.
|
||||
"""
|
||||
return self.shape_as(_getintp_ctype())
|
||||
|
||||
@property
|
||||
def strides(self):
|
||||
"""
|
||||
(c_intp*self.ndim): A ctypes array of length self.ndim where
|
||||
the basetype is the same as for the shape attribute. This ctypes array
|
||||
contains the strides information from the underlying array. This strides
|
||||
information is important for showing how many bytes must be jumped to
|
||||
get to the next element in the array.
|
||||
"""
|
||||
return self.strides_as(_getintp_ctype())
|
||||
|
||||
@property
|
||||
def _as_parameter_(self):
|
||||
"""
|
||||
Overrides the ctypes semi-magic method
|
||||
|
||||
Enables `c_func(some_array.ctypes)`
|
||||
"""
|
||||
return self.data_as(ctypes.c_void_p)
|
||||
|
||||
# kept for compatibility
|
||||
get_data = data.fget
|
||||
get_shape = shape.fget
|
||||
get_strides = strides.fget
|
||||
get_as_parameter = _as_parameter_.fget
|
||||
|
||||
|
||||
def _newnames(datatype, order):
|
||||
"""
|
||||
Given a datatype and an order object, return a new names tuple, with the
|
||||
order indicated
|
||||
"""
|
||||
oldnames = datatype.names
|
||||
nameslist = list(oldnames)
|
||||
if isinstance(order, (str, unicode)):
|
||||
order = [order]
|
||||
seen = set()
|
||||
if isinstance(order, (list, tuple)):
|
||||
for name in order:
|
||||
try:
|
||||
nameslist.remove(name)
|
||||
except ValueError:
|
||||
if name in seen:
|
||||
raise ValueError("duplicate field name: %s" % (name,))
|
||||
else:
|
||||
raise ValueError("unknown field name: %s" % (name,))
|
||||
seen.add(name)
|
||||
return tuple(list(order) + nameslist)
|
||||
raise ValueError("unsupported order value: %s" % (order,))
|
||||
|
||||
def _copy_fields(ary):
|
||||
"""Return copy of structured array with padding between fields removed.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
ary : ndarray
|
||||
Structured array from which to remove padding bytes
|
||||
|
||||
Returns
|
||||
-------
|
||||
ary_copy : ndarray
|
||||
Copy of ary with padding bytes removed
|
||||
"""
|
||||
dt = ary.dtype
|
||||
copy_dtype = {'names': dt.names,
|
||||
'formats': [dt.fields[name][0] for name in dt.names]}
|
||||
return array(ary, dtype=copy_dtype, copy=True)
|
||||
|
||||
def _getfield_is_safe(oldtype, newtype, offset):
|
||||
""" Checks safety of getfield for object arrays.
|
||||
|
||||
As in _view_is_safe, we need to check that memory containing objects is not
|
||||
reinterpreted as a non-object datatype and vice versa.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
oldtype : data-type
|
||||
Data type of the original ndarray.
|
||||
newtype : data-type
|
||||
Data type of the field being accessed by ndarray.getfield
|
||||
offset : int
|
||||
Offset of the field being accessed by ndarray.getfield
|
||||
|
||||
Raises
|
||||
------
|
||||
TypeError
|
||||
If the field access is invalid
|
||||
|
||||
"""
|
||||
if newtype.hasobject or oldtype.hasobject:
|
||||
if offset == 0 and newtype == oldtype:
|
||||
return
|
||||
if oldtype.names is not None:
|
||||
for name in oldtype.names:
|
||||
if (oldtype.fields[name][1] == offset and
|
||||
oldtype.fields[name][0] == newtype):
|
||||
return
|
||||
raise TypeError("Cannot get/set field of an object array")
|
||||
return
|
||||
|
||||
def _view_is_safe(oldtype, newtype):
|
||||
""" Checks safety of a view involving object arrays, for example when
|
||||
doing::
|
||||
|
||||
np.zeros(10, dtype=oldtype).view(newtype)
|
||||
|
||||
Parameters
|
||||
----------
|
||||
oldtype : data-type
|
||||
Data type of original ndarray
|
||||
newtype : data-type
|
||||
Data type of the view
|
||||
|
||||
Raises
|
||||
------
|
||||
TypeError
|
||||
If the new type is incompatible with the old type.
|
||||
|
||||
"""
|
||||
|
||||
# if the types are equivalent, there is no problem.
|
||||
# for example: dtype((np.record, 'i4,i4')) == dtype((np.void, 'i4,i4'))
|
||||
if oldtype == newtype:
|
||||
return
|
||||
|
||||
if newtype.hasobject or oldtype.hasobject:
|
||||
raise TypeError("Cannot change data-type for object array.")
|
||||
return
|
||||
|
||||
# Given a string containing a PEP 3118 format specifier,
|
||||
# construct a NumPy dtype
|
||||
|
||||
_pep3118_native_map = {
|
||||
'?': '?',
|
||||
'c': 'S1',
|
||||
'b': 'b',
|
||||
'B': 'B',
|
||||
'h': 'h',
|
||||
'H': 'H',
|
||||
'i': 'i',
|
||||
'I': 'I',
|
||||
'l': 'l',
|
||||
'L': 'L',
|
||||
'q': 'q',
|
||||
'Q': 'Q',
|
||||
'e': 'e',
|
||||
'f': 'f',
|
||||
'd': 'd',
|
||||
'g': 'g',
|
||||
'Zf': 'F',
|
||||
'Zd': 'D',
|
||||
'Zg': 'G',
|
||||
's': 'S',
|
||||
'w': 'U',
|
||||
'O': 'O',
|
||||
'x': 'V', # padding
|
||||
}
|
||||
_pep3118_native_typechars = ''.join(_pep3118_native_map.keys())
|
||||
|
||||
_pep3118_standard_map = {
|
||||
'?': '?',
|
||||
'c': 'S1',
|
||||
'b': 'b',
|
||||
'B': 'B',
|
||||
'h': 'i2',
|
||||
'H': 'u2',
|
||||
'i': 'i4',
|
||||
'I': 'u4',
|
||||
'l': 'i4',
|
||||
'L': 'u4',
|
||||
'q': 'i8',
|
||||
'Q': 'u8',
|
||||
'e': 'f2',
|
||||
'f': 'f',
|
||||
'd': 'd',
|
||||
'Zf': 'F',
|
||||
'Zd': 'D',
|
||||
's': 'S',
|
||||
'w': 'U',
|
||||
'O': 'O',
|
||||
'x': 'V', # padding
|
||||
}
|
||||
_pep3118_standard_typechars = ''.join(_pep3118_standard_map.keys())
|
||||
|
||||
_pep3118_unsupported_map = {
|
||||
'u': 'UCS-2 strings',
|
||||
'&': 'pointers',
|
||||
't': 'bitfields',
|
||||
'X': 'function pointers',
|
||||
}
|
||||
|
||||
class _Stream(object):
|
||||
def __init__(self, s):
|
||||
self.s = s
|
||||
self.byteorder = '@'
|
||||
|
||||
def advance(self, n):
|
||||
res = self.s[:n]
|
||||
self.s = self.s[n:]
|
||||
return res
|
||||
|
||||
def consume(self, c):
|
||||
if self.s[:len(c)] == c:
|
||||
self.advance(len(c))
|
||||
return True
|
||||
return False
|
||||
|
||||
def consume_until(self, c):
|
||||
if callable(c):
|
||||
i = 0
|
||||
while i < len(self.s) and not c(self.s[i]):
|
||||
i = i + 1
|
||||
return self.advance(i)
|
||||
else:
|
||||
i = self.s.index(c)
|
||||
res = self.advance(i)
|
||||
self.advance(len(c))
|
||||
return res
|
||||
|
||||
@property
|
||||
def next(self):
|
||||
return self.s[0]
|
||||
|
||||
def __bool__(self):
|
||||
return bool(self.s)
|
||||
__nonzero__ = __bool__
|
||||
|
||||
|
||||
def _dtype_from_pep3118(spec):
|
||||
stream = _Stream(spec)
|
||||
dtype, align = __dtype_from_pep3118(stream, is_subdtype=False)
|
||||
return dtype
|
||||
|
||||
def __dtype_from_pep3118(stream, is_subdtype):
|
||||
field_spec = dict(
|
||||
names=[],
|
||||
formats=[],
|
||||
offsets=[],
|
||||
itemsize=0
|
||||
)
|
||||
offset = 0
|
||||
common_alignment = 1
|
||||
is_padding = False
|
||||
|
||||
# Parse spec
|
||||
while stream:
|
||||
value = None
|
||||
|
||||
# End of structure, bail out to upper level
|
||||
if stream.consume('}'):
|
||||
break
|
||||
|
||||
# Sub-arrays (1)
|
||||
shape = None
|
||||
if stream.consume('('):
|
||||
shape = stream.consume_until(')')
|
||||
shape = tuple(map(int, shape.split(',')))
|
||||
|
||||
# Byte order
|
||||
if stream.next in ('@', '=', '<', '>', '^', '!'):
|
||||
byteorder = stream.advance(1)
|
||||
if byteorder == '!':
|
||||
byteorder = '>'
|
||||
stream.byteorder = byteorder
|
||||
|
||||
# Byte order characters also control native vs. standard type sizes
|
||||
if stream.byteorder in ('@', '^'):
|
||||
type_map = _pep3118_native_map
|
||||
type_map_chars = _pep3118_native_typechars
|
||||
else:
|
||||
type_map = _pep3118_standard_map
|
||||
type_map_chars = _pep3118_standard_typechars
|
||||
|
||||
# Item sizes
|
||||
itemsize_str = stream.consume_until(lambda c: not c.isdigit())
|
||||
if itemsize_str:
|
||||
itemsize = int(itemsize_str)
|
||||
else:
|
||||
itemsize = 1
|
||||
|
||||
# Data types
|
||||
is_padding = False
|
||||
|
||||
if stream.consume('T{'):
|
||||
value, align = __dtype_from_pep3118(
|
||||
stream, is_subdtype=True)
|
||||
elif stream.next in type_map_chars:
|
||||
if stream.next == 'Z':
|
||||
typechar = stream.advance(2)
|
||||
else:
|
||||
typechar = stream.advance(1)
|
||||
|
||||
is_padding = (typechar == 'x')
|
||||
dtypechar = type_map[typechar]
|
||||
if dtypechar in 'USV':
|
||||
dtypechar += '%d' % itemsize
|
||||
itemsize = 1
|
||||
numpy_byteorder = {'@': '=', '^': '='}.get(
|
||||
stream.byteorder, stream.byteorder)
|
||||
value = dtype(numpy_byteorder + dtypechar)
|
||||
align = value.alignment
|
||||
elif stream.next in _pep3118_unsupported_map:
|
||||
desc = _pep3118_unsupported_map[stream.next]
|
||||
raise NotImplementedError(
|
||||
"Unrepresentable PEP 3118 data type {!r} ({})"
|
||||
.format(stream.next, desc))
|
||||
else:
|
||||
raise ValueError("Unknown PEP 3118 data type specifier %r" % stream.s)
|
||||
|
||||
#
|
||||
# Native alignment may require padding
|
||||
#
|
||||
# Here we assume that the presence of a '@' character implicitly implies
|
||||
# that the start of the array is *already* aligned.
|
||||
#
|
||||
extra_offset = 0
|
||||
if stream.byteorder == '@':
|
||||
start_padding = (-offset) % align
|
||||
intra_padding = (-value.itemsize) % align
|
||||
|
||||
offset += start_padding
|
||||
|
||||
if intra_padding != 0:
|
||||
if itemsize > 1 or (shape is not None and _prod(shape) > 1):
|
||||
# Inject internal padding to the end of the sub-item
|
||||
value = _add_trailing_padding(value, intra_padding)
|
||||
else:
|
||||
# We can postpone the injection of internal padding,
|
||||
# as the item appears at most once
|
||||
extra_offset += intra_padding
|
||||
|
||||
# Update common alignment
|
||||
common_alignment = _lcm(align, common_alignment)
|
||||
|
||||
# Convert itemsize to sub-array
|
||||
if itemsize != 1:
|
||||
value = dtype((value, (itemsize,)))
|
||||
|
||||
# Sub-arrays (2)
|
||||
if shape is not None:
|
||||
value = dtype((value, shape))
|
||||
|
||||
# Field name
|
||||
if stream.consume(':'):
|
||||
name = stream.consume_until(':')
|
||||
else:
|
||||
name = None
|
||||
|
||||
if not (is_padding and name is None):
|
||||
if name is not None and name in field_spec['names']:
|
||||
raise RuntimeError("Duplicate field name '%s' in PEP3118 format"
|
||||
% name)
|
||||
field_spec['names'].append(name)
|
||||
field_spec['formats'].append(value)
|
||||
field_spec['offsets'].append(offset)
|
||||
|
||||
offset += value.itemsize
|
||||
offset += extra_offset
|
||||
|
||||
field_spec['itemsize'] = offset
|
||||
|
||||
# extra final padding for aligned types
|
||||
if stream.byteorder == '@':
|
||||
field_spec['itemsize'] += (-offset) % common_alignment
|
||||
|
||||
# Check if this was a simple 1-item type, and unwrap it
|
||||
if (field_spec['names'] == [None]
|
||||
and field_spec['offsets'][0] == 0
|
||||
and field_spec['itemsize'] == field_spec['formats'][0].itemsize
|
||||
and not is_subdtype):
|
||||
ret = field_spec['formats'][0]
|
||||
else:
|
||||
_fix_names(field_spec)
|
||||
ret = dtype(field_spec)
|
||||
|
||||
# Finished
|
||||
return ret, common_alignment
|
||||
|
||||
def _fix_names(field_spec):
|
||||
""" Replace names which are None with the next unused f%d name """
|
||||
names = field_spec['names']
|
||||
for i, name in enumerate(names):
|
||||
if name is not None:
|
||||
continue
|
||||
|
||||
j = 0
|
||||
while True:
|
||||
name = 'f{}'.format(j)
|
||||
if name not in names:
|
||||
break
|
||||
j = j + 1
|
||||
names[i] = name
|
||||
|
||||
def _add_trailing_padding(value, padding):
|
||||
"""Inject the specified number of padding bytes at the end of a dtype"""
|
||||
if value.fields is None:
|
||||
field_spec = dict(
|
||||
names=['f0'],
|
||||
formats=[value],
|
||||
offsets=[0],
|
||||
itemsize=value.itemsize
|
||||
)
|
||||
else:
|
||||
fields = value.fields
|
||||
names = value.names
|
||||
field_spec = dict(
|
||||
names=names,
|
||||
formats=[fields[name][0] for name in names],
|
||||
offsets=[fields[name][1] for name in names],
|
||||
itemsize=value.itemsize
|
||||
)
|
||||
|
||||
field_spec['itemsize'] += padding
|
||||
return dtype(field_spec)
|
||||
|
||||
def _prod(a):
|
||||
p = 1
|
||||
for x in a:
|
||||
p *= x
|
||||
return p
|
||||
|
||||
def _gcd(a, b):
|
||||
"""Calculate the greatest common divisor of a and b"""
|
||||
while b:
|
||||
a, b = b, a % b
|
||||
return a
|
||||
|
||||
def _lcm(a, b):
|
||||
return a // _gcd(a, b) * b
|
||||
|
||||
def array_ufunc_errmsg_formatter(dummy, ufunc, method, *inputs, **kwargs):
|
||||
""" Format the error message for when __array_ufunc__ gives up. """
|
||||
args_string = ', '.join(['{!r}'.format(arg) for arg in inputs] +
|
||||
['{}={!r}'.format(k, v)
|
||||
for k, v in kwargs.items()])
|
||||
args = inputs + kwargs.get('out', ())
|
||||
types_string = ', '.join(repr(type(arg).__name__) for arg in args)
|
||||
return ('operand type(s) all returned NotImplemented from '
|
||||
'__array_ufunc__({!r}, {!r}, {}): {}'
|
||||
.format(ufunc, method, args_string, types_string))
|
||||
|
||||
|
||||
def array_function_errmsg_formatter(public_api, types):
|
||||
""" Format the error message for when __array_ufunc__ gives up. """
|
||||
func_name = '{}.{}'.format(public_api.__module__, public_api.__name__)
|
||||
return ("no implementation found for '{}' on types that implement "
|
||||
'__array_function__: {}'.format(func_name, list(types)))
|
||||
|
||||
|
||||
def _ufunc_doc_signature_formatter(ufunc):
|
||||
"""
|
||||
Builds a signature string which resembles PEP 457
|
||||
|
||||
This is used to construct the first line of the docstring
|
||||
"""
|
||||
|
||||
# input arguments are simple
|
||||
if ufunc.nin == 1:
|
||||
in_args = 'x'
|
||||
else:
|
||||
in_args = ', '.join('x{}'.format(i+1) for i in range(ufunc.nin))
|
||||
|
||||
# output arguments are both keyword or positional
|
||||
if ufunc.nout == 0:
|
||||
out_args = ', /, out=()'
|
||||
elif ufunc.nout == 1:
|
||||
out_args = ', /, out=None'
|
||||
else:
|
||||
out_args = '[, {positional}], / [, out={default}]'.format(
|
||||
positional=', '.join(
|
||||
'out{}'.format(i+1) for i in range(ufunc.nout)),
|
||||
default=repr((None,)*ufunc.nout)
|
||||
)
|
||||
|
||||
# keyword only args depend on whether this is a gufunc
|
||||
kwargs = (
|
||||
", casting='same_kind'"
|
||||
", order='K'"
|
||||
", dtype=None"
|
||||
", subok=True"
|
||||
"[, signature"
|
||||
", extobj]"
|
||||
)
|
||||
if ufunc.signature is None:
|
||||
kwargs = ", where=True" + kwargs
|
||||
|
||||
# join all the parts together
|
||||
return '{name}({in_args}{out_args}, *{kwargs})'.format(
|
||||
name=ufunc.__name__,
|
||||
in_args=in_args,
|
||||
out_args=out_args,
|
||||
kwargs=kwargs
|
||||
)
|
||||
|
||||
|
||||
def npy_ctypes_check(cls):
|
||||
# determine if a class comes from ctypes, in order to work around
|
||||
# a bug in the buffer protocol for those objects, bpo-10746
|
||||
try:
|
||||
# ctypes class are new-style, so have an __mro__. This probably fails
|
||||
# for ctypes classes with multiple inheritance.
|
||||
if IS_PYPY:
|
||||
# (..., _ctypes.basics._CData, Bufferable, object)
|
||||
ctype_base = cls.__mro__[-3]
|
||||
else:
|
||||
# # (..., _ctypes._CData, object)
|
||||
ctype_base = cls.__mro__[-2]
|
||||
# right now, they're part of the _ctypes module
|
||||
return 'ctypes' in ctype_base.__module__
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
|
||||
class recursive(object):
|
||||
'''
|
||||
A decorator class for recursive nested functions.
|
||||
Naive recursive nested functions hold a reference to themselves:
|
||||
|
||||
def outer(*args):
|
||||
def stringify_leaky(arg0, *arg1):
|
||||
if len(arg1) > 0:
|
||||
return stringify_leaky(*arg1) # <- HERE
|
||||
return str(arg0)
|
||||
stringify_leaky(*args)
|
||||
|
||||
This design pattern creates a reference cycle that is difficult for a
|
||||
garbage collector to resolve. The decorator class prevents the
|
||||
cycle by passing the nested function in as an argument `self`:
|
||||
|
||||
def outer(*args):
|
||||
@recursive
|
||||
def stringify(self, arg0, *arg1):
|
||||
if len(arg1) > 0:
|
||||
return self(*arg1)
|
||||
return str(arg0)
|
||||
stringify(*args)
|
||||
|
||||
'''
|
||||
def __init__(self, func):
|
||||
self.func = func
|
||||
def __call__(self, *args, **kwargs):
|
||||
return self.func(self, *args, **kwargs)
|
||||
|
||||
@ -0,0 +1,244 @@
|
||||
"""
|
||||
Array methods which are called by both the C-code for the method
|
||||
and the Python code for the NumPy-namespace function
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import warnings
|
||||
|
||||
from numpy.core import multiarray as mu
|
||||
from numpy.core import umath as um
|
||||
from numpy.core._asarray import asanyarray
|
||||
from numpy.core import numerictypes as nt
|
||||
from numpy.core import _exceptions
|
||||
from numpy._globals import _NoValue
|
||||
from numpy.compat import pickle, os_fspath, contextlib_nullcontext
|
||||
|
||||
# save those O(100) nanoseconds!
|
||||
umr_maximum = um.maximum.reduce
|
||||
umr_minimum = um.minimum.reduce
|
||||
umr_sum = um.add.reduce
|
||||
umr_prod = um.multiply.reduce
|
||||
umr_any = um.logical_or.reduce
|
||||
umr_all = um.logical_and.reduce
|
||||
|
||||
# avoid keyword arguments to speed up parsing, saves about 15%-20% for very
|
||||
# small reductions
|
||||
def _amax(a, axis=None, out=None, keepdims=False,
|
||||
initial=_NoValue, where=True):
|
||||
return umr_maximum(a, axis, None, out, keepdims, initial, where)
|
||||
|
||||
def _amin(a, axis=None, out=None, keepdims=False,
|
||||
initial=_NoValue, where=True):
|
||||
return umr_minimum(a, axis, None, out, keepdims, initial, where)
|
||||
|
||||
def _sum(a, axis=None, dtype=None, out=None, keepdims=False,
|
||||
initial=_NoValue, where=True):
|
||||
return umr_sum(a, axis, dtype, out, keepdims, initial, where)
|
||||
|
||||
def _prod(a, axis=None, dtype=None, out=None, keepdims=False,
|
||||
initial=_NoValue, where=True):
|
||||
return umr_prod(a, axis, dtype, out, keepdims, initial, where)
|
||||
|
||||
def _any(a, axis=None, dtype=None, out=None, keepdims=False):
|
||||
return umr_any(a, axis, dtype, out, keepdims)
|
||||
|
||||
def _all(a, axis=None, dtype=None, out=None, keepdims=False):
|
||||
return umr_all(a, axis, dtype, out, keepdims)
|
||||
|
||||
def _count_reduce_items(arr, axis):
|
||||
if axis is None:
|
||||
axis = tuple(range(arr.ndim))
|
||||
if not isinstance(axis, tuple):
|
||||
axis = (axis,)
|
||||
items = 1
|
||||
for ax in axis:
|
||||
items *= arr.shape[ax]
|
||||
return items
|
||||
|
||||
# Numpy 1.17.0, 2019-02-24
|
||||
# Various clip behavior deprecations, marked with _clip_dep as a prefix.
|
||||
|
||||
def _clip_dep_is_scalar_nan(a):
|
||||
# guarded to protect circular imports
|
||||
from numpy.core.fromnumeric import ndim
|
||||
if ndim(a) != 0:
|
||||
return False
|
||||
try:
|
||||
return um.isnan(a)
|
||||
except TypeError:
|
||||
return False
|
||||
|
||||
def _clip_dep_is_byte_swapped(a):
|
||||
if isinstance(a, mu.ndarray):
|
||||
return not a.dtype.isnative
|
||||
return False
|
||||
|
||||
def _clip_dep_invoke_with_casting(ufunc, *args, out=None, casting=None, **kwargs):
|
||||
# normal path
|
||||
if casting is not None:
|
||||
return ufunc(*args, out=out, casting=casting, **kwargs)
|
||||
|
||||
# try to deal with broken casting rules
|
||||
try:
|
||||
return ufunc(*args, out=out, **kwargs)
|
||||
except _exceptions._UFuncOutputCastingError as e:
|
||||
# Numpy 1.17.0, 2019-02-24
|
||||
warnings.warn(
|
||||
"Converting the output of clip from {!r} to {!r} is deprecated. "
|
||||
"Pass `casting=\"unsafe\"` explicitly to silence this warning, or "
|
||||
"correct the type of the variables.".format(e.from_, e.to),
|
||||
DeprecationWarning,
|
||||
stacklevel=2
|
||||
)
|
||||
return ufunc(*args, out=out, casting="unsafe", **kwargs)
|
||||
|
||||
def _clip(a, min=None, max=None, out=None, *, casting=None, **kwargs):
|
||||
if min is None and max is None:
|
||||
raise ValueError("One of max or min must be given")
|
||||
|
||||
# Numpy 1.17.0, 2019-02-24
|
||||
# This deprecation probably incurs a substantial slowdown for small arrays,
|
||||
# it will be good to get rid of it.
|
||||
if not _clip_dep_is_byte_swapped(a) and not _clip_dep_is_byte_swapped(out):
|
||||
using_deprecated_nan = False
|
||||
if _clip_dep_is_scalar_nan(min):
|
||||
min = -float('inf')
|
||||
using_deprecated_nan = True
|
||||
if _clip_dep_is_scalar_nan(max):
|
||||
max = float('inf')
|
||||
using_deprecated_nan = True
|
||||
if using_deprecated_nan:
|
||||
warnings.warn(
|
||||
"Passing `np.nan` to mean no clipping in np.clip has always "
|
||||
"been unreliable, and is now deprecated. "
|
||||
"In future, this will always return nan, like it already does "
|
||||
"when min or max are arrays that contain nan. "
|
||||
"To skip a bound, pass either None or an np.inf of an "
|
||||
"appropriate sign.",
|
||||
DeprecationWarning,
|
||||
stacklevel=2
|
||||
)
|
||||
|
||||
if min is None:
|
||||
return _clip_dep_invoke_with_casting(
|
||||
um.minimum, a, max, out=out, casting=casting, **kwargs)
|
||||
elif max is None:
|
||||
return _clip_dep_invoke_with_casting(
|
||||
um.maximum, a, min, out=out, casting=casting, **kwargs)
|
||||
else:
|
||||
return _clip_dep_invoke_with_casting(
|
||||
um.clip, a, min, max, out=out, casting=casting, **kwargs)
|
||||
|
||||
def _mean(a, axis=None, dtype=None, out=None, keepdims=False):
|
||||
arr = asanyarray(a)
|
||||
|
||||
is_float16_result = False
|
||||
rcount = _count_reduce_items(arr, axis)
|
||||
# Make this warning show up first
|
||||
if rcount == 0:
|
||||
warnings.warn("Mean of empty slice.", RuntimeWarning, stacklevel=2)
|
||||
|
||||
# Cast bool, unsigned int, and int to float64 by default
|
||||
if dtype is None:
|
||||
if issubclass(arr.dtype.type, (nt.integer, nt.bool_)):
|
||||
dtype = mu.dtype('f8')
|
||||
elif issubclass(arr.dtype.type, nt.float16):
|
||||
dtype = mu.dtype('f4')
|
||||
is_float16_result = True
|
||||
|
||||
ret = umr_sum(arr, axis, dtype, out, keepdims)
|
||||
if isinstance(ret, mu.ndarray):
|
||||
ret = um.true_divide(
|
||||
ret, rcount, out=ret, casting='unsafe', subok=False)
|
||||
if is_float16_result and out is None:
|
||||
ret = arr.dtype.type(ret)
|
||||
elif hasattr(ret, 'dtype'):
|
||||
if is_float16_result:
|
||||
ret = arr.dtype.type(ret / rcount)
|
||||
else:
|
||||
ret = ret.dtype.type(ret / rcount)
|
||||
else:
|
||||
ret = ret / rcount
|
||||
|
||||
return ret
|
||||
|
||||
def _var(a, axis=None, dtype=None, out=None, ddof=0, keepdims=False):
|
||||
arr = asanyarray(a)
|
||||
|
||||
rcount = _count_reduce_items(arr, axis)
|
||||
# Make this warning show up on top.
|
||||
if ddof >= rcount:
|
||||
warnings.warn("Degrees of freedom <= 0 for slice", RuntimeWarning,
|
||||
stacklevel=2)
|
||||
|
||||
# Cast bool, unsigned int, and int to float64 by default
|
||||
if dtype is None and issubclass(arr.dtype.type, (nt.integer, nt.bool_)):
|
||||
dtype = mu.dtype('f8')
|
||||
|
||||
# Compute the mean.
|
||||
# Note that if dtype is not of inexact type then arraymean will
|
||||
# not be either.
|
||||
arrmean = umr_sum(arr, axis, dtype, keepdims=True)
|
||||
if isinstance(arrmean, mu.ndarray):
|
||||
arrmean = um.true_divide(
|
||||
arrmean, rcount, out=arrmean, casting='unsafe', subok=False)
|
||||
else:
|
||||
arrmean = arrmean.dtype.type(arrmean / rcount)
|
||||
|
||||
# Compute sum of squared deviations from mean
|
||||
# Note that x may not be inexact and that we need it to be an array,
|
||||
# not a scalar.
|
||||
x = asanyarray(arr - arrmean)
|
||||
if issubclass(arr.dtype.type, (nt.floating, nt.integer)):
|
||||
x = um.multiply(x, x, out=x)
|
||||
else:
|
||||
x = um.multiply(x, um.conjugate(x), out=x).real
|
||||
|
||||
ret = umr_sum(x, axis, dtype, out, keepdims)
|
||||
|
||||
# Compute degrees of freedom and make sure it is not negative.
|
||||
rcount = max([rcount - ddof, 0])
|
||||
|
||||
# divide by degrees of freedom
|
||||
if isinstance(ret, mu.ndarray):
|
||||
ret = um.true_divide(
|
||||
ret, rcount, out=ret, casting='unsafe', subok=False)
|
||||
elif hasattr(ret, 'dtype'):
|
||||
ret = ret.dtype.type(ret / rcount)
|
||||
else:
|
||||
ret = ret / rcount
|
||||
|
||||
return ret
|
||||
|
||||
def _std(a, axis=None, dtype=None, out=None, ddof=0, keepdims=False):
|
||||
ret = _var(a, axis=axis, dtype=dtype, out=out, ddof=ddof,
|
||||
keepdims=keepdims)
|
||||
|
||||
if isinstance(ret, mu.ndarray):
|
||||
ret = um.sqrt(ret, out=ret)
|
||||
elif hasattr(ret, 'dtype'):
|
||||
ret = ret.dtype.type(um.sqrt(ret))
|
||||
else:
|
||||
ret = um.sqrt(ret)
|
||||
|
||||
return ret
|
||||
|
||||
def _ptp(a, axis=None, out=None, keepdims=False):
|
||||
return um.subtract(
|
||||
umr_maximum(a, axis, None, out, keepdims),
|
||||
umr_minimum(a, axis, None, None, keepdims),
|
||||
out
|
||||
)
|
||||
|
||||
def _dump(self, file, protocol=2):
|
||||
if hasattr(file, 'write'):
|
||||
ctx = contextlib_nullcontext(file)
|
||||
else:
|
||||
ctx = open(os_fspath(file), "wb")
|
||||
with ctx as f:
|
||||
pickle.dump(self, f, protocol=protocol)
|
||||
|
||||
def _dumps(self, protocol=2):
|
||||
return pickle.dumps(self, protocol=protocol)
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -0,0 +1,100 @@
|
||||
"""
|
||||
String-handling utilities to avoid locale-dependence.
|
||||
|
||||
Used primarily to generate type name aliases.
|
||||
"""
|
||||
# "import string" is costly to import!
|
||||
# Construct the translation tables directly
|
||||
# "A" = chr(65), "a" = chr(97)
|
||||
_all_chars = [chr(_m) for _m in range(256)]
|
||||
_ascii_upper = _all_chars[65:65+26]
|
||||
_ascii_lower = _all_chars[97:97+26]
|
||||
LOWER_TABLE = "".join(_all_chars[:65] + _ascii_lower + _all_chars[65+26:])
|
||||
UPPER_TABLE = "".join(_all_chars[:97] + _ascii_upper + _all_chars[97+26:])
|
||||
|
||||
|
||||
def english_lower(s):
|
||||
""" Apply English case rules to convert ASCII strings to all lower case.
|
||||
|
||||
This is an internal utility function to replace calls to str.lower() such
|
||||
that we can avoid changing behavior with changing locales. In particular,
|
||||
Turkish has distinct dotted and dotless variants of the Latin letter "I" in
|
||||
both lowercase and uppercase. Thus, "I".lower() != "i" in a "tr" locale.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
s : str
|
||||
|
||||
Returns
|
||||
-------
|
||||
lowered : str
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> from numpy.core.numerictypes import english_lower
|
||||
>>> english_lower('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_')
|
||||
'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789_'
|
||||
>>> english_lower('')
|
||||
''
|
||||
"""
|
||||
lowered = s.translate(LOWER_TABLE)
|
||||
return lowered
|
||||
|
||||
|
||||
def english_upper(s):
|
||||
""" Apply English case rules to convert ASCII strings to all upper case.
|
||||
|
||||
This is an internal utility function to replace calls to str.upper() such
|
||||
that we can avoid changing behavior with changing locales. In particular,
|
||||
Turkish has distinct dotted and dotless variants of the Latin letter "I" in
|
||||
both lowercase and uppercase. Thus, "i".upper() != "I" in a "tr" locale.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
s : str
|
||||
|
||||
Returns
|
||||
-------
|
||||
uppered : str
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> from numpy.core.numerictypes import english_upper
|
||||
>>> english_upper('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_')
|
||||
'ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_'
|
||||
>>> english_upper('')
|
||||
''
|
||||
"""
|
||||
uppered = s.translate(UPPER_TABLE)
|
||||
return uppered
|
||||
|
||||
|
||||
def english_capitalize(s):
|
||||
""" Apply English case rules to convert the first character of an ASCII
|
||||
string to upper case.
|
||||
|
||||
This is an internal utility function to replace calls to str.capitalize()
|
||||
such that we can avoid changing behavior with changing locales.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
s : str
|
||||
|
||||
Returns
|
||||
-------
|
||||
capitalized : str
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> from numpy.core.numerictypes import english_capitalize
|
||||
>>> english_capitalize('int8')
|
||||
'Int8'
|
||||
>>> english_capitalize('Int8')
|
||||
'Int8'
|
||||
>>> english_capitalize('')
|
||||
''
|
||||
"""
|
||||
if s:
|
||||
return english_upper(s[0]) + s[1:]
|
||||
else:
|
||||
return s
|
||||
Binary file not shown.
@ -0,0 +1,282 @@
|
||||
"""
|
||||
Due to compatibility, numpy has a very large number of different naming
|
||||
conventions for the scalar types (those subclassing from `numpy.generic`).
|
||||
This file produces a convoluted set of dictionaries mapping names to types,
|
||||
and sometimes other mappings too.
|
||||
|
||||
.. data:: allTypes
|
||||
A dictionary of names to types that will be exposed as attributes through
|
||||
``np.core.numerictypes.*``
|
||||
|
||||
.. data:: sctypeDict
|
||||
Similar to `allTypes`, but maps a broader set of aliases to their types.
|
||||
|
||||
.. data:: sctypeNA
|
||||
NumArray-compatible names for the scalar types. Contains not only
|
||||
``name: type`` mappings, but ``char: name`` mappings too.
|
||||
|
||||
.. deprecated:: 1.16
|
||||
|
||||
.. data:: sctypes
|
||||
A dictionary keyed by a "type group" string, providing a list of types
|
||||
under that group.
|
||||
|
||||
"""
|
||||
import warnings
|
||||
import sys
|
||||
|
||||
from numpy.compat import unicode
|
||||
from numpy._globals import VisibleDeprecationWarning
|
||||
from numpy.core._string_helpers import english_lower, english_capitalize
|
||||
from numpy.core.multiarray import typeinfo, dtype
|
||||
from numpy.core._dtype import _kind_name
|
||||
|
||||
|
||||
sctypeDict = {} # Contains all leaf-node scalar types with aliases
|
||||
class TypeNADict(dict):
|
||||
def __getitem__(self, key):
|
||||
# 2018-06-24, 1.16
|
||||
warnings.warn('sctypeNA and typeNA will be removed in v1.18 '
|
||||
'of numpy', VisibleDeprecationWarning, stacklevel=2)
|
||||
return dict.__getitem__(self, key)
|
||||
def get(self, key, default=None):
|
||||
# 2018-06-24, 1.16
|
||||
warnings.warn('sctypeNA and typeNA will be removed in v1.18 '
|
||||
'of numpy', VisibleDeprecationWarning, stacklevel=2)
|
||||
return dict.get(self, key, default)
|
||||
|
||||
sctypeNA = TypeNADict() # Contails all leaf-node types -> numarray type equivalences
|
||||
allTypes = {} # Collect the types we will add to the module
|
||||
|
||||
|
||||
# separate the actual type info from the abstract base classes
|
||||
_abstract_types = {}
|
||||
_concrete_typeinfo = {}
|
||||
for k, v in typeinfo.items():
|
||||
# make all the keys lowercase too
|
||||
k = english_lower(k)
|
||||
if isinstance(v, type):
|
||||
_abstract_types[k] = v
|
||||
else:
|
||||
_concrete_typeinfo[k] = v
|
||||
|
||||
_concrete_types = {v.type for k, v in _concrete_typeinfo.items()}
|
||||
|
||||
|
||||
def _bits_of(obj):
|
||||
try:
|
||||
info = next(v for v in _concrete_typeinfo.values() if v.type is obj)
|
||||
except StopIteration:
|
||||
if obj in _abstract_types.values():
|
||||
raise ValueError("Cannot count the bits of an abstract type")
|
||||
|
||||
# some third-party type - make a best-guess
|
||||
return dtype(obj).itemsize * 8
|
||||
else:
|
||||
return info.bits
|
||||
|
||||
|
||||
def bitname(obj):
|
||||
"""Return a bit-width name for a given type object"""
|
||||
bits = _bits_of(obj)
|
||||
dt = dtype(obj)
|
||||
char = dt.kind
|
||||
base = _kind_name(dt)
|
||||
|
||||
if base == 'object':
|
||||
bits = 0
|
||||
|
||||
if bits != 0:
|
||||
char = "%s%d" % (char, bits // 8)
|
||||
|
||||
return base, bits, char
|
||||
|
||||
|
||||
def _add_types():
|
||||
for name, info in _concrete_typeinfo.items():
|
||||
# define C-name and insert typenum and typechar references also
|
||||
allTypes[name] = info.type
|
||||
sctypeDict[name] = info.type
|
||||
sctypeDict[info.char] = info.type
|
||||
sctypeDict[info.num] = info.type
|
||||
|
||||
for name, cls in _abstract_types.items():
|
||||
allTypes[name] = cls
|
||||
_add_types()
|
||||
|
||||
# This is the priority order used to assign the bit-sized NPY_INTxx names, which
|
||||
# must match the order in npy_common.h in order for NPY_INTxx and np.intxx to be
|
||||
# consistent.
|
||||
# If two C types have the same size, then the earliest one in this list is used
|
||||
# as the sized name.
|
||||
_int_ctypes = ['long', 'longlong', 'int', 'short', 'byte']
|
||||
_uint_ctypes = list('u' + t for t in _int_ctypes)
|
||||
|
||||
def _add_aliases():
|
||||
for name, info in _concrete_typeinfo.items():
|
||||
# these are handled by _add_integer_aliases
|
||||
if name in _int_ctypes or name in _uint_ctypes:
|
||||
continue
|
||||
|
||||
# insert bit-width version for this class (if relevant)
|
||||
base, bit, char = bitname(info.type)
|
||||
|
||||
myname = "%s%d" % (base, bit)
|
||||
|
||||
# ensure that (c)longdouble does not overwrite the aliases assigned to
|
||||
# (c)double
|
||||
if name in ('longdouble', 'clongdouble') and myname in allTypes:
|
||||
continue
|
||||
|
||||
base_capitalize = english_capitalize(base)
|
||||
if base == 'complex':
|
||||
na_name = '%s%d' % (base_capitalize, bit//2)
|
||||
elif base == 'bool':
|
||||
na_name = base_capitalize
|
||||
else:
|
||||
na_name = "%s%d" % (base_capitalize, bit)
|
||||
|
||||
allTypes[myname] = info.type
|
||||
|
||||
# add mapping for both the bit name and the numarray name
|
||||
sctypeDict[myname] = info.type
|
||||
sctypeDict[na_name] = info.type
|
||||
|
||||
# add forward, reverse, and string mapping to numarray
|
||||
sctypeNA[na_name] = info.type
|
||||
sctypeNA[info.type] = na_name
|
||||
sctypeNA[info.char] = na_name
|
||||
|
||||
sctypeDict[char] = info.type
|
||||
sctypeNA[char] = na_name
|
||||
_add_aliases()
|
||||
|
||||
def _add_integer_aliases():
|
||||
seen_bits = set()
|
||||
for i_ctype, u_ctype in zip(_int_ctypes, _uint_ctypes):
|
||||
i_info = _concrete_typeinfo[i_ctype]
|
||||
u_info = _concrete_typeinfo[u_ctype]
|
||||
bits = i_info.bits # same for both
|
||||
|
||||
for info, charname, intname, Intname in [
|
||||
(i_info,'i%d' % (bits//8,), 'int%d' % bits, 'Int%d' % bits),
|
||||
(u_info,'u%d' % (bits//8,), 'uint%d' % bits, 'UInt%d' % bits)]:
|
||||
if bits not in seen_bits:
|
||||
# sometimes two different types have the same number of bits
|
||||
# if so, the one iterated over first takes precedence
|
||||
allTypes[intname] = info.type
|
||||
sctypeDict[intname] = info.type
|
||||
sctypeDict[Intname] = info.type
|
||||
sctypeDict[charname] = info.type
|
||||
sctypeNA[Intname] = info.type
|
||||
sctypeNA[charname] = info.type
|
||||
sctypeNA[info.type] = Intname
|
||||
sctypeNA[info.char] = Intname
|
||||
|
||||
seen_bits.add(bits)
|
||||
|
||||
_add_integer_aliases()
|
||||
|
||||
# We use these later
|
||||
void = allTypes['void']
|
||||
|
||||
#
|
||||
# Rework the Python names (so that float and complex and int are consistent
|
||||
# with Python usage)
|
||||
#
|
||||
def _set_up_aliases():
|
||||
type_pairs = [('complex_', 'cdouble'),
|
||||
('int0', 'intp'),
|
||||
('uint0', 'uintp'),
|
||||
('single', 'float'),
|
||||
('csingle', 'cfloat'),
|
||||
('singlecomplex', 'cfloat'),
|
||||
('float_', 'double'),
|
||||
('intc', 'int'),
|
||||
('uintc', 'uint'),
|
||||
('int_', 'long'),
|
||||
('uint', 'ulong'),
|
||||
('cfloat', 'cdouble'),
|
||||
('longfloat', 'longdouble'),
|
||||
('clongfloat', 'clongdouble'),
|
||||
('longcomplex', 'clongdouble'),
|
||||
('bool_', 'bool'),
|
||||
('bytes_', 'string'),
|
||||
('string_', 'string'),
|
||||
('unicode_', 'unicode'),
|
||||
('object_', 'object')]
|
||||
if sys.version_info[0] >= 3:
|
||||
type_pairs.extend([('str_', 'unicode')])
|
||||
else:
|
||||
type_pairs.extend([('str_', 'string')])
|
||||
for alias, t in type_pairs:
|
||||
allTypes[alias] = allTypes[t]
|
||||
sctypeDict[alias] = sctypeDict[t]
|
||||
# Remove aliases overriding python types and modules
|
||||
to_remove = ['ulong', 'object', 'int', 'float',
|
||||
'complex', 'bool', 'string', 'datetime', 'timedelta']
|
||||
if sys.version_info[0] >= 3:
|
||||
to_remove.extend(['bytes', 'str'])
|
||||
else:
|
||||
to_remove.extend(['unicode', 'long'])
|
||||
|
||||
for t in to_remove:
|
||||
try:
|
||||
del allTypes[t]
|
||||
del sctypeDict[t]
|
||||
except KeyError:
|
||||
pass
|
||||
_set_up_aliases()
|
||||
|
||||
|
||||
sctypes = {'int': [],
|
||||
'uint':[],
|
||||
'float':[],
|
||||
'complex':[],
|
||||
'others':[bool, object, bytes, unicode, void]}
|
||||
|
||||
def _add_array_type(typename, bits):
|
||||
try:
|
||||
t = allTypes['%s%d' % (typename, bits)]
|
||||
except KeyError:
|
||||
pass
|
||||
else:
|
||||
sctypes[typename].append(t)
|
||||
|
||||
def _set_array_types():
|
||||
ibytes = [1, 2, 4, 8, 16, 32, 64]
|
||||
fbytes = [2, 4, 8, 10, 12, 16, 32, 64]
|
||||
for bytes in ibytes:
|
||||
bits = 8*bytes
|
||||
_add_array_type('int', bits)
|
||||
_add_array_type('uint', bits)
|
||||
for bytes in fbytes:
|
||||
bits = 8*bytes
|
||||
_add_array_type('float', bits)
|
||||
_add_array_type('complex', 2*bits)
|
||||
_gi = dtype('p')
|
||||
if _gi.type not in sctypes['int']:
|
||||
indx = 0
|
||||
sz = _gi.itemsize
|
||||
_lst = sctypes['int']
|
||||
while (indx < len(_lst) and sz >= _lst[indx](0).itemsize):
|
||||
indx += 1
|
||||
sctypes['int'].insert(indx, _gi.type)
|
||||
sctypes['uint'].insert(indx, dtype('P').type)
|
||||
_set_array_types()
|
||||
|
||||
|
||||
# Add additional strings to the sctypeDict
|
||||
_toadd = ['int', 'float', 'complex', 'bool', 'object']
|
||||
if sys.version_info[0] >= 3:
|
||||
_toadd.extend(['str', 'bytes', ('a', 'bytes_')])
|
||||
else:
|
||||
_toadd.extend(['string', ('str', 'string_'), 'unicode', ('a', 'string_')])
|
||||
|
||||
for name in _toadd:
|
||||
if isinstance(name, tuple):
|
||||
sctypeDict[name[0]] = allTypes[name[1]]
|
||||
else:
|
||||
sctypeDict[name] = allTypes['%s_' % name]
|
||||
|
||||
del _toadd, name
|
||||
@ -0,0 +1,458 @@
|
||||
"""
|
||||
Functions for changing global ufunc configuration
|
||||
|
||||
This provides helpers which wrap `umath.geterrobj` and `umath.seterrobj`
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
try:
|
||||
# Accessing collections abstract classes from collections
|
||||
# has been deprecated since Python 3.3
|
||||
import collections.abc as collections_abc
|
||||
except ImportError:
|
||||
import collections as collections_abc
|
||||
import contextlib
|
||||
|
||||
from .overrides import set_module
|
||||
from .umath import (
|
||||
UFUNC_BUFSIZE_DEFAULT,
|
||||
ERR_IGNORE, ERR_WARN, ERR_RAISE, ERR_CALL, ERR_PRINT, ERR_LOG, ERR_DEFAULT,
|
||||
SHIFT_DIVIDEBYZERO, SHIFT_OVERFLOW, SHIFT_UNDERFLOW, SHIFT_INVALID,
|
||||
)
|
||||
from . import umath
|
||||
|
||||
__all__ = [
|
||||
"seterr", "geterr", "setbufsize", "getbufsize", "seterrcall", "geterrcall",
|
||||
"errstate",
|
||||
]
|
||||
|
||||
_errdict = {"ignore": ERR_IGNORE,
|
||||
"warn": ERR_WARN,
|
||||
"raise": ERR_RAISE,
|
||||
"call": ERR_CALL,
|
||||
"print": ERR_PRINT,
|
||||
"log": ERR_LOG}
|
||||
|
||||
_errdict_rev = {value: key for key, value in _errdict.items()}
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def seterr(all=None, divide=None, over=None, under=None, invalid=None):
|
||||
"""
|
||||
Set how floating-point errors are handled.
|
||||
|
||||
Note that operations on integer scalar types (such as `int16`) are
|
||||
handled like floating point, and are affected by these settings.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
all : {'ignore', 'warn', 'raise', 'call', 'print', 'log'}, optional
|
||||
Set treatment for all types of floating-point errors at once:
|
||||
|
||||
- ignore: Take no action when the exception occurs.
|
||||
- warn: Print a `RuntimeWarning` (via the Python `warnings` module).
|
||||
- raise: Raise a `FloatingPointError`.
|
||||
- call: Call a function specified using the `seterrcall` function.
|
||||
- print: Print a warning directly to ``stdout``.
|
||||
- log: Record error in a Log object specified by `seterrcall`.
|
||||
|
||||
The default is not to change the current behavior.
|
||||
divide : {'ignore', 'warn', 'raise', 'call', 'print', 'log'}, optional
|
||||
Treatment for division by zero.
|
||||
over : {'ignore', 'warn', 'raise', 'call', 'print', 'log'}, optional
|
||||
Treatment for floating-point overflow.
|
||||
under : {'ignore', 'warn', 'raise', 'call', 'print', 'log'}, optional
|
||||
Treatment for floating-point underflow.
|
||||
invalid : {'ignore', 'warn', 'raise', 'call', 'print', 'log'}, optional
|
||||
Treatment for invalid floating-point operation.
|
||||
|
||||
Returns
|
||||
-------
|
||||
old_settings : dict
|
||||
Dictionary containing the old settings.
|
||||
|
||||
See also
|
||||
--------
|
||||
seterrcall : Set a callback function for the 'call' mode.
|
||||
geterr, geterrcall, errstate
|
||||
|
||||
Notes
|
||||
-----
|
||||
The floating-point exceptions are defined in the IEEE 754 standard [1]_:
|
||||
|
||||
- Division by zero: infinite result obtained from finite numbers.
|
||||
- Overflow: result too large to be expressed.
|
||||
- Underflow: result so close to zero that some precision
|
||||
was lost.
|
||||
- Invalid operation: result is not an expressible number, typically
|
||||
indicates that a NaN was produced.
|
||||
|
||||
.. [1] https://en.wikipedia.org/wiki/IEEE_754
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> old_settings = np.seterr(all='ignore') #seterr to known value
|
||||
>>> np.seterr(over='raise')
|
||||
{'divide': 'ignore', 'over': 'ignore', 'under': 'ignore', 'invalid': 'ignore'}
|
||||
>>> np.seterr(**old_settings) # reset to default
|
||||
{'divide': 'ignore', 'over': 'raise', 'under': 'ignore', 'invalid': 'ignore'}
|
||||
|
||||
>>> np.int16(32000) * np.int16(3)
|
||||
30464
|
||||
>>> old_settings = np.seterr(all='warn', over='raise')
|
||||
>>> np.int16(32000) * np.int16(3)
|
||||
Traceback (most recent call last):
|
||||
File "<stdin>", line 1, in <module>
|
||||
FloatingPointError: overflow encountered in short_scalars
|
||||
|
||||
>>> from collections import OrderedDict
|
||||
>>> old_settings = np.seterr(all='print')
|
||||
>>> OrderedDict(np.geterr())
|
||||
OrderedDict([('divide', 'print'), ('over', 'print'), ('under', 'print'), ('invalid', 'print')])
|
||||
>>> np.int16(32000) * np.int16(3)
|
||||
30464
|
||||
|
||||
"""
|
||||
|
||||
pyvals = umath.geterrobj()
|
||||
old = geterr()
|
||||
|
||||
if divide is None:
|
||||
divide = all or old['divide']
|
||||
if over is None:
|
||||
over = all or old['over']
|
||||
if under is None:
|
||||
under = all or old['under']
|
||||
if invalid is None:
|
||||
invalid = all or old['invalid']
|
||||
|
||||
maskvalue = ((_errdict[divide] << SHIFT_DIVIDEBYZERO) +
|
||||
(_errdict[over] << SHIFT_OVERFLOW) +
|
||||
(_errdict[under] << SHIFT_UNDERFLOW) +
|
||||
(_errdict[invalid] << SHIFT_INVALID))
|
||||
|
||||
pyvals[1] = maskvalue
|
||||
umath.seterrobj(pyvals)
|
||||
return old
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def geterr():
|
||||
"""
|
||||
Get the current way of handling floating-point errors.
|
||||
|
||||
Returns
|
||||
-------
|
||||
res : dict
|
||||
A dictionary with keys "divide", "over", "under", and "invalid",
|
||||
whose values are from the strings "ignore", "print", "log", "warn",
|
||||
"raise", and "call". The keys represent possible floating-point
|
||||
exceptions, and the values define how these exceptions are handled.
|
||||
|
||||
See Also
|
||||
--------
|
||||
geterrcall, seterr, seterrcall
|
||||
|
||||
Notes
|
||||
-----
|
||||
For complete documentation of the types of floating-point exceptions and
|
||||
treatment options, see `seterr`.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> from collections import OrderedDict
|
||||
>>> sorted(np.geterr().items())
|
||||
[('divide', 'warn'), ('invalid', 'warn'), ('over', 'warn'), ('under', 'ignore')]
|
||||
>>> np.arange(3.) / np.arange(3.)
|
||||
array([nan, 1., 1.])
|
||||
|
||||
>>> oldsettings = np.seterr(all='warn', over='raise')
|
||||
>>> OrderedDict(sorted(np.geterr().items()))
|
||||
OrderedDict([('divide', 'warn'), ('invalid', 'warn'), ('over', 'raise'), ('under', 'warn')])
|
||||
>>> np.arange(3.) / np.arange(3.)
|
||||
array([nan, 1., 1.])
|
||||
|
||||
"""
|
||||
maskvalue = umath.geterrobj()[1]
|
||||
mask = 7
|
||||
res = {}
|
||||
val = (maskvalue >> SHIFT_DIVIDEBYZERO) & mask
|
||||
res['divide'] = _errdict_rev[val]
|
||||
val = (maskvalue >> SHIFT_OVERFLOW) & mask
|
||||
res['over'] = _errdict_rev[val]
|
||||
val = (maskvalue >> SHIFT_UNDERFLOW) & mask
|
||||
res['under'] = _errdict_rev[val]
|
||||
val = (maskvalue >> SHIFT_INVALID) & mask
|
||||
res['invalid'] = _errdict_rev[val]
|
||||
return res
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def setbufsize(size):
|
||||
"""
|
||||
Set the size of the buffer used in ufuncs.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
size : int
|
||||
Size of buffer.
|
||||
|
||||
"""
|
||||
if size > 10e6:
|
||||
raise ValueError("Buffer size, %s, is too big." % size)
|
||||
if size < 5:
|
||||
raise ValueError("Buffer size, %s, is too small." % size)
|
||||
if size % 16 != 0:
|
||||
raise ValueError("Buffer size, %s, is not a multiple of 16." % size)
|
||||
|
||||
pyvals = umath.geterrobj()
|
||||
old = getbufsize()
|
||||
pyvals[0] = size
|
||||
umath.seterrobj(pyvals)
|
||||
return old
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def getbufsize():
|
||||
"""
|
||||
Return the size of the buffer used in ufuncs.
|
||||
|
||||
Returns
|
||||
-------
|
||||
getbufsize : int
|
||||
Size of ufunc buffer in bytes.
|
||||
|
||||
"""
|
||||
return umath.geterrobj()[0]
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def seterrcall(func):
|
||||
"""
|
||||
Set the floating-point error callback function or log object.
|
||||
|
||||
There are two ways to capture floating-point error messages. The first
|
||||
is to set the error-handler to 'call', using `seterr`. Then, set
|
||||
the function to call using this function.
|
||||
|
||||
The second is to set the error-handler to 'log', using `seterr`.
|
||||
Floating-point errors then trigger a call to the 'write' method of
|
||||
the provided object.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
func : callable f(err, flag) or object with write method
|
||||
Function to call upon floating-point errors ('call'-mode) or
|
||||
object whose 'write' method is used to log such message ('log'-mode).
|
||||
|
||||
The call function takes two arguments. The first is a string describing
|
||||
the type of error (such as "divide by zero", "overflow", "underflow",
|
||||
or "invalid value"), and the second is the status flag. The flag is a
|
||||
byte, whose four least-significant bits indicate the type of error, one
|
||||
of "divide", "over", "under", "invalid"::
|
||||
|
||||
[0 0 0 0 divide over under invalid]
|
||||
|
||||
In other words, ``flags = divide + 2*over + 4*under + 8*invalid``.
|
||||
|
||||
If an object is provided, its write method should take one argument,
|
||||
a string.
|
||||
|
||||
Returns
|
||||
-------
|
||||
h : callable, log instance or None
|
||||
The old error handler.
|
||||
|
||||
See Also
|
||||
--------
|
||||
seterr, geterr, geterrcall
|
||||
|
||||
Examples
|
||||
--------
|
||||
Callback upon error:
|
||||
|
||||
>>> def err_handler(type, flag):
|
||||
... print("Floating point error (%s), with flag %s" % (type, flag))
|
||||
...
|
||||
|
||||
>>> saved_handler = np.seterrcall(err_handler)
|
||||
>>> save_err = np.seterr(all='call')
|
||||
>>> from collections import OrderedDict
|
||||
|
||||
>>> np.array([1, 2, 3]) / 0.0
|
||||
Floating point error (divide by zero), with flag 1
|
||||
array([inf, inf, inf])
|
||||
|
||||
>>> np.seterrcall(saved_handler)
|
||||
<function err_handler at 0x...>
|
||||
>>> OrderedDict(sorted(np.seterr(**save_err).items()))
|
||||
OrderedDict([('divide', 'call'), ('invalid', 'call'), ('over', 'call'), ('under', 'call')])
|
||||
|
||||
Log error message:
|
||||
|
||||
>>> class Log(object):
|
||||
... def write(self, msg):
|
||||
... print("LOG: %s" % msg)
|
||||
...
|
||||
|
||||
>>> log = Log()
|
||||
>>> saved_handler = np.seterrcall(log)
|
||||
>>> save_err = np.seterr(all='log')
|
||||
|
||||
>>> np.array([1, 2, 3]) / 0.0
|
||||
LOG: Warning: divide by zero encountered in true_divide
|
||||
array([inf, inf, inf])
|
||||
|
||||
>>> np.seterrcall(saved_handler)
|
||||
<numpy.core.numeric.Log object at 0x...>
|
||||
>>> OrderedDict(sorted(np.seterr(**save_err).items()))
|
||||
OrderedDict([('divide', 'log'), ('invalid', 'log'), ('over', 'log'), ('under', 'log')])
|
||||
|
||||
"""
|
||||
if func is not None and not isinstance(func, collections_abc.Callable):
|
||||
if not hasattr(func, 'write') or not isinstance(func.write, collections_abc.Callable):
|
||||
raise ValueError("Only callable can be used as callback")
|
||||
pyvals = umath.geterrobj()
|
||||
old = geterrcall()
|
||||
pyvals[2] = func
|
||||
umath.seterrobj(pyvals)
|
||||
return old
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
def geterrcall():
|
||||
"""
|
||||
Return the current callback function used on floating-point errors.
|
||||
|
||||
When the error handling for a floating-point error (one of "divide",
|
||||
"over", "under", or "invalid") is set to 'call' or 'log', the function
|
||||
that is called or the log instance that is written to is returned by
|
||||
`geterrcall`. This function or log instance has been set with
|
||||
`seterrcall`.
|
||||
|
||||
Returns
|
||||
-------
|
||||
errobj : callable, log instance or None
|
||||
The current error handler. If no handler was set through `seterrcall`,
|
||||
``None`` is returned.
|
||||
|
||||
See Also
|
||||
--------
|
||||
seterrcall, seterr, geterr
|
||||
|
||||
Notes
|
||||
-----
|
||||
For complete documentation of the types of floating-point exceptions and
|
||||
treatment options, see `seterr`.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> np.geterrcall() # we did not yet set a handler, returns None
|
||||
|
||||
>>> oldsettings = np.seterr(all='call')
|
||||
>>> def err_handler(type, flag):
|
||||
... print("Floating point error (%s), with flag %s" % (type, flag))
|
||||
>>> oldhandler = np.seterrcall(err_handler)
|
||||
>>> np.array([1, 2, 3]) / 0.0
|
||||
Floating point error (divide by zero), with flag 1
|
||||
array([inf, inf, inf])
|
||||
|
||||
>>> cur_handler = np.geterrcall()
|
||||
>>> cur_handler is err_handler
|
||||
True
|
||||
|
||||
"""
|
||||
return umath.geterrobj()[2]
|
||||
|
||||
|
||||
class _unspecified(object):
|
||||
pass
|
||||
|
||||
|
||||
_Unspecified = _unspecified()
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
class errstate(contextlib.ContextDecorator):
|
||||
"""
|
||||
errstate(**kwargs)
|
||||
|
||||
Context manager for floating-point error handling.
|
||||
|
||||
Using an instance of `errstate` as a context manager allows statements in
|
||||
that context to execute with a known error handling behavior. Upon entering
|
||||
the context the error handling is set with `seterr` and `seterrcall`, and
|
||||
upon exiting it is reset to what it was before.
|
||||
|
||||
.. versionchanged:: 1.17.0
|
||||
`errstate` is also usable as a function decorator, saving
|
||||
a level of indentation if an entire function is wrapped.
|
||||
See :py:class:`contextlib.ContextDecorator` for more information.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
kwargs : {divide, over, under, invalid}
|
||||
Keyword arguments. The valid keywords are the possible floating-point
|
||||
exceptions. Each keyword should have a string value that defines the
|
||||
treatment for the particular error. Possible values are
|
||||
{'ignore', 'warn', 'raise', 'call', 'print', 'log'}.
|
||||
|
||||
See Also
|
||||
--------
|
||||
seterr, geterr, seterrcall, geterrcall
|
||||
|
||||
Notes
|
||||
-----
|
||||
For complete documentation of the types of floating-point exceptions and
|
||||
treatment options, see `seterr`.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> from collections import OrderedDict
|
||||
>>> olderr = np.seterr(all='ignore') # Set error handling to known state.
|
||||
|
||||
>>> np.arange(3) / 0.
|
||||
array([nan, inf, inf])
|
||||
>>> with np.errstate(divide='warn'):
|
||||
... np.arange(3) / 0.
|
||||
array([nan, inf, inf])
|
||||
|
||||
>>> np.sqrt(-1)
|
||||
nan
|
||||
>>> with np.errstate(invalid='raise'):
|
||||
... np.sqrt(-1)
|
||||
Traceback (most recent call last):
|
||||
File "<stdin>", line 2, in <module>
|
||||
FloatingPointError: invalid value encountered in sqrt
|
||||
|
||||
Outside the context the error handling behavior has not changed:
|
||||
|
||||
>>> OrderedDict(sorted(np.geterr().items()))
|
||||
OrderedDict([('divide', 'ignore'), ('invalid', 'ignore'), ('over', 'ignore'), ('under', 'ignore')])
|
||||
|
||||
"""
|
||||
# Note that we don't want to run the above doctests because they will fail
|
||||
# without a from __future__ import with_statement
|
||||
|
||||
def __init__(self, **kwargs):
|
||||
self.call = kwargs.pop('call', _Unspecified)
|
||||
self.kwargs = kwargs
|
||||
|
||||
def __enter__(self):
|
||||
self.oldstate = seterr(**self.kwargs)
|
||||
if self.call is not _Unspecified:
|
||||
self.oldcall = seterrcall(self.call)
|
||||
|
||||
def __exit__(self, *exc_info):
|
||||
seterr(**self.oldstate)
|
||||
if self.call is not _Unspecified:
|
||||
seterrcall(self.oldcall)
|
||||
|
||||
|
||||
def _setdef():
|
||||
defval = [UFUNC_BUFSIZE_DEFAULT, ERR_DEFAULT, None]
|
||||
umath.seterrobj(defval)
|
||||
|
||||
|
||||
# set the default values
|
||||
_setdef()
|
||||
Binary file not shown.
1622
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/arrayprint.py
Normal file
1622
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/arrayprint.py
Normal file
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,15 @@
|
||||
"""Simple script to compute the api hash of the current API.
|
||||
|
||||
The API has is defined by numpy_api_order and ufunc_api_order.
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
from os.path import dirname
|
||||
|
||||
from code_generators.genapi import fullapi_hash
|
||||
from code_generators.numpy_api import full_api
|
||||
|
||||
if __name__ == '__main__':
|
||||
curdir = dirname(__file__)
|
||||
print(fullapi_hash(full_api))
|
||||
File diff suppressed because it is too large
Load Diff
1432
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/einsumfunc.py
Normal file
1432
SI_Projekt/venv/lib/python3.7/site-packages/numpy/core/einsumfunc.py
Normal file
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,514 @@
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
import functools
|
||||
import warnings
|
||||
import operator
|
||||
import types
|
||||
|
||||
from . import numeric as _nx
|
||||
from .numeric import (result_type, NaN, shares_memory, MAY_SHARE_BOUNDS,
|
||||
TooHardError, asanyarray, ndim)
|
||||
from numpy.core.multiarray import add_docstring
|
||||
from numpy.core import overrides
|
||||
|
||||
__all__ = ['logspace', 'linspace', 'geomspace']
|
||||
|
||||
|
||||
array_function_dispatch = functools.partial(
|
||||
overrides.array_function_dispatch, module='numpy')
|
||||
|
||||
|
||||
def _linspace_dispatcher(start, stop, num=None, endpoint=None, retstep=None,
|
||||
dtype=None, axis=None):
|
||||
return (start, stop)
|
||||
|
||||
|
||||
@array_function_dispatch(_linspace_dispatcher)
|
||||
def linspace(start, stop, num=50, endpoint=True, retstep=False, dtype=None,
|
||||
axis=0):
|
||||
"""
|
||||
Return evenly spaced numbers over a specified interval.
|
||||
|
||||
Returns `num` evenly spaced samples, calculated over the
|
||||
interval [`start`, `stop`].
|
||||
|
||||
The endpoint of the interval can optionally be excluded.
|
||||
|
||||
.. versionchanged:: 1.16.0
|
||||
Non-scalar `start` and `stop` are now supported.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
start : array_like
|
||||
The starting value of the sequence.
|
||||
stop : array_like
|
||||
The end value of the sequence, unless `endpoint` is set to False.
|
||||
In that case, the sequence consists of all but the last of ``num + 1``
|
||||
evenly spaced samples, so that `stop` is excluded. Note that the step
|
||||
size changes when `endpoint` is False.
|
||||
num : int, optional
|
||||
Number of samples to generate. Default is 50. Must be non-negative.
|
||||
endpoint : bool, optional
|
||||
If True, `stop` is the last sample. Otherwise, it is not included.
|
||||
Default is True.
|
||||
retstep : bool, optional
|
||||
If True, return (`samples`, `step`), where `step` is the spacing
|
||||
between samples.
|
||||
dtype : dtype, optional
|
||||
The type of the output array. If `dtype` is not given, infer the data
|
||||
type from the other input arguments.
|
||||
|
||||
.. versionadded:: 1.9.0
|
||||
|
||||
axis : int, optional
|
||||
The axis in the result to store the samples. Relevant only if start
|
||||
or stop are array-like. By default (0), the samples will be along a
|
||||
new axis inserted at the beginning. Use -1 to get an axis at the end.
|
||||
|
||||
.. versionadded:: 1.16.0
|
||||
|
||||
Returns
|
||||
-------
|
||||
samples : ndarray
|
||||
There are `num` equally spaced samples in the closed interval
|
||||
``[start, stop]`` or the half-open interval ``[start, stop)``
|
||||
(depending on whether `endpoint` is True or False).
|
||||
step : float, optional
|
||||
Only returned if `retstep` is True
|
||||
|
||||
Size of spacing between samples.
|
||||
|
||||
|
||||
See Also
|
||||
--------
|
||||
arange : Similar to `linspace`, but uses a step size (instead of the
|
||||
number of samples).
|
||||
geomspace : Similar to `linspace`, but with numbers spaced evenly on a log
|
||||
scale (a geometric progression).
|
||||
logspace : Similar to `geomspace`, but with the end points specified as
|
||||
logarithms.
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> np.linspace(2.0, 3.0, num=5)
|
||||
array([2. , 2.25, 2.5 , 2.75, 3. ])
|
||||
>>> np.linspace(2.0, 3.0, num=5, endpoint=False)
|
||||
array([2. , 2.2, 2.4, 2.6, 2.8])
|
||||
>>> np.linspace(2.0, 3.0, num=5, retstep=True)
|
||||
(array([2. , 2.25, 2.5 , 2.75, 3. ]), 0.25)
|
||||
|
||||
Graphical illustration:
|
||||
|
||||
>>> import matplotlib.pyplot as plt
|
||||
>>> N = 8
|
||||
>>> y = np.zeros(N)
|
||||
>>> x1 = np.linspace(0, 10, N, endpoint=True)
|
||||
>>> x2 = np.linspace(0, 10, N, endpoint=False)
|
||||
>>> plt.plot(x1, y, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.plot(x2, y + 0.5, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.ylim([-0.5, 1])
|
||||
(-0.5, 1)
|
||||
>>> plt.show()
|
||||
|
||||
"""
|
||||
try:
|
||||
num = operator.index(num)
|
||||
except TypeError:
|
||||
raise TypeError(
|
||||
"object of type {} cannot be safely interpreted as an integer."
|
||||
.format(type(num)))
|
||||
|
||||
if num < 0:
|
||||
raise ValueError("Number of samples, %s, must be non-negative." % num)
|
||||
div = (num - 1) if endpoint else num
|
||||
|
||||
# Convert float/complex array scalars to float, gh-3504
|
||||
# and make sure one can use variables that have an __array_interface__, gh-6634
|
||||
start = asanyarray(start) * 1.0
|
||||
stop = asanyarray(stop) * 1.0
|
||||
|
||||
dt = result_type(start, stop, float(num))
|
||||
if dtype is None:
|
||||
dtype = dt
|
||||
|
||||
delta = stop - start
|
||||
y = _nx.arange(0, num, dtype=dt).reshape((-1,) + (1,) * ndim(delta))
|
||||
# In-place multiplication y *= delta/div is faster, but prevents the multiplicant
|
||||
# from overriding what class is produced, and thus prevents, e.g. use of Quantities,
|
||||
# see gh-7142. Hence, we multiply in place only for standard scalar types.
|
||||
_mult_inplace = _nx.isscalar(delta)
|
||||
if div > 0:
|
||||
step = delta / div
|
||||
if _nx.any(step == 0):
|
||||
# Special handling for denormal numbers, gh-5437
|
||||
y /= div
|
||||
if _mult_inplace:
|
||||
y *= delta
|
||||
else:
|
||||
y = y * delta
|
||||
else:
|
||||
if _mult_inplace:
|
||||
y *= step
|
||||
else:
|
||||
y = y * step
|
||||
else:
|
||||
# sequences with 0 items or 1 item with endpoint=True (i.e. div <= 0)
|
||||
# have an undefined step
|
||||
step = NaN
|
||||
# Multiply with delta to allow possible override of output class.
|
||||
y = y * delta
|
||||
|
||||
y += start
|
||||
|
||||
if endpoint and num > 1:
|
||||
y[-1] = stop
|
||||
|
||||
if axis != 0:
|
||||
y = _nx.moveaxis(y, 0, axis)
|
||||
|
||||
if retstep:
|
||||
return y.astype(dtype, copy=False), step
|
||||
else:
|
||||
return y.astype(dtype, copy=False)
|
||||
|
||||
|
||||
def _logspace_dispatcher(start, stop, num=None, endpoint=None, base=None,
|
||||
dtype=None, axis=None):
|
||||
return (start, stop)
|
||||
|
||||
|
||||
@array_function_dispatch(_logspace_dispatcher)
|
||||
def logspace(start, stop, num=50, endpoint=True, base=10.0, dtype=None,
|
||||
axis=0):
|
||||
"""
|
||||
Return numbers spaced evenly on a log scale.
|
||||
|
||||
In linear space, the sequence starts at ``base ** start``
|
||||
(`base` to the power of `start`) and ends with ``base ** stop``
|
||||
(see `endpoint` below).
|
||||
|
||||
.. versionchanged:: 1.16.0
|
||||
Non-scalar `start` and `stop` are now supported.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
start : array_like
|
||||
``base ** start`` is the starting value of the sequence.
|
||||
stop : array_like
|
||||
``base ** stop`` is the final value of the sequence, unless `endpoint`
|
||||
is False. In that case, ``num + 1`` values are spaced over the
|
||||
interval in log-space, of which all but the last (a sequence of
|
||||
length `num`) are returned.
|
||||
num : integer, optional
|
||||
Number of samples to generate. Default is 50.
|
||||
endpoint : boolean, optional
|
||||
If true, `stop` is the last sample. Otherwise, it is not included.
|
||||
Default is True.
|
||||
base : float, optional
|
||||
The base of the log space. The step size between the elements in
|
||||
``ln(samples) / ln(base)`` (or ``log_base(samples)``) is uniform.
|
||||
Default is 10.0.
|
||||
dtype : dtype
|
||||
The type of the output array. If `dtype` is not given, infer the data
|
||||
type from the other input arguments.
|
||||
axis : int, optional
|
||||
The axis in the result to store the samples. Relevant only if start
|
||||
or stop are array-like. By default (0), the samples will be along a
|
||||
new axis inserted at the beginning. Use -1 to get an axis at the end.
|
||||
|
||||
.. versionadded:: 1.16.0
|
||||
|
||||
|
||||
Returns
|
||||
-------
|
||||
samples : ndarray
|
||||
`num` samples, equally spaced on a log scale.
|
||||
|
||||
See Also
|
||||
--------
|
||||
arange : Similar to linspace, with the step size specified instead of the
|
||||
number of samples. Note that, when used with a float endpoint, the
|
||||
endpoint may or may not be included.
|
||||
linspace : Similar to logspace, but with the samples uniformly distributed
|
||||
in linear space, instead of log space.
|
||||
geomspace : Similar to logspace, but with endpoints specified directly.
|
||||
|
||||
Notes
|
||||
-----
|
||||
Logspace is equivalent to the code
|
||||
|
||||
>>> y = np.linspace(start, stop, num=num, endpoint=endpoint)
|
||||
... # doctest: +SKIP
|
||||
>>> power(base, y).astype(dtype)
|
||||
... # doctest: +SKIP
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> np.logspace(2.0, 3.0, num=4)
|
||||
array([ 100. , 215.443469 , 464.15888336, 1000. ])
|
||||
>>> np.logspace(2.0, 3.0, num=4, endpoint=False)
|
||||
array([100. , 177.827941 , 316.22776602, 562.34132519])
|
||||
>>> np.logspace(2.0, 3.0, num=4, base=2.0)
|
||||
array([4. , 5.0396842 , 6.34960421, 8. ])
|
||||
|
||||
Graphical illustration:
|
||||
|
||||
>>> import matplotlib.pyplot as plt
|
||||
>>> N = 10
|
||||
>>> x1 = np.logspace(0.1, 1, N, endpoint=True)
|
||||
>>> x2 = np.logspace(0.1, 1, N, endpoint=False)
|
||||
>>> y = np.zeros(N)
|
||||
>>> plt.plot(x1, y, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.plot(x2, y + 0.5, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.ylim([-0.5, 1])
|
||||
(-0.5, 1)
|
||||
>>> plt.show()
|
||||
|
||||
"""
|
||||
y = linspace(start, stop, num=num, endpoint=endpoint, axis=axis)
|
||||
if dtype is None:
|
||||
return _nx.power(base, y)
|
||||
return _nx.power(base, y).astype(dtype, copy=False)
|
||||
|
||||
|
||||
def _geomspace_dispatcher(start, stop, num=None, endpoint=None, dtype=None,
|
||||
axis=None):
|
||||
return (start, stop)
|
||||
|
||||
|
||||
@array_function_dispatch(_geomspace_dispatcher)
|
||||
def geomspace(start, stop, num=50, endpoint=True, dtype=None, axis=0):
|
||||
"""
|
||||
Return numbers spaced evenly on a log scale (a geometric progression).
|
||||
|
||||
This is similar to `logspace`, but with endpoints specified directly.
|
||||
Each output sample is a constant multiple of the previous.
|
||||
|
||||
.. versionchanged:: 1.16.0
|
||||
Non-scalar `start` and `stop` are now supported.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
start : array_like
|
||||
The starting value of the sequence.
|
||||
stop : array_like
|
||||
The final value of the sequence, unless `endpoint` is False.
|
||||
In that case, ``num + 1`` values are spaced over the
|
||||
interval in log-space, of which all but the last (a sequence of
|
||||
length `num`) are returned.
|
||||
num : integer, optional
|
||||
Number of samples to generate. Default is 50.
|
||||
endpoint : boolean, optional
|
||||
If true, `stop` is the last sample. Otherwise, it is not included.
|
||||
Default is True.
|
||||
dtype : dtype
|
||||
The type of the output array. If `dtype` is not given, infer the data
|
||||
type from the other input arguments.
|
||||
axis : int, optional
|
||||
The axis in the result to store the samples. Relevant only if start
|
||||
or stop are array-like. By default (0), the samples will be along a
|
||||
new axis inserted at the beginning. Use -1 to get an axis at the end.
|
||||
|
||||
.. versionadded:: 1.16.0
|
||||
|
||||
Returns
|
||||
-------
|
||||
samples : ndarray
|
||||
`num` samples, equally spaced on a log scale.
|
||||
|
||||
See Also
|
||||
--------
|
||||
logspace : Similar to geomspace, but with endpoints specified using log
|
||||
and base.
|
||||
linspace : Similar to geomspace, but with arithmetic instead of geometric
|
||||
progression.
|
||||
arange : Similar to linspace, with the step size specified instead of the
|
||||
number of samples.
|
||||
|
||||
Notes
|
||||
-----
|
||||
If the inputs or dtype are complex, the output will follow a logarithmic
|
||||
spiral in the complex plane. (There are an infinite number of spirals
|
||||
passing through two points; the output will follow the shortest such path.)
|
||||
|
||||
Examples
|
||||
--------
|
||||
>>> np.geomspace(1, 1000, num=4)
|
||||
array([ 1., 10., 100., 1000.])
|
||||
>>> np.geomspace(1, 1000, num=3, endpoint=False)
|
||||
array([ 1., 10., 100.])
|
||||
>>> np.geomspace(1, 1000, num=4, endpoint=False)
|
||||
array([ 1. , 5.62341325, 31.6227766 , 177.827941 ])
|
||||
>>> np.geomspace(1, 256, num=9)
|
||||
array([ 1., 2., 4., 8., 16., 32., 64., 128., 256.])
|
||||
|
||||
Note that the above may not produce exact integers:
|
||||
|
||||
>>> np.geomspace(1, 256, num=9, dtype=int)
|
||||
array([ 1, 2, 4, 7, 16, 32, 63, 127, 256])
|
||||
>>> np.around(np.geomspace(1, 256, num=9)).astype(int)
|
||||
array([ 1, 2, 4, 8, 16, 32, 64, 128, 256])
|
||||
|
||||
Negative, decreasing, and complex inputs are allowed:
|
||||
|
||||
>>> np.geomspace(1000, 1, num=4)
|
||||
array([1000., 100., 10., 1.])
|
||||
>>> np.geomspace(-1000, -1, num=4)
|
||||
array([-1000., -100., -10., -1.])
|
||||
>>> np.geomspace(1j, 1000j, num=4) # Straight line
|
||||
array([0. +1.j, 0. +10.j, 0. +100.j, 0.+1000.j])
|
||||
>>> np.geomspace(-1+0j, 1+0j, num=5) # Circle
|
||||
array([-1.00000000e+00+1.22464680e-16j, -7.07106781e-01+7.07106781e-01j,
|
||||
6.12323400e-17+1.00000000e+00j, 7.07106781e-01+7.07106781e-01j,
|
||||
1.00000000e+00+0.00000000e+00j])
|
||||
|
||||
Graphical illustration of ``endpoint`` parameter:
|
||||
|
||||
>>> import matplotlib.pyplot as plt
|
||||
>>> N = 10
|
||||
>>> y = np.zeros(N)
|
||||
>>> plt.semilogx(np.geomspace(1, 1000, N, endpoint=True), y + 1, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.semilogx(np.geomspace(1, 1000, N, endpoint=False), y + 2, 'o')
|
||||
[<matplotlib.lines.Line2D object at 0x...>]
|
||||
>>> plt.axis([0.5, 2000, 0, 3])
|
||||
[0.5, 2000, 0, 3]
|
||||
>>> plt.grid(True, color='0.7', linestyle='-', which='both', axis='both')
|
||||
>>> plt.show()
|
||||
|
||||
"""
|
||||
start = asanyarray(start)
|
||||
stop = asanyarray(stop)
|
||||
if _nx.any(start == 0) or _nx.any(stop == 0):
|
||||
raise ValueError('Geometric sequence cannot include zero')
|
||||
|
||||
dt = result_type(start, stop, float(num), _nx.zeros((), dtype))
|
||||
if dtype is None:
|
||||
dtype = dt
|
||||
else:
|
||||
# complex to dtype('complex128'), for instance
|
||||
dtype = _nx.dtype(dtype)
|
||||
|
||||
# Promote both arguments to the same dtype in case, for instance, one is
|
||||
# complex and another is negative and log would produce NaN otherwise.
|
||||
# Copy since we may change things in-place further down.
|
||||
start = start.astype(dt, copy=True)
|
||||
stop = stop.astype(dt, copy=True)
|
||||
|
||||
out_sign = _nx.ones(_nx.broadcast(start, stop).shape, dt)
|
||||
# Avoid negligible real or imaginary parts in output by rotating to
|
||||
# positive real, calculating, then undoing rotation
|
||||
if _nx.issubdtype(dt, _nx.complexfloating):
|
||||
all_imag = (start.real == 0.) & (stop.real == 0.)
|
||||
if _nx.any(all_imag):
|
||||
start[all_imag] = start[all_imag].imag
|
||||
stop[all_imag] = stop[all_imag].imag
|
||||
out_sign[all_imag] = 1j
|
||||
|
||||
both_negative = (_nx.sign(start) == -1) & (_nx.sign(stop) == -1)
|
||||
if _nx.any(both_negative):
|
||||
_nx.negative(start, out=start, where=both_negative)
|
||||
_nx.negative(stop, out=stop, where=both_negative)
|
||||
_nx.negative(out_sign, out=out_sign, where=both_negative)
|
||||
|
||||
log_start = _nx.log10(start)
|
||||
log_stop = _nx.log10(stop)
|
||||
result = out_sign * logspace(log_start, log_stop, num=num,
|
||||
endpoint=endpoint, base=10.0, dtype=dtype)
|
||||
if axis != 0:
|
||||
result = _nx.moveaxis(result, 0, axis)
|
||||
|
||||
return result.astype(dtype, copy=False)
|
||||
|
||||
|
||||
def _needs_add_docstring(obj):
|
||||
"""
|
||||
Returns true if the only way to set the docstring of `obj` from python is
|
||||
via add_docstring.
|
||||
|
||||
This function errs on the side of being overly conservative.
|
||||
"""
|
||||
Py_TPFLAGS_HEAPTYPE = 1 << 9
|
||||
|
||||
if isinstance(obj, (types.FunctionType, types.MethodType, property)):
|
||||
return False
|
||||
|
||||
if isinstance(obj, type) and obj.__flags__ & Py_TPFLAGS_HEAPTYPE:
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
|
||||
def _add_docstring(obj, doc, warn_on_python):
|
||||
if warn_on_python and not _needs_add_docstring(obj):
|
||||
warnings.warn(
|
||||
"add_newdoc was used on a pure-python object {}. "
|
||||
"Prefer to attach it directly to the source."
|
||||
.format(obj),
|
||||
UserWarning,
|
||||
stacklevel=3)
|
||||
try:
|
||||
add_docstring(obj, doc)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
|
||||
def add_newdoc(place, obj, doc, warn_on_python=True):
|
||||
"""
|
||||
Add documentation to an existing object, typically one defined in C
|
||||
|
||||
The purpose is to allow easier editing of the docstrings without requiring
|
||||
a re-compile. This exists primarily for internal use within numpy itself.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
place : str
|
||||
The absolute name of the module to import from
|
||||
obj : str
|
||||
The name of the object to add documentation to, typically a class or
|
||||
function name
|
||||
doc : {str, Tuple[str, str], List[Tuple[str, str]]}
|
||||
If a string, the documentation to apply to `obj`
|
||||
|
||||
If a tuple, then the first element is interpreted as an attribute of
|
||||
`obj` and the second as the docstring to apply - ``(method, docstring)``
|
||||
|
||||
If a list, then each element of the list should be a tuple of length
|
||||
two - ``[(method1, docstring1), (method2, docstring2), ...]``
|
||||
warn_on_python : bool
|
||||
If True, the default, emit `UserWarning` if this is used to attach
|
||||
documentation to a pure-python object.
|
||||
|
||||
Notes
|
||||
-----
|
||||
This routine never raises an error if the docstring can't be written, but
|
||||
will raise an error if the object being documented does not exist.
|
||||
|
||||
This routine cannot modify read-only docstrings, as appear
|
||||
in new-style classes or built-in functions. Because this
|
||||
routine never raises an error the caller must check manually
|
||||
that the docstrings were changed.
|
||||
|
||||
Since this function grabs the ``char *`` from a c-level str object and puts
|
||||
it into the ``tp_doc`` slot of the type of `obj`, it violates a number of
|
||||
C-API best-practices, by:
|
||||
|
||||
- modifying a `PyTypeObject` after calling `PyType_Ready`
|
||||
- calling `Py_INCREF` on the str and losing the reference, so the str
|
||||
will never be released
|
||||
|
||||
If possible it should be avoided.
|
||||
"""
|
||||
new = getattr(__import__(place, globals(), {}, [obj]), obj)
|
||||
if isinstance(doc, str):
|
||||
_add_docstring(new, doc.strip(), warn_on_python)
|
||||
elif isinstance(doc, tuple):
|
||||
attr, docstring = doc
|
||||
_add_docstring(getattr(new, attr), docstring.strip(), warn_on_python)
|
||||
elif isinstance(doc, list):
|
||||
for attr, docstring in doc:
|
||||
_add_docstring(getattr(new, attr), docstring.strip(), warn_on_python)
|
||||
@ -0,0 +1,254 @@
|
||||
from __future__ import division, print_function
|
||||
|
||||
import os
|
||||
import genapi
|
||||
|
||||
from genapi import \
|
||||
TypeApi, GlobalVarApi, FunctionApi, BoolValuesApi
|
||||
|
||||
import numpy_api
|
||||
|
||||
# use annotated api when running under cpychecker
|
||||
h_template = r"""
|
||||
#if defined(_MULTIARRAYMODULE) || defined(WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE)
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_bool obval;
|
||||
} PyBoolScalarObject;
|
||||
|
||||
extern NPY_NO_EXPORT PyTypeObject PyArrayMapIter_Type;
|
||||
extern NPY_NO_EXPORT PyTypeObject PyArrayNeighborhoodIter_Type;
|
||||
extern NPY_NO_EXPORT PyBoolScalarObject _PyArrayScalar_BoolValues[2];
|
||||
|
||||
%s
|
||||
|
||||
#else
|
||||
|
||||
#if defined(PY_ARRAY_UNIQUE_SYMBOL)
|
||||
#define PyArray_API PY_ARRAY_UNIQUE_SYMBOL
|
||||
#endif
|
||||
|
||||
#if defined(NO_IMPORT) || defined(NO_IMPORT_ARRAY)
|
||||
extern void **PyArray_API;
|
||||
#else
|
||||
#if defined(PY_ARRAY_UNIQUE_SYMBOL)
|
||||
void **PyArray_API;
|
||||
#else
|
||||
static void **PyArray_API=NULL;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
%s
|
||||
|
||||
#if !defined(NO_IMPORT_ARRAY) && !defined(NO_IMPORT)
|
||||
static int
|
||||
_import_array(void)
|
||||
{
|
||||
int st;
|
||||
PyObject *numpy = PyImport_ImportModule("numpy.core._multiarray_umath");
|
||||
PyObject *c_api = NULL;
|
||||
|
||||
if (numpy == NULL) {
|
||||
return -1;
|
||||
}
|
||||
c_api = PyObject_GetAttrString(numpy, "_ARRAY_API");
|
||||
Py_DECREF(numpy);
|
||||
if (c_api == NULL) {
|
||||
PyErr_SetString(PyExc_AttributeError, "_ARRAY_API not found");
|
||||
return -1;
|
||||
}
|
||||
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
if (!PyCapsule_CheckExact(c_api)) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is not PyCapsule object");
|
||||
Py_DECREF(c_api);
|
||||
return -1;
|
||||
}
|
||||
PyArray_API = (void **)PyCapsule_GetPointer(c_api, NULL);
|
||||
#else
|
||||
if (!PyCObject_Check(c_api)) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is not PyCObject object");
|
||||
Py_DECREF(c_api);
|
||||
return -1;
|
||||
}
|
||||
PyArray_API = (void **)PyCObject_AsVoidPtr(c_api);
|
||||
#endif
|
||||
Py_DECREF(c_api);
|
||||
if (PyArray_API == NULL) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is NULL pointer");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Perform runtime check of C API version */
|
||||
if (NPY_VERSION != PyArray_GetNDArrayCVersion()) {
|
||||
PyErr_Format(PyExc_RuntimeError, "module compiled against "\
|
||||
"ABI version 0x%%x but this version of numpy is 0x%%x", \
|
||||
(int) NPY_VERSION, (int) PyArray_GetNDArrayCVersion());
|
||||
return -1;
|
||||
}
|
||||
if (NPY_FEATURE_VERSION > PyArray_GetNDArrayCFeatureVersion()) {
|
||||
PyErr_Format(PyExc_RuntimeError, "module compiled against "\
|
||||
"API version 0x%%x but this version of numpy is 0x%%x", \
|
||||
(int) NPY_FEATURE_VERSION, (int) PyArray_GetNDArrayCFeatureVersion());
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Perform runtime check of endianness and check it matches the one set by
|
||||
* the headers (npy_endian.h) as a safeguard
|
||||
*/
|
||||
st = PyArray_GetEndianness();
|
||||
if (st == NPY_CPU_UNKNOWN_ENDIAN) {
|
||||
PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as unknown endian");
|
||||
return -1;
|
||||
}
|
||||
#if NPY_BYTE_ORDER == NPY_BIG_ENDIAN
|
||||
if (st != NPY_CPU_BIG) {
|
||||
PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as "\
|
||||
"big endian, but detected different endianness at runtime");
|
||||
return -1;
|
||||
}
|
||||
#elif NPY_BYTE_ORDER == NPY_LITTLE_ENDIAN
|
||||
if (st != NPY_CPU_LITTLE) {
|
||||
PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as "\
|
||||
"little endian, but detected different endianness at runtime");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
#define NUMPY_IMPORT_ARRAY_RETVAL NULL
|
||||
#else
|
||||
#define NUMPY_IMPORT_ARRAY_RETVAL
|
||||
#endif
|
||||
|
||||
#define import_array() {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import"); return NUMPY_IMPORT_ARRAY_RETVAL; } }
|
||||
|
||||
#define import_array1(ret) {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import"); return ret; } }
|
||||
|
||||
#define import_array2(msg, ret) {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, msg); return ret; } }
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
"""
|
||||
|
||||
|
||||
c_template = r"""
|
||||
/* These pointers will be stored in the C-object for use in other
|
||||
extension modules
|
||||
*/
|
||||
|
||||
void *PyArray_API[] = {
|
||||
%s
|
||||
};
|
||||
"""
|
||||
|
||||
c_api_header = """
|
||||
===========
|
||||
NumPy C-API
|
||||
===========
|
||||
"""
|
||||
|
||||
def generate_api(output_dir, force=False):
|
||||
basename = 'multiarray_api'
|
||||
|
||||
h_file = os.path.join(output_dir, '__%s.h' % basename)
|
||||
c_file = os.path.join(output_dir, '__%s.c' % basename)
|
||||
d_file = os.path.join(output_dir, '%s.txt' % basename)
|
||||
targets = (h_file, c_file, d_file)
|
||||
|
||||
sources = numpy_api.multiarray_api
|
||||
|
||||
if (not force and not genapi.should_rebuild(targets, [numpy_api.__file__, __file__])):
|
||||
return targets
|
||||
else:
|
||||
do_generate_api(targets, sources)
|
||||
|
||||
return targets
|
||||
|
||||
def do_generate_api(targets, sources):
|
||||
header_file = targets[0]
|
||||
c_file = targets[1]
|
||||
doc_file = targets[2]
|
||||
|
||||
global_vars = sources[0]
|
||||
scalar_bool_values = sources[1]
|
||||
types_api = sources[2]
|
||||
multiarray_funcs = sources[3]
|
||||
|
||||
multiarray_api = sources[:]
|
||||
|
||||
module_list = []
|
||||
extension_list = []
|
||||
init_list = []
|
||||
|
||||
# Check multiarray api indexes
|
||||
multiarray_api_index = genapi.merge_api_dicts(multiarray_api)
|
||||
genapi.check_api_dict(multiarray_api_index)
|
||||
|
||||
numpyapi_list = genapi.get_api_functions('NUMPY_API',
|
||||
multiarray_funcs)
|
||||
|
||||
# FIXME: ordered_funcs_api is unused
|
||||
ordered_funcs_api = genapi.order_dict(multiarray_funcs)
|
||||
|
||||
# Create dict name -> *Api instance
|
||||
api_name = 'PyArray_API'
|
||||
multiarray_api_dict = {}
|
||||
for f in numpyapi_list:
|
||||
name = f.name
|
||||
index = multiarray_funcs[name][0]
|
||||
annotations = multiarray_funcs[name][1:]
|
||||
multiarray_api_dict[f.name] = FunctionApi(f.name, index, annotations,
|
||||
f.return_type,
|
||||
f.args, api_name)
|
||||
|
||||
for name, val in global_vars.items():
|
||||
index, type = val
|
||||
multiarray_api_dict[name] = GlobalVarApi(name, index, type, api_name)
|
||||
|
||||
for name, val in scalar_bool_values.items():
|
||||
index = val[0]
|
||||
multiarray_api_dict[name] = BoolValuesApi(name, index, api_name)
|
||||
|
||||
for name, val in types_api.items():
|
||||
index = val[0]
|
||||
multiarray_api_dict[name] = TypeApi(name, index, 'PyTypeObject', api_name)
|
||||
|
||||
if len(multiarray_api_dict) != len(multiarray_api_index):
|
||||
keys_dict = set(multiarray_api_dict.keys())
|
||||
keys_index = set(multiarray_api_index.keys())
|
||||
raise AssertionError(
|
||||
"Multiarray API size mismatch - "
|
||||
"index has extra keys {}, dict has extra keys {}"
|
||||
.format(keys_index - keys_dict, keys_dict - keys_index)
|
||||
)
|
||||
|
||||
extension_list = []
|
||||
for name, index in genapi.order_dict(multiarray_api_index):
|
||||
api_item = multiarray_api_dict[name]
|
||||
extension_list.append(api_item.define_from_array_api_string())
|
||||
init_list.append(api_item.array_api_define())
|
||||
module_list.append(api_item.internal_define())
|
||||
|
||||
# Write to header
|
||||
s = h_template % ('\n'.join(module_list), '\n'.join(extension_list))
|
||||
genapi.write_file(header_file, s)
|
||||
|
||||
# Write to c-code
|
||||
s = c_template % ',\n'.join(init_list)
|
||||
genapi.write_file(c_file, s)
|
||||
|
||||
# write to documentation
|
||||
s = c_api_header
|
||||
for func in numpyapi_list:
|
||||
s += func.to_ReST()
|
||||
s += '\n\n'
|
||||
genapi.write_file(doc_file, s)
|
||||
|
||||
return targets
|
||||
@ -0,0 +1,548 @@
|
||||
"""Machine limits for Float32 and Float64 and (long double) if available...
|
||||
|
||||
"""
|
||||
from __future__ import division, absolute_import, print_function
|
||||
|
||||
__all__ = ['finfo', 'iinfo']
|
||||
|
||||
import warnings
|
||||
|
||||
from .machar import MachAr
|
||||
from .overrides import set_module
|
||||
from . import numeric
|
||||
from . import numerictypes as ntypes
|
||||
from .numeric import array, inf
|
||||
from .umath import log10, exp2
|
||||
from . import umath
|
||||
|
||||
|
||||
def _fr0(a):
|
||||
"""fix rank-0 --> rank-1"""
|
||||
if a.ndim == 0:
|
||||
a = a.copy()
|
||||
a.shape = (1,)
|
||||
return a
|
||||
|
||||
|
||||
def _fr1(a):
|
||||
"""fix rank > 0 --> rank-0"""
|
||||
if a.size == 1:
|
||||
a = a.copy()
|
||||
a.shape = ()
|
||||
return a
|
||||
|
||||
class MachArLike(object):
|
||||
""" Object to simulate MachAr instance """
|
||||
|
||||
def __init__(self,
|
||||
ftype,
|
||||
**kwargs):
|
||||
params = _MACHAR_PARAMS[ftype]
|
||||
float_conv = lambda v: array([v], ftype)
|
||||
float_to_float = lambda v : _fr1(float_conv(v))
|
||||
float_to_str = lambda v: (params['fmt'] % array(_fr0(v)[0], ftype))
|
||||
|
||||
self.title = params['title']
|
||||
# Parameter types same as for discovered MachAr object.
|
||||
self.epsilon = self.eps = float_to_float(kwargs.pop('eps'))
|
||||
self.epsneg = float_to_float(kwargs.pop('epsneg'))
|
||||
self.xmax = self.huge = float_to_float(kwargs.pop('huge'))
|
||||
self.xmin = self.tiny = float_to_float(kwargs.pop('tiny'))
|
||||
self.ibeta = params['itype'](kwargs.pop('ibeta'))
|
||||
self.__dict__.update(kwargs)
|
||||
self.precision = int(-log10(self.eps))
|
||||
self.resolution = float_to_float(float_conv(10) ** (-self.precision))
|
||||
self._str_eps = float_to_str(self.eps)
|
||||
self._str_epsneg = float_to_str(self.epsneg)
|
||||
self._str_xmin = float_to_str(self.xmin)
|
||||
self._str_xmax = float_to_str(self.xmax)
|
||||
self._str_resolution = float_to_str(self.resolution)
|
||||
|
||||
_convert_to_float = {
|
||||
ntypes.csingle: ntypes.single,
|
||||
ntypes.complex_: ntypes.float_,
|
||||
ntypes.clongfloat: ntypes.longfloat
|
||||
}
|
||||
|
||||
# Parameters for creating MachAr / MachAr-like objects
|
||||
_title_fmt = 'numpy {} precision floating point number'
|
||||
_MACHAR_PARAMS = {
|
||||
ntypes.double: dict(
|
||||
itype = ntypes.int64,
|
||||
fmt = '%24.16e',
|
||||
title = _title_fmt.format('double')),
|
||||
ntypes.single: dict(
|
||||
itype = ntypes.int32,
|
||||
fmt = '%15.7e',
|
||||
title = _title_fmt.format('single')),
|
||||
ntypes.longdouble: dict(
|
||||
itype = ntypes.longlong,
|
||||
fmt = '%s',
|
||||
title = _title_fmt.format('long double')),
|
||||
ntypes.half: dict(
|
||||
itype = ntypes.int16,
|
||||
fmt = '%12.5e',
|
||||
title = _title_fmt.format('half'))}
|
||||
|
||||
# Key to identify the floating point type. Key is result of
|
||||
# ftype('-0.1').newbyteorder('<').tobytes()
|
||||
# See:
|
||||
# https://perl5.git.perl.org/perl.git/blob/3118d7d684b56cbeb702af874f4326683c45f045:/Configure
|
||||
_KNOWN_TYPES = {}
|
||||
def _register_type(machar, bytepat):
|
||||
_KNOWN_TYPES[bytepat] = machar
|
||||
_float_ma = {}
|
||||
|
||||
def _register_known_types():
|
||||
# Known parameters for float16
|
||||
# See docstring of MachAr class for description of parameters.
|
||||
f16 = ntypes.float16
|
||||
float16_ma = MachArLike(f16,
|
||||
machep=-10,
|
||||
negep=-11,
|
||||
minexp=-14,
|
||||
maxexp=16,
|
||||
it=10,
|
||||
iexp=5,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=exp2(f16(-10)),
|
||||
epsneg=exp2(f16(-11)),
|
||||
huge=f16(65504),
|
||||
tiny=f16(2 ** -14))
|
||||
_register_type(float16_ma, b'f\xae')
|
||||
_float_ma[16] = float16_ma
|
||||
|
||||
# Known parameters for float32
|
||||
f32 = ntypes.float32
|
||||
float32_ma = MachArLike(f32,
|
||||
machep=-23,
|
||||
negep=-24,
|
||||
minexp=-126,
|
||||
maxexp=128,
|
||||
it=23,
|
||||
iexp=8,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=exp2(f32(-23)),
|
||||
epsneg=exp2(f32(-24)),
|
||||
huge=f32((1 - 2 ** -24) * 2**128),
|
||||
tiny=exp2(f32(-126)))
|
||||
_register_type(float32_ma, b'\xcd\xcc\xcc\xbd')
|
||||
_float_ma[32] = float32_ma
|
||||
|
||||
# Known parameters for float64
|
||||
f64 = ntypes.float64
|
||||
epsneg_f64 = 2.0 ** -53.0
|
||||
tiny_f64 = 2.0 ** -1022.0
|
||||
float64_ma = MachArLike(f64,
|
||||
machep=-52,
|
||||
negep=-53,
|
||||
minexp=-1022,
|
||||
maxexp=1024,
|
||||
it=52,
|
||||
iexp=11,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=2.0 ** -52.0,
|
||||
epsneg=epsneg_f64,
|
||||
huge=(1.0 - epsneg_f64) / tiny_f64 * f64(4),
|
||||
tiny=tiny_f64)
|
||||
_register_type(float64_ma, b'\x9a\x99\x99\x99\x99\x99\xb9\xbf')
|
||||
_float_ma[64] = float64_ma
|
||||
|
||||
# Known parameters for IEEE 754 128-bit binary float
|
||||
ld = ntypes.longdouble
|
||||
epsneg_f128 = exp2(ld(-113))
|
||||
tiny_f128 = exp2(ld(-16382))
|
||||
# Ignore runtime error when this is not f128
|
||||
with numeric.errstate(all='ignore'):
|
||||
huge_f128 = (ld(1) - epsneg_f128) / tiny_f128 * ld(4)
|
||||
float128_ma = MachArLike(ld,
|
||||
machep=-112,
|
||||
negep=-113,
|
||||
minexp=-16382,
|
||||
maxexp=16384,
|
||||
it=112,
|
||||
iexp=15,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=exp2(ld(-112)),
|
||||
epsneg=epsneg_f128,
|
||||
huge=huge_f128,
|
||||
tiny=tiny_f128)
|
||||
# IEEE 754 128-bit binary float
|
||||
_register_type(float128_ma,
|
||||
b'\x9a\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\xfb\xbf')
|
||||
_register_type(float128_ma,
|
||||
b'\x9a\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\x99\xfb\xbf')
|
||||
_float_ma[128] = float128_ma
|
||||
|
||||
# Known parameters for float80 (Intel 80-bit extended precision)
|
||||
epsneg_f80 = exp2(ld(-64))
|
||||
tiny_f80 = exp2(ld(-16382))
|
||||
# Ignore runtime error when this is not f80
|
||||
with numeric.errstate(all='ignore'):
|
||||
huge_f80 = (ld(1) - epsneg_f80) / tiny_f80 * ld(4)
|
||||
float80_ma = MachArLike(ld,
|
||||
machep=-63,
|
||||
negep=-64,
|
||||
minexp=-16382,
|
||||
maxexp=16384,
|
||||
it=63,
|
||||
iexp=15,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=exp2(ld(-63)),
|
||||
epsneg=epsneg_f80,
|
||||
huge=huge_f80,
|
||||
tiny=tiny_f80)
|
||||
# float80, first 10 bytes containing actual storage
|
||||
_register_type(float80_ma, b'\xcd\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xfb\xbf')
|
||||
_float_ma[80] = float80_ma
|
||||
|
||||
# Guessed / known parameters for double double; see:
|
||||
# https://en.wikipedia.org/wiki/Quadruple-precision_floating-point_format#Double-double_arithmetic
|
||||
# These numbers have the same exponent range as float64, but extended number of
|
||||
# digits in the significand.
|
||||
huge_dd = (umath.nextafter(ld(inf), ld(0))
|
||||
if hasattr(umath, 'nextafter') # Missing on some platforms?
|
||||
else float64_ma.huge)
|
||||
float_dd_ma = MachArLike(ld,
|
||||
machep=-105,
|
||||
negep=-106,
|
||||
minexp=-1022,
|
||||
maxexp=1024,
|
||||
it=105,
|
||||
iexp=11,
|
||||
ibeta=2,
|
||||
irnd=5,
|
||||
ngrd=0,
|
||||
eps=exp2(ld(-105)),
|
||||
epsneg= exp2(ld(-106)),
|
||||
huge=huge_dd,
|
||||
tiny=exp2(ld(-1022)))
|
||||
# double double; low, high order (e.g. PPC 64)
|
||||
_register_type(float_dd_ma,
|
||||
b'\x9a\x99\x99\x99\x99\x99Y<\x9a\x99\x99\x99\x99\x99\xb9\xbf')
|
||||
# double double; high, low order (e.g. PPC 64 le)
|
||||
_register_type(float_dd_ma,
|
||||
b'\x9a\x99\x99\x99\x99\x99\xb9\xbf\x9a\x99\x99\x99\x99\x99Y<')
|
||||
_float_ma['dd'] = float_dd_ma
|
||||
|
||||
|
||||
def _get_machar(ftype):
|
||||
""" Get MachAr instance or MachAr-like instance
|
||||
|
||||
Get parameters for floating point type, by first trying signatures of
|
||||
various known floating point types, then, if none match, attempting to
|
||||
identify parameters by analysis.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
ftype : class
|
||||
Numpy floating point type class (e.g. ``np.float64``)
|
||||
|
||||
Returns
|
||||
-------
|
||||
ma_like : instance of :class:`MachAr` or :class:`MachArLike`
|
||||
Object giving floating point parameters for `ftype`.
|
||||
|
||||
Warns
|
||||
-----
|
||||
UserWarning
|
||||
If the binary signature of the float type is not in the dictionary of
|
||||
known float types.
|
||||
"""
|
||||
params = _MACHAR_PARAMS.get(ftype)
|
||||
if params is None:
|
||||
raise ValueError(repr(ftype))
|
||||
# Detect known / suspected types
|
||||
key = ftype('-0.1').newbyteorder('<').tobytes()
|
||||
ma_like = _KNOWN_TYPES.get(key)
|
||||
# Could be 80 bit == 10 byte extended precision, where last bytes can be
|
||||
# random garbage. Try comparing first 10 bytes to pattern.
|
||||
if ma_like is None and ftype == ntypes.longdouble:
|
||||
ma_like = _KNOWN_TYPES.get(key[:10])
|
||||
if ma_like is not None:
|
||||
return ma_like
|
||||
# Fall back to parameter discovery
|
||||
warnings.warn(
|
||||
'Signature {} for {} does not match any known type: '
|
||||
'falling back to type probe function'.format(key, ftype),
|
||||
UserWarning, stacklevel=2)
|
||||
return _discovered_machar(ftype)
|
||||
|
||||
|
||||
def _discovered_machar(ftype):
|
||||
""" Create MachAr instance with found information on float types
|
||||
"""
|
||||
params = _MACHAR_PARAMS[ftype]
|
||||
return MachAr(lambda v: array([v], ftype),
|
||||
lambda v:_fr0(v.astype(params['itype']))[0],
|
||||
lambda v:array(_fr0(v)[0], ftype),
|
||||
lambda v: params['fmt'] % array(_fr0(v)[0], ftype),
|
||||
params['title'])
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
class finfo(object):
|
||||
"""
|
||||
finfo(dtype)
|
||||
|
||||
Machine limits for floating point types.
|
||||
|
||||
Attributes
|
||||
----------
|
||||
bits : int
|
||||
The number of bits occupied by the type.
|
||||
eps : float
|
||||
The smallest representable positive number such that
|
||||
``1.0 + eps != 1.0``. Type of `eps` is an appropriate floating
|
||||
point type.
|
||||
epsneg : floating point number of the appropriate type
|
||||
The smallest representable positive number such that
|
||||
``1.0 - epsneg != 1.0``.
|
||||
iexp : int
|
||||
The number of bits in the exponent portion of the floating point
|
||||
representation.
|
||||
machar : MachAr
|
||||
The object which calculated these parameters and holds more
|
||||
detailed information.
|
||||
machep : int
|
||||
The exponent that yields `eps`.
|
||||
max : floating point number of the appropriate type
|
||||
The largest representable number.
|
||||
maxexp : int
|
||||
The smallest positive power of the base (2) that causes overflow.
|
||||
min : floating point number of the appropriate type
|
||||
The smallest representable number, typically ``-max``.
|
||||
minexp : int
|
||||
The most negative power of the base (2) consistent with there
|
||||
being no leading 0's in the mantissa.
|
||||
negep : int
|
||||
The exponent that yields `epsneg`.
|
||||
nexp : int
|
||||
The number of bits in the exponent including its sign and bias.
|
||||
nmant : int
|
||||
The number of bits in the mantissa.
|
||||
precision : int
|
||||
The approximate number of decimal digits to which this kind of
|
||||
float is precise.
|
||||
resolution : floating point number of the appropriate type
|
||||
The approximate decimal resolution of this type, i.e.,
|
||||
``10**-precision``.
|
||||
tiny : float
|
||||
The smallest positive usable number. Type of `tiny` is an
|
||||
appropriate floating point type.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
dtype : float, dtype, or instance
|
||||
Kind of floating point data-type about which to get information.
|
||||
|
||||
See Also
|
||||
--------
|
||||
MachAr : The implementation of the tests that produce this information.
|
||||
iinfo : The equivalent for integer data types.
|
||||
|
||||
Notes
|
||||
-----
|
||||
For developers of NumPy: do not instantiate this at the module level.
|
||||
The initial calculation of these parameters is expensive and negatively
|
||||
impacts import times. These objects are cached, so calling ``finfo()``
|
||||
repeatedly inside your functions is not a problem.
|
||||
|
||||
"""
|
||||
|
||||
_finfo_cache = {}
|
||||
|
||||
def __new__(cls, dtype):
|
||||
try:
|
||||
dtype = numeric.dtype(dtype)
|
||||
except TypeError:
|
||||
# In case a float instance was given
|
||||
dtype = numeric.dtype(type(dtype))
|
||||
|
||||
obj = cls._finfo_cache.get(dtype, None)
|
||||
if obj is not None:
|
||||
return obj
|
||||
dtypes = [dtype]
|
||||
newdtype = numeric.obj2sctype(dtype)
|
||||
if newdtype is not dtype:
|
||||
dtypes.append(newdtype)
|
||||
dtype = newdtype
|
||||
if not issubclass(dtype, numeric.inexact):
|
||||
raise ValueError("data type %r not inexact" % (dtype))
|
||||
obj = cls._finfo_cache.get(dtype, None)
|
||||
if obj is not None:
|
||||
return obj
|
||||
if not issubclass(dtype, numeric.floating):
|
||||
newdtype = _convert_to_float[dtype]
|
||||
if newdtype is not dtype:
|
||||
dtypes.append(newdtype)
|
||||
dtype = newdtype
|
||||
obj = cls._finfo_cache.get(dtype, None)
|
||||
if obj is not None:
|
||||
return obj
|
||||
obj = object.__new__(cls)._init(dtype)
|
||||
for dt in dtypes:
|
||||
cls._finfo_cache[dt] = obj
|
||||
return obj
|
||||
|
||||
def _init(self, dtype):
|
||||
self.dtype = numeric.dtype(dtype)
|
||||
machar = _get_machar(dtype)
|
||||
|
||||
for word in ['precision', 'iexp',
|
||||
'maxexp', 'minexp', 'negep',
|
||||
'machep']:
|
||||
setattr(self, word, getattr(machar, word))
|
||||
for word in ['tiny', 'resolution', 'epsneg']:
|
||||
setattr(self, word, getattr(machar, word).flat[0])
|
||||
self.bits = self.dtype.itemsize * 8
|
||||
self.max = machar.huge.flat[0]
|
||||
self.min = -self.max
|
||||
self.eps = machar.eps.flat[0]
|
||||
self.nexp = machar.iexp
|
||||
self.nmant = machar.it
|
||||
self.machar = machar
|
||||
self._str_tiny = machar._str_xmin.strip()
|
||||
self._str_max = machar._str_xmax.strip()
|
||||
self._str_epsneg = machar._str_epsneg.strip()
|
||||
self._str_eps = machar._str_eps.strip()
|
||||
self._str_resolution = machar._str_resolution.strip()
|
||||
return self
|
||||
|
||||
def __str__(self):
|
||||
fmt = (
|
||||
'Machine parameters for %(dtype)s\n'
|
||||
'---------------------------------------------------------------\n'
|
||||
'precision = %(precision)3s resolution = %(_str_resolution)s\n'
|
||||
'machep = %(machep)6s eps = %(_str_eps)s\n'
|
||||
'negep = %(negep)6s epsneg = %(_str_epsneg)s\n'
|
||||
'minexp = %(minexp)6s tiny = %(_str_tiny)s\n'
|
||||
'maxexp = %(maxexp)6s max = %(_str_max)s\n'
|
||||
'nexp = %(nexp)6s min = -max\n'
|
||||
'---------------------------------------------------------------\n'
|
||||
)
|
||||
return fmt % self.__dict__
|
||||
|
||||
def __repr__(self):
|
||||
c = self.__class__.__name__
|
||||
d = self.__dict__.copy()
|
||||
d['klass'] = c
|
||||
return (("%(klass)s(resolution=%(resolution)s, min=-%(_str_max)s,"
|
||||
" max=%(_str_max)s, dtype=%(dtype)s)") % d)
|
||||
|
||||
|
||||
@set_module('numpy')
|
||||
class iinfo(object):
|
||||
"""
|
||||
iinfo(type)
|
||||
|
||||
Machine limits for integer types.
|
||||
|
||||
Attributes
|
||||
----------
|
||||
bits : int
|
||||
The number of bits occupied by the type.
|
||||
min : int
|
||||
The smallest integer expressible by the type.
|
||||
max : int
|
||||
The largest integer expressible by the type.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
int_type : integer type, dtype, or instance
|
||||
The kind of integer data type to get information about.
|
||||
|
||||
See Also
|
||||
--------
|
||||
finfo : The equivalent for floating point data types.
|
||||
|
||||
Examples
|
||||
--------
|
||||
With types:
|
||||
|
||||
>>> ii16 = np.iinfo(np.int16)
|
||||
>>> ii16.min
|
||||
-32768
|
||||
>>> ii16.max
|
||||
32767
|
||||
>>> ii32 = np.iinfo(np.int32)
|
||||
>>> ii32.min
|
||||
-2147483648
|
||||
>>> ii32.max
|
||||
2147483647
|
||||
|
||||
With instances:
|
||||
|
||||
>>> ii32 = np.iinfo(np.int32(10))
|
||||
>>> ii32.min
|
||||
-2147483648
|
||||
>>> ii32.max
|
||||
2147483647
|
||||
|
||||
"""
|
||||
|
||||
_min_vals = {}
|
||||
_max_vals = {}
|
||||
|
||||
def __init__(self, int_type):
|
||||
try:
|
||||
self.dtype = numeric.dtype(int_type)
|
||||
except TypeError:
|
||||
self.dtype = numeric.dtype(type(int_type))
|
||||
self.kind = self.dtype.kind
|
||||
self.bits = self.dtype.itemsize * 8
|
||||
self.key = "%s%d" % (self.kind, self.bits)
|
||||
if self.kind not in 'iu':
|
||||
raise ValueError("Invalid integer data type %r." % (self.kind,))
|
||||
|
||||
@property
|
||||
def min(self):
|
||||
"""Minimum value of given dtype."""
|
||||
if self.kind == 'u':
|
||||
return 0
|
||||
else:
|
||||
try:
|
||||
val = iinfo._min_vals[self.key]
|
||||
except KeyError:
|
||||
val = int(-(1 << (self.bits-1)))
|
||||
iinfo._min_vals[self.key] = val
|
||||
return val
|
||||
|
||||
@property
|
||||
def max(self):
|
||||
"""Maximum value of given dtype."""
|
||||
try:
|
||||
val = iinfo._max_vals[self.key]
|
||||
except KeyError:
|
||||
if self.kind == 'u':
|
||||
val = int((1 << self.bits) - 1)
|
||||
else:
|
||||
val = int((1 << (self.bits-1)) - 1)
|
||||
iinfo._max_vals[self.key] = val
|
||||
return val
|
||||
|
||||
def __str__(self):
|
||||
"""String representation."""
|
||||
fmt = (
|
||||
'Machine parameters for %(dtype)s\n'
|
||||
'---------------------------------------------------------------\n'
|
||||
'min = %(min)s\n'
|
||||
'max = %(max)s\n'
|
||||
'---------------------------------------------------------------\n'
|
||||
)
|
||||
return fmt % {'dtype': self.dtype, 'min': self.min, 'max': self.max}
|
||||
|
||||
def __repr__(self):
|
||||
return "%s(min=%s, max=%s, dtype=%s)" % (self.__class__.__name__,
|
||||
self.min, self.max, self.dtype)
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,326 @@
|
||||
|
||||
#ifdef _UMATHMODULE
|
||||
|
||||
extern NPY_NO_EXPORT PyTypeObject PyUFunc_Type;
|
||||
|
||||
extern NPY_NO_EXPORT PyTypeObject PyUFunc_Type;
|
||||
|
||||
NPY_NO_EXPORT PyObject * PyUFunc_FromFuncAndData \
|
||||
(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, int);
|
||||
NPY_NO_EXPORT int PyUFunc_RegisterLoopForType \
|
||||
(PyUFuncObject *, int, PyUFuncGenericFunction, const int *, void *);
|
||||
NPY_NO_EXPORT int PyUFunc_GenericFunction \
|
||||
(PyUFuncObject *, PyObject *, PyObject *, PyArrayObject **);
|
||||
NPY_NO_EXPORT void PyUFunc_f_f_As_d_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_d_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_f_f \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_g_g \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_F_F_As_D_D \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_F_F \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_D_D \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_G_G \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_O_O \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_ff_f_As_dd_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_ff_f \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_dd_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_gg_g \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_FF_F_As_DD_D \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_DD_D \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_FF_F \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_GG_G \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_OO_O \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_O_O_method \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_OO_O_method \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_On_Om \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT int PyUFunc_GetPyValues \
|
||||
(char *, int *, int *, PyObject **);
|
||||
NPY_NO_EXPORT int PyUFunc_checkfperr \
|
||||
(int, PyObject *, int *);
|
||||
NPY_NO_EXPORT void PyUFunc_clearfperr \
|
||||
(void);
|
||||
NPY_NO_EXPORT int PyUFunc_getfperr \
|
||||
(void);
|
||||
NPY_NO_EXPORT int PyUFunc_handlefperr \
|
||||
(int, PyObject *, int, int *);
|
||||
NPY_NO_EXPORT int PyUFunc_ReplaceLoopBySignature \
|
||||
(PyUFuncObject *, PyUFuncGenericFunction, const int *, PyUFuncGenericFunction *);
|
||||
NPY_NO_EXPORT PyObject * PyUFunc_FromFuncAndDataAndSignature \
|
||||
(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, int, const char *);
|
||||
NPY_NO_EXPORT int PyUFunc_SetUsesArraysAsData \
|
||||
(void **, size_t);
|
||||
NPY_NO_EXPORT void PyUFunc_e_e \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_e_e_As_f_f \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_e_e_As_d_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_ee_e \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_ee_e_As_ff_f \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT void PyUFunc_ee_e_As_dd_d \
|
||||
(char **, npy_intp *, npy_intp *, void *);
|
||||
NPY_NO_EXPORT int PyUFunc_DefaultTypeResolver \
|
||||
(PyUFuncObject *, NPY_CASTING, PyArrayObject **, PyObject *, PyArray_Descr **);
|
||||
NPY_NO_EXPORT int PyUFunc_ValidateCasting \
|
||||
(PyUFuncObject *, NPY_CASTING, PyArrayObject **, PyArray_Descr **);
|
||||
NPY_NO_EXPORT int PyUFunc_RegisterLoopForDescr \
|
||||
(PyUFuncObject *, PyArray_Descr *, PyUFuncGenericFunction, PyArray_Descr **, void *);
|
||||
NPY_NO_EXPORT PyObject * PyUFunc_FromFuncAndDataAndSignatureAndIdentity \
|
||||
(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, const int, const char *, PyObject *);
|
||||
|
||||
#else
|
||||
|
||||
#if defined(PY_UFUNC_UNIQUE_SYMBOL)
|
||||
#define PyUFunc_API PY_UFUNC_UNIQUE_SYMBOL
|
||||
#endif
|
||||
|
||||
#if defined(NO_IMPORT) || defined(NO_IMPORT_UFUNC)
|
||||
extern void **PyUFunc_API;
|
||||
#else
|
||||
#if defined(PY_UFUNC_UNIQUE_SYMBOL)
|
||||
void **PyUFunc_API;
|
||||
#else
|
||||
static void **PyUFunc_API=NULL;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define PyUFunc_Type (*(PyTypeObject *)PyUFunc_API[0])
|
||||
#define PyUFunc_FromFuncAndData \
|
||||
(*(PyObject * (*)(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, int)) \
|
||||
PyUFunc_API[1])
|
||||
#define PyUFunc_RegisterLoopForType \
|
||||
(*(int (*)(PyUFuncObject *, int, PyUFuncGenericFunction, const int *, void *)) \
|
||||
PyUFunc_API[2])
|
||||
#define PyUFunc_GenericFunction \
|
||||
(*(int (*)(PyUFuncObject *, PyObject *, PyObject *, PyArrayObject **)) \
|
||||
PyUFunc_API[3])
|
||||
#define PyUFunc_f_f_As_d_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[4])
|
||||
#define PyUFunc_d_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[5])
|
||||
#define PyUFunc_f_f \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[6])
|
||||
#define PyUFunc_g_g \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[7])
|
||||
#define PyUFunc_F_F_As_D_D \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[8])
|
||||
#define PyUFunc_F_F \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[9])
|
||||
#define PyUFunc_D_D \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[10])
|
||||
#define PyUFunc_G_G \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[11])
|
||||
#define PyUFunc_O_O \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[12])
|
||||
#define PyUFunc_ff_f_As_dd_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[13])
|
||||
#define PyUFunc_ff_f \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[14])
|
||||
#define PyUFunc_dd_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[15])
|
||||
#define PyUFunc_gg_g \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[16])
|
||||
#define PyUFunc_FF_F_As_DD_D \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[17])
|
||||
#define PyUFunc_DD_D \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[18])
|
||||
#define PyUFunc_FF_F \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[19])
|
||||
#define PyUFunc_GG_G \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[20])
|
||||
#define PyUFunc_OO_O \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[21])
|
||||
#define PyUFunc_O_O_method \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[22])
|
||||
#define PyUFunc_OO_O_method \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[23])
|
||||
#define PyUFunc_On_Om \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[24])
|
||||
#define PyUFunc_GetPyValues \
|
||||
(*(int (*)(char *, int *, int *, PyObject **)) \
|
||||
PyUFunc_API[25])
|
||||
#define PyUFunc_checkfperr \
|
||||
(*(int (*)(int, PyObject *, int *)) \
|
||||
PyUFunc_API[26])
|
||||
#define PyUFunc_clearfperr \
|
||||
(*(void (*)(void)) \
|
||||
PyUFunc_API[27])
|
||||
#define PyUFunc_getfperr \
|
||||
(*(int (*)(void)) \
|
||||
PyUFunc_API[28])
|
||||
#define PyUFunc_handlefperr \
|
||||
(*(int (*)(int, PyObject *, int, int *)) \
|
||||
PyUFunc_API[29])
|
||||
#define PyUFunc_ReplaceLoopBySignature \
|
||||
(*(int (*)(PyUFuncObject *, PyUFuncGenericFunction, const int *, PyUFuncGenericFunction *)) \
|
||||
PyUFunc_API[30])
|
||||
#define PyUFunc_FromFuncAndDataAndSignature \
|
||||
(*(PyObject * (*)(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, int, const char *)) \
|
||||
PyUFunc_API[31])
|
||||
#define PyUFunc_SetUsesArraysAsData \
|
||||
(*(int (*)(void **, size_t)) \
|
||||
PyUFunc_API[32])
|
||||
#define PyUFunc_e_e \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[33])
|
||||
#define PyUFunc_e_e_As_f_f \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[34])
|
||||
#define PyUFunc_e_e_As_d_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[35])
|
||||
#define PyUFunc_ee_e \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[36])
|
||||
#define PyUFunc_ee_e_As_ff_f \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[37])
|
||||
#define PyUFunc_ee_e_As_dd_d \
|
||||
(*(void (*)(char **, npy_intp *, npy_intp *, void *)) \
|
||||
PyUFunc_API[38])
|
||||
#define PyUFunc_DefaultTypeResolver \
|
||||
(*(int (*)(PyUFuncObject *, NPY_CASTING, PyArrayObject **, PyObject *, PyArray_Descr **)) \
|
||||
PyUFunc_API[39])
|
||||
#define PyUFunc_ValidateCasting \
|
||||
(*(int (*)(PyUFuncObject *, NPY_CASTING, PyArrayObject **, PyArray_Descr **)) \
|
||||
PyUFunc_API[40])
|
||||
#define PyUFunc_RegisterLoopForDescr \
|
||||
(*(int (*)(PyUFuncObject *, PyArray_Descr *, PyUFuncGenericFunction, PyArray_Descr **, void *)) \
|
||||
PyUFunc_API[41])
|
||||
#define PyUFunc_FromFuncAndDataAndSignatureAndIdentity \
|
||||
(*(PyObject * (*)(PyUFuncGenericFunction *, void **, char *, int, int, int, int, const char *, const char *, const int, const char *, PyObject *)) \
|
||||
PyUFunc_API[42])
|
||||
|
||||
static NPY_INLINE int
|
||||
_import_umath(void)
|
||||
{
|
||||
PyObject *numpy = PyImport_ImportModule("numpy.core._multiarray_umath");
|
||||
PyObject *c_api = NULL;
|
||||
|
||||
if (numpy == NULL) {
|
||||
PyErr_SetString(PyExc_ImportError,
|
||||
"numpy.core._multiarray_umath failed to import");
|
||||
return -1;
|
||||
}
|
||||
c_api = PyObject_GetAttrString(numpy, "_UFUNC_API");
|
||||
Py_DECREF(numpy);
|
||||
if (c_api == NULL) {
|
||||
PyErr_SetString(PyExc_AttributeError, "_UFUNC_API not found");
|
||||
return -1;
|
||||
}
|
||||
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
if (!PyCapsule_CheckExact(c_api)) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is not PyCapsule object");
|
||||
Py_DECREF(c_api);
|
||||
return -1;
|
||||
}
|
||||
PyUFunc_API = (void **)PyCapsule_GetPointer(c_api, NULL);
|
||||
#else
|
||||
if (!PyCObject_Check(c_api)) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is not PyCObject object");
|
||||
Py_DECREF(c_api);
|
||||
return -1;
|
||||
}
|
||||
PyUFunc_API = (void **)PyCObject_AsVoidPtr(c_api);
|
||||
#endif
|
||||
Py_DECREF(c_api);
|
||||
if (PyUFunc_API == NULL) {
|
||||
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is NULL pointer");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
#define NUMPY_IMPORT_UMATH_RETVAL NULL
|
||||
#else
|
||||
#define NUMPY_IMPORT_UMATH_RETVAL
|
||||
#endif
|
||||
|
||||
#define import_umath() \
|
||||
do {\
|
||||
UFUNC_NOFPE\
|
||||
if (_import_umath() < 0) {\
|
||||
PyErr_Print();\
|
||||
PyErr_SetString(PyExc_ImportError,\
|
||||
"numpy.core.umath failed to import");\
|
||||
return NUMPY_IMPORT_UMATH_RETVAL;\
|
||||
}\
|
||||
} while(0)
|
||||
|
||||
#define import_umath1(ret) \
|
||||
do {\
|
||||
UFUNC_NOFPE\
|
||||
if (_import_umath() < 0) {\
|
||||
PyErr_Print();\
|
||||
PyErr_SetString(PyExc_ImportError,\
|
||||
"numpy.core.umath failed to import");\
|
||||
return ret;\
|
||||
}\
|
||||
} while(0)
|
||||
|
||||
#define import_umath2(ret, msg) \
|
||||
do {\
|
||||
UFUNC_NOFPE\
|
||||
if (_import_umath() < 0) {\
|
||||
PyErr_Print();\
|
||||
PyErr_SetString(PyExc_ImportError, msg);\
|
||||
return ret;\
|
||||
}\
|
||||
} while(0)
|
||||
|
||||
#define import_ufunc() \
|
||||
do {\
|
||||
UFUNC_NOFPE\
|
||||
if (_import_umath() < 0) {\
|
||||
PyErr_Print();\
|
||||
PyErr_SetString(PyExc_ImportError,\
|
||||
"numpy.core.umath failed to import");\
|
||||
}\
|
||||
} while(0)
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,90 @@
|
||||
#ifndef _NPY_INCLUDE_NEIGHBORHOOD_IMP
|
||||
#error You should not include this header directly
|
||||
#endif
|
||||
/*
|
||||
* Private API (here for inline)
|
||||
*/
|
||||
static NPY_INLINE int
|
||||
_PyArrayNeighborhoodIter_IncrCoord(PyArrayNeighborhoodIterObject* iter);
|
||||
|
||||
/*
|
||||
* Update to next item of the iterator
|
||||
*
|
||||
* Note: this simply increment the coordinates vector, last dimension
|
||||
* incremented first , i.e, for dimension 3
|
||||
* ...
|
||||
* -1, -1, -1
|
||||
* -1, -1, 0
|
||||
* -1, -1, 1
|
||||
* ....
|
||||
* -1, 0, -1
|
||||
* -1, 0, 0
|
||||
* ....
|
||||
* 0, -1, -1
|
||||
* 0, -1, 0
|
||||
* ....
|
||||
*/
|
||||
#define _UPDATE_COORD_ITER(c) \
|
||||
wb = iter->coordinates[c] < iter->bounds[c][1]; \
|
||||
if (wb) { \
|
||||
iter->coordinates[c] += 1; \
|
||||
return 0; \
|
||||
} \
|
||||
else { \
|
||||
iter->coordinates[c] = iter->bounds[c][0]; \
|
||||
}
|
||||
|
||||
static NPY_INLINE int
|
||||
_PyArrayNeighborhoodIter_IncrCoord(PyArrayNeighborhoodIterObject* iter)
|
||||
{
|
||||
npy_intp i, wb;
|
||||
|
||||
for (i = iter->nd - 1; i >= 0; --i) {
|
||||
_UPDATE_COORD_ITER(i)
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Version optimized for 2d arrays, manual loop unrolling
|
||||
*/
|
||||
static NPY_INLINE int
|
||||
_PyArrayNeighborhoodIter_IncrCoord2D(PyArrayNeighborhoodIterObject* iter)
|
||||
{
|
||||
npy_intp wb;
|
||||
|
||||
_UPDATE_COORD_ITER(1)
|
||||
_UPDATE_COORD_ITER(0)
|
||||
|
||||
return 0;
|
||||
}
|
||||
#undef _UPDATE_COORD_ITER
|
||||
|
||||
/*
|
||||
* Advance to the next neighbour
|
||||
*/
|
||||
static NPY_INLINE int
|
||||
PyArrayNeighborhoodIter_Next(PyArrayNeighborhoodIterObject* iter)
|
||||
{
|
||||
_PyArrayNeighborhoodIter_IncrCoord (iter);
|
||||
iter->dataptr = iter->translate((PyArrayIterObject*)iter, iter->coordinates);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset functions
|
||||
*/
|
||||
static NPY_INLINE int
|
||||
PyArrayNeighborhoodIter_Reset(PyArrayNeighborhoodIterObject* iter)
|
||||
{
|
||||
npy_intp i;
|
||||
|
||||
for (i = 0; i < iter->nd; ++i) {
|
||||
iter->coordinates[i] = iter->bounds[i][0];
|
||||
}
|
||||
iter->dataptr = iter->translate((PyArrayIterObject*)iter, iter->coordinates);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -0,0 +1,32 @@
|
||||
#define NPY_HAVE_ENDIAN_H 1
|
||||
#define NPY_SIZEOF_SHORT SIZEOF_SHORT
|
||||
#define NPY_SIZEOF_INT SIZEOF_INT
|
||||
#define NPY_SIZEOF_LONG SIZEOF_LONG
|
||||
#define NPY_SIZEOF_FLOAT 4
|
||||
#define NPY_SIZEOF_COMPLEX_FLOAT 8
|
||||
#define NPY_SIZEOF_DOUBLE 8
|
||||
#define NPY_SIZEOF_COMPLEX_DOUBLE 16
|
||||
#define NPY_SIZEOF_LONGDOUBLE 16
|
||||
#define NPY_SIZEOF_COMPLEX_LONGDOUBLE 32
|
||||
#define NPY_SIZEOF_PY_INTPTR_T 8
|
||||
#define NPY_SIZEOF_OFF_T 8
|
||||
#define NPY_SIZEOF_PY_LONG_LONG 8
|
||||
#define NPY_SIZEOF_LONGLONG 8
|
||||
#define NPY_NO_SMP 0
|
||||
#define NPY_HAVE_DECL_ISNAN
|
||||
#define NPY_HAVE_DECL_ISINF
|
||||
#define NPY_HAVE_DECL_ISFINITE
|
||||
#define NPY_HAVE_DECL_SIGNBIT
|
||||
#define NPY_USE_C99_COMPLEX 1
|
||||
#define NPY_HAVE_COMPLEX_DOUBLE 1
|
||||
#define NPY_HAVE_COMPLEX_FLOAT 1
|
||||
#define NPY_HAVE_COMPLEX_LONG_DOUBLE 1
|
||||
#define NPY_RELAXED_STRIDES_CHECKING 1
|
||||
#define NPY_USE_C99_FORMATS 1
|
||||
#define NPY_VISIBILITY_HIDDEN __attribute__((visibility("hidden")))
|
||||
#define NPY_ABI_VERSION 0x01000009
|
||||
#define NPY_API_VERSION 0x0000000D
|
||||
|
||||
#ifndef __STDC_FORMAT_MACROS
|
||||
#define __STDC_FORMAT_MACROS 1
|
||||
#endif
|
||||
@ -0,0 +1,11 @@
|
||||
#ifndef Py_ARRAYOBJECT_H
|
||||
#define Py_ARRAYOBJECT_H
|
||||
|
||||
#include "ndarrayobject.h"
|
||||
#include "npy_interrupt.h"
|
||||
|
||||
#ifdef NPY_NO_PREFIX
|
||||
#include "noprefix.h"
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,175 @@
|
||||
#ifndef _NPY_ARRAYSCALARS_H_
|
||||
#define _NPY_ARRAYSCALARS_H_
|
||||
|
||||
#ifndef _MULTIARRAYMODULE
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_bool obval;
|
||||
} PyBoolScalarObject;
|
||||
#endif
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
signed char obval;
|
||||
} PyByteScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
short obval;
|
||||
} PyShortScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
int obval;
|
||||
} PyIntScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
long obval;
|
||||
} PyLongScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_longlong obval;
|
||||
} PyLongLongScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
unsigned char obval;
|
||||
} PyUByteScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
unsigned short obval;
|
||||
} PyUShortScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
unsigned int obval;
|
||||
} PyUIntScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
unsigned long obval;
|
||||
} PyULongScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_ulonglong obval;
|
||||
} PyULongLongScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_half obval;
|
||||
} PyHalfScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
float obval;
|
||||
} PyFloatScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
double obval;
|
||||
} PyDoubleScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_longdouble obval;
|
||||
} PyLongDoubleScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_cfloat obval;
|
||||
} PyCFloatScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_cdouble obval;
|
||||
} PyCDoubleScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_clongdouble obval;
|
||||
} PyCLongDoubleScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
PyObject * obval;
|
||||
} PyObjectScalarObject;
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_datetime obval;
|
||||
PyArray_DatetimeMetaData obmeta;
|
||||
} PyDatetimeScalarObject;
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
npy_timedelta obval;
|
||||
PyArray_DatetimeMetaData obmeta;
|
||||
} PyTimedeltaScalarObject;
|
||||
|
||||
|
||||
typedef struct {
|
||||
PyObject_HEAD
|
||||
char obval;
|
||||
} PyScalarObject;
|
||||
|
||||
#define PyStringScalarObject PyStringObject
|
||||
#define PyUnicodeScalarObject PyUnicodeObject
|
||||
|
||||
typedef struct {
|
||||
PyObject_VAR_HEAD
|
||||
char *obval;
|
||||
PyArray_Descr *descr;
|
||||
int flags;
|
||||
PyObject *base;
|
||||
} PyVoidScalarObject;
|
||||
|
||||
/* Macros
|
||||
Py<Cls><bitsize>ScalarObject
|
||||
Py<Cls><bitsize>ArrType_Type
|
||||
are defined in ndarrayobject.h
|
||||
*/
|
||||
|
||||
#define PyArrayScalar_False ((PyObject *)(&(_PyArrayScalar_BoolValues[0])))
|
||||
#define PyArrayScalar_True ((PyObject *)(&(_PyArrayScalar_BoolValues[1])))
|
||||
#define PyArrayScalar_FromLong(i) \
|
||||
((PyObject *)(&(_PyArrayScalar_BoolValues[((i)!=0)])))
|
||||
#define PyArrayScalar_RETURN_BOOL_FROM_LONG(i) \
|
||||
return Py_INCREF(PyArrayScalar_FromLong(i)), \
|
||||
PyArrayScalar_FromLong(i)
|
||||
#define PyArrayScalar_RETURN_FALSE \
|
||||
return Py_INCREF(PyArrayScalar_False), \
|
||||
PyArrayScalar_False
|
||||
#define PyArrayScalar_RETURN_TRUE \
|
||||
return Py_INCREF(PyArrayScalar_True), \
|
||||
PyArrayScalar_True
|
||||
|
||||
#define PyArrayScalar_New(cls) \
|
||||
Py##cls##ArrType_Type.tp_alloc(&Py##cls##ArrType_Type, 0)
|
||||
#define PyArrayScalar_VAL(obj, cls) \
|
||||
((Py##cls##ScalarObject *)obj)->obval
|
||||
#define PyArrayScalar_ASSIGN(obj, cls, val) \
|
||||
PyArrayScalar_VAL(obj, cls) = val
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,70 @@
|
||||
#ifndef __NPY_HALFFLOAT_H__
|
||||
#define __NPY_HALFFLOAT_H__
|
||||
|
||||
#include <Python.h>
|
||||
#include <numpy/npy_math.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Half-precision routines
|
||||
*/
|
||||
|
||||
/* Conversions */
|
||||
float npy_half_to_float(npy_half h);
|
||||
double npy_half_to_double(npy_half h);
|
||||
npy_half npy_float_to_half(float f);
|
||||
npy_half npy_double_to_half(double d);
|
||||
/* Comparisons */
|
||||
int npy_half_eq(npy_half h1, npy_half h2);
|
||||
int npy_half_ne(npy_half h1, npy_half h2);
|
||||
int npy_half_le(npy_half h1, npy_half h2);
|
||||
int npy_half_lt(npy_half h1, npy_half h2);
|
||||
int npy_half_ge(npy_half h1, npy_half h2);
|
||||
int npy_half_gt(npy_half h1, npy_half h2);
|
||||
/* faster *_nonan variants for when you know h1 and h2 are not NaN */
|
||||
int npy_half_eq_nonan(npy_half h1, npy_half h2);
|
||||
int npy_half_lt_nonan(npy_half h1, npy_half h2);
|
||||
int npy_half_le_nonan(npy_half h1, npy_half h2);
|
||||
/* Miscellaneous functions */
|
||||
int npy_half_iszero(npy_half h);
|
||||
int npy_half_isnan(npy_half h);
|
||||
int npy_half_isinf(npy_half h);
|
||||
int npy_half_isfinite(npy_half h);
|
||||
int npy_half_signbit(npy_half h);
|
||||
npy_half npy_half_copysign(npy_half x, npy_half y);
|
||||
npy_half npy_half_spacing(npy_half h);
|
||||
npy_half npy_half_nextafter(npy_half x, npy_half y);
|
||||
npy_half npy_half_divmod(npy_half x, npy_half y, npy_half *modulus);
|
||||
|
||||
/*
|
||||
* Half-precision constants
|
||||
*/
|
||||
|
||||
#define NPY_HALF_ZERO (0x0000u)
|
||||
#define NPY_HALF_PZERO (0x0000u)
|
||||
#define NPY_HALF_NZERO (0x8000u)
|
||||
#define NPY_HALF_ONE (0x3c00u)
|
||||
#define NPY_HALF_NEGONE (0xbc00u)
|
||||
#define NPY_HALF_PINF (0x7c00u)
|
||||
#define NPY_HALF_NINF (0xfc00u)
|
||||
#define NPY_HALF_NAN (0x7e00u)
|
||||
|
||||
#define NPY_MAX_HALF (0x7bffu)
|
||||
|
||||
/*
|
||||
* Bit-level conversions
|
||||
*/
|
||||
|
||||
npy_uint16 npy_floatbits_to_halfbits(npy_uint32 f);
|
||||
npy_uint16 npy_doublebits_to_halfbits(npy_uint64 d);
|
||||
npy_uint32 npy_halfbits_to_floatbits(npy_uint16 h);
|
||||
npy_uint64 npy_halfbits_to_doublebits(npy_uint16 h);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,285 @@
|
||||
/*
|
||||
* DON'T INCLUDE THIS DIRECTLY.
|
||||
*/
|
||||
|
||||
#ifndef NPY_NDARRAYOBJECT_H
|
||||
#define NPY_NDARRAYOBJECT_H
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <Python.h>
|
||||
#include "ndarraytypes.h"
|
||||
|
||||
/* Includes the "function" C-API -- these are all stored in a
|
||||
list of pointers --- one for each file
|
||||
The two lists are concatenated into one in multiarray.
|
||||
|
||||
They are available as import_array()
|
||||
*/
|
||||
|
||||
#include "__multiarray_api.h"
|
||||
|
||||
|
||||
/* C-API that requires previous API to be defined */
|
||||
|
||||
#define PyArray_DescrCheck(op) PyObject_TypeCheck(op, &PyArrayDescr_Type)
|
||||
|
||||
#define PyArray_Check(op) PyObject_TypeCheck(op, &PyArray_Type)
|
||||
#define PyArray_CheckExact(op) (((PyObject*)(op))->ob_type == &PyArray_Type)
|
||||
|
||||
#define PyArray_HasArrayInterfaceType(op, type, context, out) \
|
||||
((((out)=PyArray_FromStructInterface(op)) != Py_NotImplemented) || \
|
||||
(((out)=PyArray_FromInterface(op)) != Py_NotImplemented) || \
|
||||
(((out)=PyArray_FromArrayAttr(op, type, context)) != \
|
||||
Py_NotImplemented))
|
||||
|
||||
#define PyArray_HasArrayInterface(op, out) \
|
||||
PyArray_HasArrayInterfaceType(op, NULL, NULL, out)
|
||||
|
||||
#define PyArray_IsZeroDim(op) (PyArray_Check(op) && \
|
||||
(PyArray_NDIM((PyArrayObject *)op) == 0))
|
||||
|
||||
#define PyArray_IsScalar(obj, cls) \
|
||||
(PyObject_TypeCheck(obj, &Py##cls##ArrType_Type))
|
||||
|
||||
#define PyArray_CheckScalar(m) (PyArray_IsScalar(m, Generic) || \
|
||||
PyArray_IsZeroDim(m))
|
||||
#if PY_MAJOR_VERSION >= 3
|
||||
#define PyArray_IsPythonNumber(obj) \
|
||||
(PyFloat_Check(obj) || PyComplex_Check(obj) || \
|
||||
PyLong_Check(obj) || PyBool_Check(obj))
|
||||
#define PyArray_IsIntegerScalar(obj) (PyLong_Check(obj) \
|
||||
|| PyArray_IsScalar((obj), Integer))
|
||||
#define PyArray_IsPythonScalar(obj) \
|
||||
(PyArray_IsPythonNumber(obj) || PyBytes_Check(obj) || \
|
||||
PyUnicode_Check(obj))
|
||||
#else
|
||||
#define PyArray_IsPythonNumber(obj) \
|
||||
(PyInt_Check(obj) || PyFloat_Check(obj) || PyComplex_Check(obj) || \
|
||||
PyLong_Check(obj) || PyBool_Check(obj))
|
||||
#define PyArray_IsIntegerScalar(obj) (PyInt_Check(obj) \
|
||||
|| PyLong_Check(obj) \
|
||||
|| PyArray_IsScalar((obj), Integer))
|
||||
#define PyArray_IsPythonScalar(obj) \
|
||||
(PyArray_IsPythonNumber(obj) || PyString_Check(obj) || \
|
||||
PyUnicode_Check(obj))
|
||||
#endif
|
||||
|
||||
#define PyArray_IsAnyScalar(obj) \
|
||||
(PyArray_IsScalar(obj, Generic) || PyArray_IsPythonScalar(obj))
|
||||
|
||||
#define PyArray_CheckAnyScalar(obj) (PyArray_IsPythonScalar(obj) || \
|
||||
PyArray_CheckScalar(obj))
|
||||
|
||||
|
||||
#define PyArray_GETCONTIGUOUS(m) (PyArray_ISCONTIGUOUS(m) ? \
|
||||
Py_INCREF(m), (m) : \
|
||||
(PyArrayObject *)(PyArray_Copy(m)))
|
||||
|
||||
#define PyArray_SAMESHAPE(a1,a2) ((PyArray_NDIM(a1) == PyArray_NDIM(a2)) && \
|
||||
PyArray_CompareLists(PyArray_DIMS(a1), \
|
||||
PyArray_DIMS(a2), \
|
||||
PyArray_NDIM(a1)))
|
||||
|
||||
#define PyArray_SIZE(m) PyArray_MultiplyList(PyArray_DIMS(m), PyArray_NDIM(m))
|
||||
#define PyArray_NBYTES(m) (PyArray_ITEMSIZE(m) * PyArray_SIZE(m))
|
||||
#define PyArray_FROM_O(m) PyArray_FromAny(m, NULL, 0, 0, 0, NULL)
|
||||
|
||||
#define PyArray_FROM_OF(m,flags) PyArray_CheckFromAny(m, NULL, 0, 0, flags, \
|
||||
NULL)
|
||||
|
||||
#define PyArray_FROM_OT(m,type) PyArray_FromAny(m, \
|
||||
PyArray_DescrFromType(type), 0, 0, 0, NULL)
|
||||
|
||||
#define PyArray_FROM_OTF(m, type, flags) \
|
||||
PyArray_FromAny(m, PyArray_DescrFromType(type), 0, 0, \
|
||||
(((flags) & NPY_ARRAY_ENSURECOPY) ? \
|
||||
((flags) | NPY_ARRAY_DEFAULT) : (flags)), NULL)
|
||||
|
||||
#define PyArray_FROMANY(m, type, min, max, flags) \
|
||||
PyArray_FromAny(m, PyArray_DescrFromType(type), min, max, \
|
||||
(((flags) & NPY_ARRAY_ENSURECOPY) ? \
|
||||
(flags) | NPY_ARRAY_DEFAULT : (flags)), NULL)
|
||||
|
||||
#define PyArray_ZEROS(m, dims, type, is_f_order) \
|
||||
PyArray_Zeros(m, dims, PyArray_DescrFromType(type), is_f_order)
|
||||
|
||||
#define PyArray_EMPTY(m, dims, type, is_f_order) \
|
||||
PyArray_Empty(m, dims, PyArray_DescrFromType(type), is_f_order)
|
||||
|
||||
#define PyArray_FILLWBYTE(obj, val) memset(PyArray_DATA(obj), val, \
|
||||
PyArray_NBYTES(obj))
|
||||
#ifndef PYPY_VERSION
|
||||
#define PyArray_REFCOUNT(obj) (((PyObject *)(obj))->ob_refcnt)
|
||||
#define NPY_REFCOUNT PyArray_REFCOUNT
|
||||
#endif
|
||||
#define NPY_MAX_ELSIZE (2 * NPY_SIZEOF_LONGDOUBLE)
|
||||
|
||||
#define PyArray_ContiguousFromAny(op, type, min_depth, max_depth) \
|
||||
PyArray_FromAny(op, PyArray_DescrFromType(type), min_depth, \
|
||||
max_depth, NPY_ARRAY_DEFAULT, NULL)
|
||||
|
||||
#define PyArray_EquivArrTypes(a1, a2) \
|
||||
PyArray_EquivTypes(PyArray_DESCR(a1), PyArray_DESCR(a2))
|
||||
|
||||
#define PyArray_EquivByteorders(b1, b2) \
|
||||
(((b1) == (b2)) || (PyArray_ISNBO(b1) == PyArray_ISNBO(b2)))
|
||||
|
||||
#define PyArray_SimpleNew(nd, dims, typenum) \
|
||||
PyArray_New(&PyArray_Type, nd, dims, typenum, NULL, NULL, 0, 0, NULL)
|
||||
|
||||
#define PyArray_SimpleNewFromData(nd, dims, typenum, data) \
|
||||
PyArray_New(&PyArray_Type, nd, dims, typenum, NULL, \
|
||||
data, 0, NPY_ARRAY_CARRAY, NULL)
|
||||
|
||||
#define PyArray_SimpleNewFromDescr(nd, dims, descr) \
|
||||
PyArray_NewFromDescr(&PyArray_Type, descr, nd, dims, \
|
||||
NULL, NULL, 0, NULL)
|
||||
|
||||
#define PyArray_ToScalar(data, arr) \
|
||||
PyArray_Scalar(data, PyArray_DESCR(arr), (PyObject *)arr)
|
||||
|
||||
|
||||
/* These might be faster without the dereferencing of obj
|
||||
going on inside -- of course an optimizing compiler should
|
||||
inline the constants inside a for loop making it a moot point
|
||||
*/
|
||||
|
||||
#define PyArray_GETPTR1(obj, i) ((void *)(PyArray_BYTES(obj) + \
|
||||
(i)*PyArray_STRIDES(obj)[0]))
|
||||
|
||||
#define PyArray_GETPTR2(obj, i, j) ((void *)(PyArray_BYTES(obj) + \
|
||||
(i)*PyArray_STRIDES(obj)[0] + \
|
||||
(j)*PyArray_STRIDES(obj)[1]))
|
||||
|
||||
#define PyArray_GETPTR3(obj, i, j, k) ((void *)(PyArray_BYTES(obj) + \
|
||||
(i)*PyArray_STRIDES(obj)[0] + \
|
||||
(j)*PyArray_STRIDES(obj)[1] + \
|
||||
(k)*PyArray_STRIDES(obj)[2]))
|
||||
|
||||
#define PyArray_GETPTR4(obj, i, j, k, l) ((void *)(PyArray_BYTES(obj) + \
|
||||
(i)*PyArray_STRIDES(obj)[0] + \
|
||||
(j)*PyArray_STRIDES(obj)[1] + \
|
||||
(k)*PyArray_STRIDES(obj)[2] + \
|
||||
(l)*PyArray_STRIDES(obj)[3]))
|
||||
|
||||
/* Move to arrayobject.c once PyArray_XDECREF_ERR is removed */
|
||||
static NPY_INLINE void
|
||||
PyArray_DiscardWritebackIfCopy(PyArrayObject *arr)
|
||||
{
|
||||
PyArrayObject_fields *fa = (PyArrayObject_fields *)arr;
|
||||
if (fa && fa->base) {
|
||||
if ((fa->flags & NPY_ARRAY_UPDATEIFCOPY) ||
|
||||
(fa->flags & NPY_ARRAY_WRITEBACKIFCOPY)) {
|
||||
PyArray_ENABLEFLAGS((PyArrayObject*)fa->base, NPY_ARRAY_WRITEABLE);
|
||||
Py_DECREF(fa->base);
|
||||
fa->base = NULL;
|
||||
PyArray_CLEARFLAGS(arr, NPY_ARRAY_WRITEBACKIFCOPY);
|
||||
PyArray_CLEARFLAGS(arr, NPY_ARRAY_UPDATEIFCOPY);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#define PyArray_DESCR_REPLACE(descr) do { \
|
||||
PyArray_Descr *_new_; \
|
||||
_new_ = PyArray_DescrNew(descr); \
|
||||
Py_XDECREF(descr); \
|
||||
descr = _new_; \
|
||||
} while(0)
|
||||
|
||||
/* Copy should always return contiguous array */
|
||||
#define PyArray_Copy(obj) PyArray_NewCopy(obj, NPY_CORDER)
|
||||
|
||||
#define PyArray_FromObject(op, type, min_depth, max_depth) \
|
||||
PyArray_FromAny(op, PyArray_DescrFromType(type), min_depth, \
|
||||
max_depth, NPY_ARRAY_BEHAVED | \
|
||||
NPY_ARRAY_ENSUREARRAY, NULL)
|
||||
|
||||
#define PyArray_ContiguousFromObject(op, type, min_depth, max_depth) \
|
||||
PyArray_FromAny(op, PyArray_DescrFromType(type), min_depth, \
|
||||
max_depth, NPY_ARRAY_DEFAULT | \
|
||||
NPY_ARRAY_ENSUREARRAY, NULL)
|
||||
|
||||
#define PyArray_CopyFromObject(op, type, min_depth, max_depth) \
|
||||
PyArray_FromAny(op, PyArray_DescrFromType(type), min_depth, \
|
||||
max_depth, NPY_ARRAY_ENSURECOPY | \
|
||||
NPY_ARRAY_DEFAULT | \
|
||||
NPY_ARRAY_ENSUREARRAY, NULL)
|
||||
|
||||
#define PyArray_Cast(mp, type_num) \
|
||||
PyArray_CastToType(mp, PyArray_DescrFromType(type_num), 0)
|
||||
|
||||
#define PyArray_Take(ap, items, axis) \
|
||||
PyArray_TakeFrom(ap, items, axis, NULL, NPY_RAISE)
|
||||
|
||||
#define PyArray_Put(ap, items, values) \
|
||||
PyArray_PutTo(ap, items, values, NPY_RAISE)
|
||||
|
||||
/* Compatibility with old Numeric stuff -- don't use in new code */
|
||||
|
||||
#define PyArray_FromDimsAndData(nd, d, type, data) \
|
||||
PyArray_FromDimsAndDataAndDescr(nd, d, PyArray_DescrFromType(type), \
|
||||
data)
|
||||
|
||||
|
||||
/*
|
||||
Check to see if this key in the dictionary is the "title"
|
||||
entry of the tuple (i.e. a duplicate dictionary entry in the fields
|
||||
dict.
|
||||
*/
|
||||
|
||||
static NPY_INLINE int
|
||||
NPY_TITLE_KEY_check(PyObject *key, PyObject *value)
|
||||
{
|
||||
PyObject *title;
|
||||
if (PyTuple_Size(value) != 3) {
|
||||
return 0;
|
||||
}
|
||||
title = PyTuple_GetItem(value, 2);
|
||||
if (key == title) {
|
||||
return 1;
|
||||
}
|
||||
#ifdef PYPY_VERSION
|
||||
/*
|
||||
* On PyPy, dictionary keys do not always preserve object identity.
|
||||
* Fall back to comparison by value.
|
||||
*/
|
||||
if (PyUnicode_Check(title) && PyUnicode_Check(key)) {
|
||||
return PyUnicode_Compare(title, key) == 0 ? 1 : 0;
|
||||
}
|
||||
#if PY_VERSION_HEX < 0x03000000
|
||||
if (PyString_Check(title) && PyString_Check(key)) {
|
||||
return PyObject_Compare(title, key) == 0 ? 1 : 0;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Macro, for backward compat with "if NPY_TITLE_KEY(key, value) { ..." */
|
||||
#define NPY_TITLE_KEY(key, value) (NPY_TITLE_KEY_check((key), (value)))
|
||||
|
||||
#define DEPRECATE(msg) PyErr_WarnEx(PyExc_DeprecationWarning,msg,1)
|
||||
#define DEPRECATE_FUTUREWARNING(msg) PyErr_WarnEx(PyExc_FutureWarning,msg,1)
|
||||
|
||||
#if !defined(NPY_NO_DEPRECATED_API) || \
|
||||
(NPY_NO_DEPRECATED_API < NPY_1_14_API_VERSION)
|
||||
static NPY_INLINE void
|
||||
PyArray_XDECREF_ERR(PyArrayObject *arr)
|
||||
{
|
||||
/* 2017-Nov-10 1.14 */
|
||||
DEPRECATE("PyArray_XDECREF_ERR is deprecated, call "
|
||||
"PyArray_DiscardWritebackIfCopy then Py_XDECREF instead");
|
||||
PyArray_DiscardWritebackIfCopy(arr);
|
||||
Py_XDECREF(arr);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* NPY_NDARRAYOBJECT_H */
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,212 @@
|
||||
#ifndef NPY_NOPREFIX_H
|
||||
#define NPY_NOPREFIX_H
|
||||
|
||||
/*
|
||||
* You can directly include noprefix.h as a backward
|
||||
* compatibility measure
|
||||
*/
|
||||
#ifndef NPY_NO_PREFIX
|
||||
#include "ndarrayobject.h"
|
||||
#include "npy_interrupt.h"
|
||||
#endif
|
||||
|
||||
#define SIGSETJMP NPY_SIGSETJMP
|
||||
#define SIGLONGJMP NPY_SIGLONGJMP
|
||||
#define SIGJMP_BUF NPY_SIGJMP_BUF
|
||||
|
||||
#define MAX_DIMS NPY_MAXDIMS
|
||||
|
||||
#define longlong npy_longlong
|
||||
#define ulonglong npy_ulonglong
|
||||
#define Bool npy_bool
|
||||
#define longdouble npy_longdouble
|
||||
#define byte npy_byte
|
||||
|
||||
#ifndef _BSD_SOURCE
|
||||
#define ushort npy_ushort
|
||||
#define uint npy_uint
|
||||
#define ulong npy_ulong
|
||||
#endif
|
||||
|
||||
#define ubyte npy_ubyte
|
||||
#define ushort npy_ushort
|
||||
#define uint npy_uint
|
||||
#define ulong npy_ulong
|
||||
#define cfloat npy_cfloat
|
||||
#define cdouble npy_cdouble
|
||||
#define clongdouble npy_clongdouble
|
||||
#define Int8 npy_int8
|
||||
#define UInt8 npy_uint8
|
||||
#define Int16 npy_int16
|
||||
#define UInt16 npy_uint16
|
||||
#define Int32 npy_int32
|
||||
#define UInt32 npy_uint32
|
||||
#define Int64 npy_int64
|
||||
#define UInt64 npy_uint64
|
||||
#define Int128 npy_int128
|
||||
#define UInt128 npy_uint128
|
||||
#define Int256 npy_int256
|
||||
#define UInt256 npy_uint256
|
||||
#define Float16 npy_float16
|
||||
#define Complex32 npy_complex32
|
||||
#define Float32 npy_float32
|
||||
#define Complex64 npy_complex64
|
||||
#define Float64 npy_float64
|
||||
#define Complex128 npy_complex128
|
||||
#define Float80 npy_float80
|
||||
#define Complex160 npy_complex160
|
||||
#define Float96 npy_float96
|
||||
#define Complex192 npy_complex192
|
||||
#define Float128 npy_float128
|
||||
#define Complex256 npy_complex256
|
||||
#define intp npy_intp
|
||||
#define uintp npy_uintp
|
||||
#define datetime npy_datetime
|
||||
#define timedelta npy_timedelta
|
||||
|
||||
#define SIZEOF_LONGLONG NPY_SIZEOF_LONGLONG
|
||||
#define SIZEOF_INTP NPY_SIZEOF_INTP
|
||||
#define SIZEOF_UINTP NPY_SIZEOF_UINTP
|
||||
#define SIZEOF_HALF NPY_SIZEOF_HALF
|
||||
#define SIZEOF_LONGDOUBLE NPY_SIZEOF_LONGDOUBLE
|
||||
#define SIZEOF_DATETIME NPY_SIZEOF_DATETIME
|
||||
#define SIZEOF_TIMEDELTA NPY_SIZEOF_TIMEDELTA
|
||||
|
||||
#define LONGLONG_FMT NPY_LONGLONG_FMT
|
||||
#define ULONGLONG_FMT NPY_ULONGLONG_FMT
|
||||
#define LONGLONG_SUFFIX NPY_LONGLONG_SUFFIX
|
||||
#define ULONGLONG_SUFFIX NPY_ULONGLONG_SUFFIX
|
||||
|
||||
#define MAX_INT8 127
|
||||
#define MIN_INT8 -128
|
||||
#define MAX_UINT8 255
|
||||
#define MAX_INT16 32767
|
||||
#define MIN_INT16 -32768
|
||||
#define MAX_UINT16 65535
|
||||
#define MAX_INT32 2147483647
|
||||
#define MIN_INT32 (-MAX_INT32 - 1)
|
||||
#define MAX_UINT32 4294967295U
|
||||
#define MAX_INT64 LONGLONG_SUFFIX(9223372036854775807)
|
||||
#define MIN_INT64 (-MAX_INT64 - LONGLONG_SUFFIX(1))
|
||||
#define MAX_UINT64 ULONGLONG_SUFFIX(18446744073709551615)
|
||||
#define MAX_INT128 LONGLONG_SUFFIX(85070591730234615865843651857942052864)
|
||||
#define MIN_INT128 (-MAX_INT128 - LONGLONG_SUFFIX(1))
|
||||
#define MAX_UINT128 ULONGLONG_SUFFIX(170141183460469231731687303715884105728)
|
||||
#define MAX_INT256 LONGLONG_SUFFIX(57896044618658097711785492504343953926634992332820282019728792003956564819967)
|
||||
#define MIN_INT256 (-MAX_INT256 - LONGLONG_SUFFIX(1))
|
||||
#define MAX_UINT256 ULONGLONG_SUFFIX(115792089237316195423570985008687907853269984665640564039457584007913129639935)
|
||||
|
||||
#define MAX_BYTE NPY_MAX_BYTE
|
||||
#define MIN_BYTE NPY_MIN_BYTE
|
||||
#define MAX_UBYTE NPY_MAX_UBYTE
|
||||
#define MAX_SHORT NPY_MAX_SHORT
|
||||
#define MIN_SHORT NPY_MIN_SHORT
|
||||
#define MAX_USHORT NPY_MAX_USHORT
|
||||
#define MAX_INT NPY_MAX_INT
|
||||
#define MIN_INT NPY_MIN_INT
|
||||
#define MAX_UINT NPY_MAX_UINT
|
||||
#define MAX_LONG NPY_MAX_LONG
|
||||
#define MIN_LONG NPY_MIN_LONG
|
||||
#define MAX_ULONG NPY_MAX_ULONG
|
||||
#define MAX_LONGLONG NPY_MAX_LONGLONG
|
||||
#define MIN_LONGLONG NPY_MIN_LONGLONG
|
||||
#define MAX_ULONGLONG NPY_MAX_ULONGLONG
|
||||
#define MIN_DATETIME NPY_MIN_DATETIME
|
||||
#define MAX_DATETIME NPY_MAX_DATETIME
|
||||
#define MIN_TIMEDELTA NPY_MIN_TIMEDELTA
|
||||
#define MAX_TIMEDELTA NPY_MAX_TIMEDELTA
|
||||
|
||||
#define BITSOF_BOOL NPY_BITSOF_BOOL
|
||||
#define BITSOF_CHAR NPY_BITSOF_CHAR
|
||||
#define BITSOF_SHORT NPY_BITSOF_SHORT
|
||||
#define BITSOF_INT NPY_BITSOF_INT
|
||||
#define BITSOF_LONG NPY_BITSOF_LONG
|
||||
#define BITSOF_LONGLONG NPY_BITSOF_LONGLONG
|
||||
#define BITSOF_HALF NPY_BITSOF_HALF
|
||||
#define BITSOF_FLOAT NPY_BITSOF_FLOAT
|
||||
#define BITSOF_DOUBLE NPY_BITSOF_DOUBLE
|
||||
#define BITSOF_LONGDOUBLE NPY_BITSOF_LONGDOUBLE
|
||||
#define BITSOF_DATETIME NPY_BITSOF_DATETIME
|
||||
#define BITSOF_TIMEDELTA NPY_BITSOF_TIMEDELTA
|
||||
|
||||
#define _pya_malloc PyArray_malloc
|
||||
#define _pya_free PyArray_free
|
||||
#define _pya_realloc PyArray_realloc
|
||||
|
||||
#define BEGIN_THREADS_DEF NPY_BEGIN_THREADS_DEF
|
||||
#define BEGIN_THREADS NPY_BEGIN_THREADS
|
||||
#define END_THREADS NPY_END_THREADS
|
||||
#define ALLOW_C_API_DEF NPY_ALLOW_C_API_DEF
|
||||
#define ALLOW_C_API NPY_ALLOW_C_API
|
||||
#define DISABLE_C_API NPY_DISABLE_C_API
|
||||
|
||||
#define PY_FAIL NPY_FAIL
|
||||
#define PY_SUCCEED NPY_SUCCEED
|
||||
|
||||
#ifndef TRUE
|
||||
#define TRUE NPY_TRUE
|
||||
#endif
|
||||
|
||||
#ifndef FALSE
|
||||
#define FALSE NPY_FALSE
|
||||
#endif
|
||||
|
||||
#define LONGDOUBLE_FMT NPY_LONGDOUBLE_FMT
|
||||
|
||||
#define CONTIGUOUS NPY_CONTIGUOUS
|
||||
#define C_CONTIGUOUS NPY_C_CONTIGUOUS
|
||||
#define FORTRAN NPY_FORTRAN
|
||||
#define F_CONTIGUOUS NPY_F_CONTIGUOUS
|
||||
#define OWNDATA NPY_OWNDATA
|
||||
#define FORCECAST NPY_FORCECAST
|
||||
#define ENSURECOPY NPY_ENSURECOPY
|
||||
#define ENSUREARRAY NPY_ENSUREARRAY
|
||||
#define ELEMENTSTRIDES NPY_ELEMENTSTRIDES
|
||||
#define ALIGNED NPY_ALIGNED
|
||||
#define NOTSWAPPED NPY_NOTSWAPPED
|
||||
#define WRITEABLE NPY_WRITEABLE
|
||||
#define UPDATEIFCOPY NPY_UPDATEIFCOPY
|
||||
#define WRITEBACKIFCOPY NPY_ARRAY_WRITEBACKIFCOPY
|
||||
#define ARR_HAS_DESCR NPY_ARR_HAS_DESCR
|
||||
#define BEHAVED NPY_BEHAVED
|
||||
#define BEHAVED_NS NPY_BEHAVED_NS
|
||||
#define CARRAY NPY_CARRAY
|
||||
#define CARRAY_RO NPY_CARRAY_RO
|
||||
#define FARRAY NPY_FARRAY
|
||||
#define FARRAY_RO NPY_FARRAY_RO
|
||||
#define DEFAULT NPY_DEFAULT
|
||||
#define IN_ARRAY NPY_IN_ARRAY
|
||||
#define OUT_ARRAY NPY_OUT_ARRAY
|
||||
#define INOUT_ARRAY NPY_INOUT_ARRAY
|
||||
#define IN_FARRAY NPY_IN_FARRAY
|
||||
#define OUT_FARRAY NPY_OUT_FARRAY
|
||||
#define INOUT_FARRAY NPY_INOUT_FARRAY
|
||||
#define UPDATE_ALL NPY_UPDATE_ALL
|
||||
|
||||
#define OWN_DATA NPY_OWNDATA
|
||||
#define BEHAVED_FLAGS NPY_BEHAVED
|
||||
#define BEHAVED_FLAGS_NS NPY_BEHAVED_NS
|
||||
#define CARRAY_FLAGS_RO NPY_CARRAY_RO
|
||||
#define CARRAY_FLAGS NPY_CARRAY
|
||||
#define FARRAY_FLAGS NPY_FARRAY
|
||||
#define FARRAY_FLAGS_RO NPY_FARRAY_RO
|
||||
#define DEFAULT_FLAGS NPY_DEFAULT
|
||||
#define UPDATE_ALL_FLAGS NPY_UPDATE_ALL_FLAGS
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN PyArray_MIN
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX PyArray_MAX
|
||||
#endif
|
||||
#define MAX_INTP NPY_MAX_INTP
|
||||
#define MIN_INTP NPY_MIN_INTP
|
||||
#define MAX_UINTP NPY_MAX_UINTP
|
||||
#define INTP_FMT NPY_INTP_FMT
|
||||
|
||||
#ifndef PYPY_VERSION
|
||||
#define REFCOUNT PyArray_REFCOUNT
|
||||
#define MAX_ELSIZE NPY_MAX_ELSIZE
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,133 @@
|
||||
#ifndef _NPY_1_7_DEPRECATED_API_H
|
||||
#define _NPY_1_7_DEPRECATED_API_H
|
||||
|
||||
#ifndef NPY_DEPRECATED_INCLUDES
|
||||
#error "Should never include npy_*_*_deprecated_api directly."
|
||||
#endif
|
||||
|
||||
/* Emit a warning if the user did not specifically request the old API */
|
||||
#ifndef NPY_NO_DEPRECATED_API
|
||||
#if defined(_WIN32)
|
||||
#define _WARN___STR2__(x) #x
|
||||
#define _WARN___STR1__(x) _WARN___STR2__(x)
|
||||
#define _WARN___LOC__ __FILE__ "(" _WARN___STR1__(__LINE__) ") : Warning Msg: "
|
||||
#pragma message(_WARN___LOC__"Using deprecated NumPy API, disable it with " \
|
||||
"#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION")
|
||||
#elif defined(__GNUC__)
|
||||
#warning "Using deprecated NumPy API, disable it with " \
|
||||
"#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION"
|
||||
#endif
|
||||
/* TODO: How to do this warning message for other compilers? */
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This header exists to collect all dangerous/deprecated NumPy API
|
||||
* as of NumPy 1.7.
|
||||
*
|
||||
* This is an attempt to remove bad API, the proliferation of macros,
|
||||
* and namespace pollution currently produced by the NumPy headers.
|
||||
*/
|
||||
|
||||
/* These array flags are deprecated as of NumPy 1.7 */
|
||||
#define NPY_CONTIGUOUS NPY_ARRAY_C_CONTIGUOUS
|
||||
#define NPY_FORTRAN NPY_ARRAY_F_CONTIGUOUS
|
||||
|
||||
/*
|
||||
* The consistent NPY_ARRAY_* names which don't pollute the NPY_*
|
||||
* namespace were added in NumPy 1.7.
|
||||
*
|
||||
* These versions of the carray flags are deprecated, but
|
||||
* probably should only be removed after two releases instead of one.
|
||||
*/
|
||||
#define NPY_C_CONTIGUOUS NPY_ARRAY_C_CONTIGUOUS
|
||||
#define NPY_F_CONTIGUOUS NPY_ARRAY_F_CONTIGUOUS
|
||||
#define NPY_OWNDATA NPY_ARRAY_OWNDATA
|
||||
#define NPY_FORCECAST NPY_ARRAY_FORCECAST
|
||||
#define NPY_ENSURECOPY NPY_ARRAY_ENSURECOPY
|
||||
#define NPY_ENSUREARRAY NPY_ARRAY_ENSUREARRAY
|
||||
#define NPY_ELEMENTSTRIDES NPY_ARRAY_ELEMENTSTRIDES
|
||||
#define NPY_ALIGNED NPY_ARRAY_ALIGNED
|
||||
#define NPY_NOTSWAPPED NPY_ARRAY_NOTSWAPPED
|
||||
#define NPY_WRITEABLE NPY_ARRAY_WRITEABLE
|
||||
#define NPY_UPDATEIFCOPY NPY_ARRAY_UPDATEIFCOPY
|
||||
#define NPY_BEHAVED NPY_ARRAY_BEHAVED
|
||||
#define NPY_BEHAVED_NS NPY_ARRAY_BEHAVED_NS
|
||||
#define NPY_CARRAY NPY_ARRAY_CARRAY
|
||||
#define NPY_CARRAY_RO NPY_ARRAY_CARRAY_RO
|
||||
#define NPY_FARRAY NPY_ARRAY_FARRAY
|
||||
#define NPY_FARRAY_RO NPY_ARRAY_FARRAY_RO
|
||||
#define NPY_DEFAULT NPY_ARRAY_DEFAULT
|
||||
#define NPY_IN_ARRAY NPY_ARRAY_IN_ARRAY
|
||||
#define NPY_OUT_ARRAY NPY_ARRAY_OUT_ARRAY
|
||||
#define NPY_INOUT_ARRAY NPY_ARRAY_INOUT_ARRAY
|
||||
#define NPY_IN_FARRAY NPY_ARRAY_IN_FARRAY
|
||||
#define NPY_OUT_FARRAY NPY_ARRAY_OUT_FARRAY
|
||||
#define NPY_INOUT_FARRAY NPY_ARRAY_INOUT_FARRAY
|
||||
#define NPY_UPDATE_ALL NPY_ARRAY_UPDATE_ALL
|
||||
|
||||
/* This way of accessing the default type is deprecated as of NumPy 1.7 */
|
||||
#define PyArray_DEFAULT NPY_DEFAULT_TYPE
|
||||
|
||||
/* These DATETIME bits aren't used internally */
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
#define PyDataType_GetDatetimeMetaData(descr) \
|
||||
((descr->metadata == NULL) ? NULL : \
|
||||
((PyArray_DatetimeMetaData *)(PyCapsule_GetPointer( \
|
||||
PyDict_GetItemString( \
|
||||
descr->metadata, NPY_METADATA_DTSTR), NULL))))
|
||||
#else
|
||||
#define PyDataType_GetDatetimeMetaData(descr) \
|
||||
((descr->metadata == NULL) ? NULL : \
|
||||
((PyArray_DatetimeMetaData *)(PyCObject_AsVoidPtr( \
|
||||
PyDict_GetItemString(descr->metadata, NPY_METADATA_DTSTR)))))
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Deprecated as of NumPy 1.7, this kind of shortcut doesn't
|
||||
* belong in the public API.
|
||||
*/
|
||||
#define NPY_AO PyArrayObject
|
||||
|
||||
/*
|
||||
* Deprecated as of NumPy 1.7, an all-lowercase macro doesn't
|
||||
* belong in the public API.
|
||||
*/
|
||||
#define fortran fortran_
|
||||
|
||||
/*
|
||||
* Deprecated as of NumPy 1.7, as it is a namespace-polluting
|
||||
* macro.
|
||||
*/
|
||||
#define FORTRAN_IF PyArray_FORTRAN_IF
|
||||
|
||||
/* Deprecated as of NumPy 1.7, datetime64 uses c_metadata instead */
|
||||
#define NPY_METADATA_DTSTR "__timeunit__"
|
||||
|
||||
/*
|
||||
* Deprecated as of NumPy 1.7.
|
||||
* The reasoning:
|
||||
* - These are for datetime, but there's no datetime "namespace".
|
||||
* - They just turn NPY_STR_<x> into "<x>", which is just
|
||||
* making something simple be indirected.
|
||||
*/
|
||||
#define NPY_STR_Y "Y"
|
||||
#define NPY_STR_M "M"
|
||||
#define NPY_STR_W "W"
|
||||
#define NPY_STR_D "D"
|
||||
#define NPY_STR_h "h"
|
||||
#define NPY_STR_m "m"
|
||||
#define NPY_STR_s "s"
|
||||
#define NPY_STR_ms "ms"
|
||||
#define NPY_STR_us "us"
|
||||
#define NPY_STR_ns "ns"
|
||||
#define NPY_STR_ps "ps"
|
||||
#define NPY_STR_fs "fs"
|
||||
#define NPY_STR_as "as"
|
||||
|
||||
/*
|
||||
* The macros in old_defines.h are Deprecated as of NumPy 1.7 and will be
|
||||
* removed in the next major release.
|
||||
*/
|
||||
#include "old_defines.h"
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,577 @@
|
||||
/*
|
||||
* This is a convenience header file providing compatibility utilities
|
||||
* for supporting Python 2 and Python 3 in the same code base.
|
||||
*
|
||||
* If you want to use this for your own projects, it's recommended to make a
|
||||
* copy of it. Although the stuff below is unlikely to change, we don't provide
|
||||
* strong backwards compatibility guarantees at the moment.
|
||||
*/
|
||||
|
||||
#ifndef _NPY_3KCOMPAT_H_
|
||||
#define _NPY_3KCOMPAT_H_
|
||||
|
||||
#include <Python.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
#ifndef NPY_PY3K
|
||||
#define NPY_PY3K 1
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#include "numpy/npy_common.h"
|
||||
#include "numpy/ndarrayobject.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PyInt -> PyLong
|
||||
*/
|
||||
|
||||
#if defined(NPY_PY3K)
|
||||
/* Return True only if the long fits in a C long */
|
||||
static NPY_INLINE int PyInt_Check(PyObject *op) {
|
||||
int overflow = 0;
|
||||
if (!PyLong_Check(op)) {
|
||||
return 0;
|
||||
}
|
||||
PyLong_AsLongAndOverflow(op, &overflow);
|
||||
return (overflow == 0);
|
||||
}
|
||||
|
||||
#define PyInt_FromLong PyLong_FromLong
|
||||
#define PyInt_AsLong PyLong_AsLong
|
||||
#define PyInt_AS_LONG PyLong_AsLong
|
||||
#define PyInt_AsSsize_t PyLong_AsSsize_t
|
||||
|
||||
/* NOTE:
|
||||
*
|
||||
* Since the PyLong type is very different from the fixed-range PyInt,
|
||||
* we don't define PyInt_Type -> PyLong_Type.
|
||||
*/
|
||||
#endif /* NPY_PY3K */
|
||||
|
||||
/* Py3 changes PySlice_GetIndicesEx' first argument's type to PyObject* */
|
||||
#ifdef NPY_PY3K
|
||||
# define NpySlice_GetIndicesEx PySlice_GetIndicesEx
|
||||
#else
|
||||
# define NpySlice_GetIndicesEx(op, nop, start, end, step, slicelength) \
|
||||
PySlice_GetIndicesEx((PySliceObject *)op, nop, start, end, step, slicelength)
|
||||
#endif
|
||||
|
||||
/* <2.7.11 and <3.4.4 have the wrong argument type for Py_EnterRecursiveCall */
|
||||
#if (PY_VERSION_HEX < 0x02070B00) || \
|
||||
((0x03000000 <= PY_VERSION_HEX) && (PY_VERSION_HEX < 0x03040400))
|
||||
#define Npy_EnterRecursiveCall(x) Py_EnterRecursiveCall((char *)(x))
|
||||
#else
|
||||
#define Npy_EnterRecursiveCall(x) Py_EnterRecursiveCall(x)
|
||||
#endif
|
||||
|
||||
/* Py_SETREF was added in 3.5.2, and only if Py_LIMITED_API is absent */
|
||||
#if PY_VERSION_HEX < 0x03050200
|
||||
#define Py_SETREF(op, op2) \
|
||||
do { \
|
||||
PyObject *_py_tmp = (PyObject *)(op); \
|
||||
(op) = (op2); \
|
||||
Py_DECREF(_py_tmp); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PyString -> PyBytes
|
||||
*/
|
||||
|
||||
#if defined(NPY_PY3K)
|
||||
|
||||
#define PyString_Type PyBytes_Type
|
||||
#define PyString_Check PyBytes_Check
|
||||
#define PyStringObject PyBytesObject
|
||||
#define PyString_FromString PyBytes_FromString
|
||||
#define PyString_FromStringAndSize PyBytes_FromStringAndSize
|
||||
#define PyString_AS_STRING PyBytes_AS_STRING
|
||||
#define PyString_AsStringAndSize PyBytes_AsStringAndSize
|
||||
#define PyString_FromFormat PyBytes_FromFormat
|
||||
#define PyString_Concat PyBytes_Concat
|
||||
#define PyString_ConcatAndDel PyBytes_ConcatAndDel
|
||||
#define PyString_AsString PyBytes_AsString
|
||||
#define PyString_GET_SIZE PyBytes_GET_SIZE
|
||||
#define PyString_Size PyBytes_Size
|
||||
|
||||
#define PyUString_Type PyUnicode_Type
|
||||
#define PyUString_Check PyUnicode_Check
|
||||
#define PyUStringObject PyUnicodeObject
|
||||
#define PyUString_FromString PyUnicode_FromString
|
||||
#define PyUString_FromStringAndSize PyUnicode_FromStringAndSize
|
||||
#define PyUString_FromFormat PyUnicode_FromFormat
|
||||
#define PyUString_Concat PyUnicode_Concat2
|
||||
#define PyUString_ConcatAndDel PyUnicode_ConcatAndDel
|
||||
#define PyUString_GET_SIZE PyUnicode_GET_SIZE
|
||||
#define PyUString_Size PyUnicode_Size
|
||||
#define PyUString_InternFromString PyUnicode_InternFromString
|
||||
#define PyUString_Format PyUnicode_Format
|
||||
|
||||
#define PyBaseString_Check(obj) (PyUnicode_Check(obj))
|
||||
|
||||
#else
|
||||
|
||||
#define PyBytes_Type PyString_Type
|
||||
#define PyBytes_Check PyString_Check
|
||||
#define PyBytesObject PyStringObject
|
||||
#define PyBytes_FromString PyString_FromString
|
||||
#define PyBytes_FromStringAndSize PyString_FromStringAndSize
|
||||
#define PyBytes_AS_STRING PyString_AS_STRING
|
||||
#define PyBytes_AsStringAndSize PyString_AsStringAndSize
|
||||
#define PyBytes_FromFormat PyString_FromFormat
|
||||
#define PyBytes_Concat PyString_Concat
|
||||
#define PyBytes_ConcatAndDel PyString_ConcatAndDel
|
||||
#define PyBytes_AsString PyString_AsString
|
||||
#define PyBytes_GET_SIZE PyString_GET_SIZE
|
||||
#define PyBytes_Size PyString_Size
|
||||
|
||||
#define PyUString_Type PyString_Type
|
||||
#define PyUString_Check PyString_Check
|
||||
#define PyUStringObject PyStringObject
|
||||
#define PyUString_FromString PyString_FromString
|
||||
#define PyUString_FromStringAndSize PyString_FromStringAndSize
|
||||
#define PyUString_FromFormat PyString_FromFormat
|
||||
#define PyUString_Concat PyString_Concat
|
||||
#define PyUString_ConcatAndDel PyString_ConcatAndDel
|
||||
#define PyUString_GET_SIZE PyString_GET_SIZE
|
||||
#define PyUString_Size PyString_Size
|
||||
#define PyUString_InternFromString PyString_InternFromString
|
||||
#define PyUString_Format PyString_Format
|
||||
|
||||
#define PyBaseString_Check(obj) (PyBytes_Check(obj) || PyUnicode_Check(obj))
|
||||
|
||||
#endif /* NPY_PY3K */
|
||||
|
||||
|
||||
static NPY_INLINE void
|
||||
PyUnicode_ConcatAndDel(PyObject **left, PyObject *right)
|
||||
{
|
||||
Py_SETREF(*left, PyUnicode_Concat(*left, right));
|
||||
Py_DECREF(right);
|
||||
}
|
||||
|
||||
static NPY_INLINE void
|
||||
PyUnicode_Concat2(PyObject **left, PyObject *right)
|
||||
{
|
||||
Py_SETREF(*left, PyUnicode_Concat(*left, right));
|
||||
}
|
||||
|
||||
/*
|
||||
* PyFile_* compatibility
|
||||
*/
|
||||
|
||||
/*
|
||||
* Get a FILE* handle to the file represented by the Python object
|
||||
*/
|
||||
static NPY_INLINE FILE*
|
||||
npy_PyFile_Dup2(PyObject *file, char *mode, npy_off_t *orig_pos)
|
||||
{
|
||||
int fd, fd2, unbuf;
|
||||
PyObject *ret, *os, *io, *io_raw;
|
||||
npy_off_t pos;
|
||||
FILE *handle;
|
||||
|
||||
/* For Python 2 PyFileObject, use PyFile_AsFile */
|
||||
#if !defined(NPY_PY3K)
|
||||
if (PyFile_Check(file)) {
|
||||
return PyFile_AsFile(file);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Flush first to ensure things end up in the file in the correct order */
|
||||
ret = PyObject_CallMethod(file, "flush", "");
|
||||
if (ret == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
Py_DECREF(ret);
|
||||
fd = PyObject_AsFileDescriptor(file);
|
||||
if (fd == -1) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* The handle needs to be dup'd because we have to call fclose
|
||||
* at the end
|
||||
*/
|
||||
os = PyImport_ImportModule("os");
|
||||
if (os == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
ret = PyObject_CallMethod(os, "dup", "i", fd);
|
||||
Py_DECREF(os);
|
||||
if (ret == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
fd2 = PyNumber_AsSsize_t(ret, NULL);
|
||||
Py_DECREF(ret);
|
||||
|
||||
/* Convert to FILE* handle */
|
||||
#ifdef _WIN32
|
||||
handle = _fdopen(fd2, mode);
|
||||
#else
|
||||
handle = fdopen(fd2, mode);
|
||||
#endif
|
||||
if (handle == NULL) {
|
||||
PyErr_SetString(PyExc_IOError,
|
||||
"Getting a FILE* from a Python file object failed");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Record the original raw file handle position */
|
||||
*orig_pos = npy_ftell(handle);
|
||||
if (*orig_pos == -1) {
|
||||
/* The io module is needed to determine if buffering is used */
|
||||
io = PyImport_ImportModule("io");
|
||||
if (io == NULL) {
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
/* File object instances of RawIOBase are unbuffered */
|
||||
io_raw = PyObject_GetAttrString(io, "RawIOBase");
|
||||
Py_DECREF(io);
|
||||
if (io_raw == NULL) {
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
unbuf = PyObject_IsInstance(file, io_raw);
|
||||
Py_DECREF(io_raw);
|
||||
if (unbuf == 1) {
|
||||
/* Succeed if the IO is unbuffered */
|
||||
return handle;
|
||||
}
|
||||
else {
|
||||
PyErr_SetString(PyExc_IOError, "obtaining file position failed");
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Seek raw handle to the Python-side position */
|
||||
ret = PyObject_CallMethod(file, "tell", "");
|
||||
if (ret == NULL) {
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
pos = PyLong_AsLongLong(ret);
|
||||
Py_DECREF(ret);
|
||||
if (PyErr_Occurred()) {
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
if (npy_fseek(handle, pos, SEEK_SET) == -1) {
|
||||
PyErr_SetString(PyExc_IOError, "seeking file failed");
|
||||
fclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
return handle;
|
||||
}
|
||||
|
||||
/*
|
||||
* Close the dup-ed file handle, and seek the Python one to the current position
|
||||
*/
|
||||
static NPY_INLINE int
|
||||
npy_PyFile_DupClose2(PyObject *file, FILE* handle, npy_off_t orig_pos)
|
||||
{
|
||||
int fd, unbuf;
|
||||
PyObject *ret, *io, *io_raw;
|
||||
npy_off_t position;
|
||||
|
||||
/* For Python 2 PyFileObject, do nothing */
|
||||
#if !defined(NPY_PY3K)
|
||||
if (PyFile_Check(file)) {
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
position = npy_ftell(handle);
|
||||
|
||||
/* Close the FILE* handle */
|
||||
fclose(handle);
|
||||
|
||||
/*
|
||||
* Restore original file handle position, in order to not confuse
|
||||
* Python-side data structures
|
||||
*/
|
||||
fd = PyObject_AsFileDescriptor(file);
|
||||
if (fd == -1) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (npy_lseek(fd, orig_pos, SEEK_SET) == -1) {
|
||||
|
||||
/* The io module is needed to determine if buffering is used */
|
||||
io = PyImport_ImportModule("io");
|
||||
if (io == NULL) {
|
||||
return -1;
|
||||
}
|
||||
/* File object instances of RawIOBase are unbuffered */
|
||||
io_raw = PyObject_GetAttrString(io, "RawIOBase");
|
||||
Py_DECREF(io);
|
||||
if (io_raw == NULL) {
|
||||
return -1;
|
||||
}
|
||||
unbuf = PyObject_IsInstance(file, io_raw);
|
||||
Py_DECREF(io_raw);
|
||||
if (unbuf == 1) {
|
||||
/* Succeed if the IO is unbuffered */
|
||||
return 0;
|
||||
}
|
||||
else {
|
||||
PyErr_SetString(PyExc_IOError, "seeking file failed");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (position == -1) {
|
||||
PyErr_SetString(PyExc_IOError, "obtaining file position failed");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Seek Python-side handle to the FILE* handle position */
|
||||
ret = PyObject_CallMethod(file, "seek", NPY_OFF_T_PYFMT "i", position, 0);
|
||||
if (ret == NULL) {
|
||||
return -1;
|
||||
}
|
||||
Py_DECREF(ret);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static NPY_INLINE int
|
||||
npy_PyFile_Check(PyObject *file)
|
||||
{
|
||||
int fd;
|
||||
/* For Python 2, check if it is a PyFileObject */
|
||||
#if !defined(NPY_PY3K)
|
||||
if (PyFile_Check(file)) {
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
fd = PyObject_AsFileDescriptor(file);
|
||||
if (fd == -1) {
|
||||
PyErr_Clear();
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static NPY_INLINE PyObject*
|
||||
npy_PyFile_OpenFile(PyObject *filename, const char *mode)
|
||||
{
|
||||
PyObject *open;
|
||||
open = PyDict_GetItemString(PyEval_GetBuiltins(), "open");
|
||||
if (open == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
return PyObject_CallFunction(open, "Os", filename, mode);
|
||||
}
|
||||
|
||||
static NPY_INLINE int
|
||||
npy_PyFile_CloseFile(PyObject *file)
|
||||
{
|
||||
PyObject *ret;
|
||||
|
||||
ret = PyObject_CallMethod(file, "close", NULL);
|
||||
if (ret == NULL) {
|
||||
return -1;
|
||||
}
|
||||
Py_DECREF(ret);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* This is a copy of _PyErr_ChainExceptions
|
||||
*/
|
||||
static NPY_INLINE void
|
||||
npy_PyErr_ChainExceptions(PyObject *exc, PyObject *val, PyObject *tb)
|
||||
{
|
||||
if (exc == NULL)
|
||||
return;
|
||||
|
||||
if (PyErr_Occurred()) {
|
||||
/* only py3 supports this anyway */
|
||||
#ifdef NPY_PY3K
|
||||
PyObject *exc2, *val2, *tb2;
|
||||
PyErr_Fetch(&exc2, &val2, &tb2);
|
||||
PyErr_NormalizeException(&exc, &val, &tb);
|
||||
if (tb != NULL) {
|
||||
PyException_SetTraceback(val, tb);
|
||||
Py_DECREF(tb);
|
||||
}
|
||||
Py_DECREF(exc);
|
||||
PyErr_NormalizeException(&exc2, &val2, &tb2);
|
||||
PyException_SetContext(val2, val);
|
||||
PyErr_Restore(exc2, val2, tb2);
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
PyErr_Restore(exc, val, tb);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* This is a copy of _PyErr_ChainExceptions, with:
|
||||
* - a minimal implementation for python 2
|
||||
* - __cause__ used instead of __context__
|
||||
*/
|
||||
static NPY_INLINE void
|
||||
npy_PyErr_ChainExceptionsCause(PyObject *exc, PyObject *val, PyObject *tb)
|
||||
{
|
||||
if (exc == NULL)
|
||||
return;
|
||||
|
||||
if (PyErr_Occurred()) {
|
||||
/* only py3 supports this anyway */
|
||||
#ifdef NPY_PY3K
|
||||
PyObject *exc2, *val2, *tb2;
|
||||
PyErr_Fetch(&exc2, &val2, &tb2);
|
||||
PyErr_NormalizeException(&exc, &val, &tb);
|
||||
if (tb != NULL) {
|
||||
PyException_SetTraceback(val, tb);
|
||||
Py_DECREF(tb);
|
||||
}
|
||||
Py_DECREF(exc);
|
||||
PyErr_NormalizeException(&exc2, &val2, &tb2);
|
||||
PyException_SetCause(val2, val);
|
||||
PyErr_Restore(exc2, val2, tb2);
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
PyErr_Restore(exc, val, tb);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* PyObject_Cmp
|
||||
*/
|
||||
#if defined(NPY_PY3K)
|
||||
static NPY_INLINE int
|
||||
PyObject_Cmp(PyObject *i1, PyObject *i2, int *cmp)
|
||||
{
|
||||
int v;
|
||||
v = PyObject_RichCompareBool(i1, i2, Py_LT);
|
||||
if (v == 1) {
|
||||
*cmp = -1;
|
||||
return 1;
|
||||
}
|
||||
else if (v == -1) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
v = PyObject_RichCompareBool(i1, i2, Py_GT);
|
||||
if (v == 1) {
|
||||
*cmp = 1;
|
||||
return 1;
|
||||
}
|
||||
else if (v == -1) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
v = PyObject_RichCompareBool(i1, i2, Py_EQ);
|
||||
if (v == 1) {
|
||||
*cmp = 0;
|
||||
return 1;
|
||||
}
|
||||
else {
|
||||
*cmp = 0;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PyCObject functions adapted to PyCapsules.
|
||||
*
|
||||
* The main job here is to get rid of the improved error handling
|
||||
* of PyCapsules. It's a shame...
|
||||
*/
|
||||
#if PY_VERSION_HEX >= 0x03000000
|
||||
|
||||
static NPY_INLINE PyObject *
|
||||
NpyCapsule_FromVoidPtr(void *ptr, void (*dtor)(PyObject *))
|
||||
{
|
||||
PyObject *ret = PyCapsule_New(ptr, NULL, dtor);
|
||||
if (ret == NULL) {
|
||||
PyErr_Clear();
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static NPY_INLINE PyObject *
|
||||
NpyCapsule_FromVoidPtrAndDesc(void *ptr, void* context, void (*dtor)(PyObject *))
|
||||
{
|
||||
PyObject *ret = NpyCapsule_FromVoidPtr(ptr, dtor);
|
||||
if (ret != NULL && PyCapsule_SetContext(ret, context) != 0) {
|
||||
PyErr_Clear();
|
||||
Py_DECREF(ret);
|
||||
ret = NULL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static NPY_INLINE void *
|
||||
NpyCapsule_AsVoidPtr(PyObject *obj)
|
||||
{
|
||||
void *ret = PyCapsule_GetPointer(obj, NULL);
|
||||
if (ret == NULL) {
|
||||
PyErr_Clear();
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static NPY_INLINE void *
|
||||
NpyCapsule_GetDesc(PyObject *obj)
|
||||
{
|
||||
return PyCapsule_GetContext(obj);
|
||||
}
|
||||
|
||||
static NPY_INLINE int
|
||||
NpyCapsule_Check(PyObject *ptr)
|
||||
{
|
||||
return PyCapsule_CheckExact(ptr);
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static NPY_INLINE PyObject *
|
||||
NpyCapsule_FromVoidPtr(void *ptr, void (*dtor)(void *))
|
||||
{
|
||||
return PyCObject_FromVoidPtr(ptr, dtor);
|
||||
}
|
||||
|
||||
static NPY_INLINE PyObject *
|
||||
NpyCapsule_FromVoidPtrAndDesc(void *ptr, void* context,
|
||||
void (*dtor)(void *, void *))
|
||||
{
|
||||
return PyCObject_FromVoidPtrAndDesc(ptr, context, dtor);
|
||||
}
|
||||
|
||||
static NPY_INLINE void *
|
||||
NpyCapsule_AsVoidPtr(PyObject *ptr)
|
||||
{
|
||||
return PyCObject_AsVoidPtr(ptr);
|
||||
}
|
||||
|
||||
static NPY_INLINE void *
|
||||
NpyCapsule_GetDesc(PyObject *obj)
|
||||
{
|
||||
return PyCObject_GetDesc(obj);
|
||||
}
|
||||
|
||||
static NPY_INLINE int
|
||||
NpyCapsule_Check(PyObject *ptr)
|
||||
{
|
||||
return PyCObject_Check(ptr);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _NPY_3KCOMPAT_H_ */
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,118 @@
|
||||
/*
|
||||
* This set (target) cpu specific macros:
|
||||
* - Possible values:
|
||||
* NPY_CPU_X86
|
||||
* NPY_CPU_AMD64
|
||||
* NPY_CPU_PPC
|
||||
* NPY_CPU_PPC64
|
||||
* NPY_CPU_PPC64LE
|
||||
* NPY_CPU_SPARC
|
||||
* NPY_CPU_S390
|
||||
* NPY_CPU_IA64
|
||||
* NPY_CPU_HPPA
|
||||
* NPY_CPU_ALPHA
|
||||
* NPY_CPU_ARMEL
|
||||
* NPY_CPU_ARMEB
|
||||
* NPY_CPU_SH_LE
|
||||
* NPY_CPU_SH_BE
|
||||
* NPY_CPU_ARCEL
|
||||
* NPY_CPU_ARCEB
|
||||
* NPY_CPU_RISCV64
|
||||
*/
|
||||
#ifndef _NPY_CPUARCH_H_
|
||||
#define _NPY_CPUARCH_H_
|
||||
|
||||
#include "numpyconfig.h"
|
||||
#include <string.h> /* for memcpy */
|
||||
|
||||
#if defined( __i386__ ) || defined(i386) || defined(_M_IX86)
|
||||
/*
|
||||
* __i386__ is defined by gcc and Intel compiler on Linux,
|
||||
* _M_IX86 by VS compiler,
|
||||
* i386 by Sun compilers on opensolaris at least
|
||||
*/
|
||||
#define NPY_CPU_X86
|
||||
#elif defined(__x86_64__) || defined(__amd64__) || defined(__x86_64) || defined(_M_AMD64)
|
||||
/*
|
||||
* both __x86_64__ and __amd64__ are defined by gcc
|
||||
* __x86_64 defined by sun compiler on opensolaris at least
|
||||
* _M_AMD64 defined by MS compiler
|
||||
*/
|
||||
#define NPY_CPU_AMD64
|
||||
#elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)
|
||||
#define NPY_CPU_PPC64LE
|
||||
#elif defined(__powerpc64__) && defined(__BIG_ENDIAN__)
|
||||
#define NPY_CPU_PPC64
|
||||
#elif defined(__ppc__) || defined(__powerpc__) || defined(_ARCH_PPC)
|
||||
/*
|
||||
* __ppc__ is defined by gcc, I remember having seen __powerpc__ once,
|
||||
* but can't find it ATM
|
||||
* _ARCH_PPC is used by at least gcc on AIX
|
||||
* As __powerpc__ and _ARCH_PPC are also defined by PPC64 check
|
||||
* for those specifically first before defaulting to ppc
|
||||
*/
|
||||
#define NPY_CPU_PPC
|
||||
#elif defined(__sparc__) || defined(__sparc)
|
||||
/* __sparc__ is defined by gcc and Forte (e.g. Sun) compilers */
|
||||
#define NPY_CPU_SPARC
|
||||
#elif defined(__s390__)
|
||||
#define NPY_CPU_S390
|
||||
#elif defined(__ia64)
|
||||
#define NPY_CPU_IA64
|
||||
#elif defined(__hppa)
|
||||
#define NPY_CPU_HPPA
|
||||
#elif defined(__alpha__)
|
||||
#define NPY_CPU_ALPHA
|
||||
#elif defined(__arm__) || defined(__aarch64__)
|
||||
#if defined(__ARMEB__) || defined(__AARCH64EB__)
|
||||
#if defined(__ARM_32BIT_STATE)
|
||||
#define NPY_CPU_ARMEB_AARCH32
|
||||
#elif defined(__ARM_64BIT_STATE)
|
||||
#define NPY_CPU_ARMEB_AARCH64
|
||||
#else
|
||||
#define NPY_CPU_ARMEB
|
||||
#endif
|
||||
#elif defined(__ARMEL__) || defined(__AARCH64EL__)
|
||||
#if defined(__ARM_32BIT_STATE)
|
||||
#define NPY_CPU_ARMEL_AARCH32
|
||||
#elif defined(__ARM_64BIT_STATE)
|
||||
#define NPY_CPU_ARMEL_AARCH64
|
||||
#else
|
||||
#define NPY_CPU_ARMEL
|
||||
#endif
|
||||
#else
|
||||
# error Unknown ARM CPU, please report this to numpy maintainers with \
|
||||
information about your platform (OS, CPU and compiler)
|
||||
#endif
|
||||
#elif defined(__sh__) && defined(__LITTLE_ENDIAN__)
|
||||
#define NPY_CPU_SH_LE
|
||||
#elif defined(__sh__) && defined(__BIG_ENDIAN__)
|
||||
#define NPY_CPU_SH_BE
|
||||
#elif defined(__MIPSEL__)
|
||||
#define NPY_CPU_MIPSEL
|
||||
#elif defined(__MIPSEB__)
|
||||
#define NPY_CPU_MIPSEB
|
||||
#elif defined(__or1k__)
|
||||
#define NPY_CPU_OR1K
|
||||
#elif defined(__mc68000__)
|
||||
#define NPY_CPU_M68K
|
||||
#elif defined(__arc__) && defined(__LITTLE_ENDIAN__)
|
||||
#define NPY_CPU_ARCEL
|
||||
#elif defined(__arc__) && defined(__BIG_ENDIAN__)
|
||||
#define NPY_CPU_ARCEB
|
||||
#elif defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
|
||||
#define NPY_CPU_RISCV64
|
||||
#else
|
||||
#error Unknown CPU, please report this to numpy maintainers with \
|
||||
information about your platform (OS, CPU and compiler)
|
||||
#endif
|
||||
|
||||
#define NPY_COPY_PYOBJECT_PTR(dst, src) memcpy(dst, src, sizeof(PyObject *))
|
||||
|
||||
#if (defined(NPY_CPU_X86) || defined(NPY_CPU_AMD64))
|
||||
#define NPY_CPU_HAVE_UNALIGNED_ACCESS 1
|
||||
#else
|
||||
#define NPY_CPU_HAVE_UNALIGNED_ACCESS 0
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,72 @@
|
||||
#ifndef _NPY_ENDIAN_H_
|
||||
#define _NPY_ENDIAN_H_
|
||||
|
||||
/*
|
||||
* NPY_BYTE_ORDER is set to the same value as BYTE_ORDER set by glibc in
|
||||
* endian.h
|
||||
*/
|
||||
|
||||
#if defined(NPY_HAVE_ENDIAN_H) || defined(NPY_HAVE_SYS_ENDIAN_H)
|
||||
/* Use endian.h if available */
|
||||
|
||||
#if defined(NPY_HAVE_ENDIAN_H)
|
||||
#include <endian.h>
|
||||
#elif defined(NPY_HAVE_SYS_ENDIAN_H)
|
||||
#include <sys/endian.h>
|
||||
#endif
|
||||
|
||||
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
|
||||
#define NPY_BYTE_ORDER BYTE_ORDER
|
||||
#define NPY_LITTLE_ENDIAN LITTLE_ENDIAN
|
||||
#define NPY_BIG_ENDIAN BIG_ENDIAN
|
||||
#elif defined(_BYTE_ORDER) && defined(_BIG_ENDIAN) && defined(_LITTLE_ENDIAN)
|
||||
#define NPY_BYTE_ORDER _BYTE_ORDER
|
||||
#define NPY_LITTLE_ENDIAN _LITTLE_ENDIAN
|
||||
#define NPY_BIG_ENDIAN _BIG_ENDIAN
|
||||
#elif defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
|
||||
#define NPY_BYTE_ORDER __BYTE_ORDER
|
||||
#define NPY_LITTLE_ENDIAN __LITTLE_ENDIAN
|
||||
#define NPY_BIG_ENDIAN __BIG_ENDIAN
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef NPY_BYTE_ORDER
|
||||
/* Set endianness info using target CPU */
|
||||
#include "npy_cpu.h"
|
||||
|
||||
#define NPY_LITTLE_ENDIAN 1234
|
||||
#define NPY_BIG_ENDIAN 4321
|
||||
|
||||
#if defined(NPY_CPU_X86) \
|
||||
|| defined(NPY_CPU_AMD64) \
|
||||
|| defined(NPY_CPU_IA64) \
|
||||
|| defined(NPY_CPU_ALPHA) \
|
||||
|| defined(NPY_CPU_ARMEL) \
|
||||
|| defined(NPY_CPU_ARMEL_AARCH32) \
|
||||
|| defined(NPY_CPU_ARMEL_AARCH64) \
|
||||
|| defined(NPY_CPU_SH_LE) \
|
||||
|| defined(NPY_CPU_MIPSEL) \
|
||||
|| defined(NPY_CPU_PPC64LE) \
|
||||
|| defined(NPY_CPU_ARCEL) \
|
||||
|| defined(NPY_CPU_RISCV64)
|
||||
#define NPY_BYTE_ORDER NPY_LITTLE_ENDIAN
|
||||
#elif defined(NPY_CPU_PPC) \
|
||||
|| defined(NPY_CPU_SPARC) \
|
||||
|| defined(NPY_CPU_S390) \
|
||||
|| defined(NPY_CPU_HPPA) \
|
||||
|| defined(NPY_CPU_PPC64) \
|
||||
|| defined(NPY_CPU_ARMEB) \
|
||||
|| defined(NPY_CPU_ARMEB_AARCH32) \
|
||||
|| defined(NPY_CPU_ARMEB_AARCH64) \
|
||||
|| defined(NPY_CPU_SH_BE) \
|
||||
|| defined(NPY_CPU_MIPSEB) \
|
||||
|| defined(NPY_CPU_OR1K) \
|
||||
|| defined(NPY_CPU_M68K) \
|
||||
|| defined(NPY_CPU_ARCEB)
|
||||
#define NPY_BYTE_ORDER NPY_BIG_ENDIAN
|
||||
#else
|
||||
#error Unknown CPU: can not set endianness
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,117 @@
|
||||
|
||||
/* Signal handling:
|
||||
|
||||
This header file defines macros that allow your code to handle
|
||||
interrupts received during processing. Interrupts that
|
||||
could reasonably be handled:
|
||||
|
||||
SIGINT, SIGABRT, SIGALRM, SIGSEGV
|
||||
|
||||
****Warning***************
|
||||
|
||||
Do not allow code that creates temporary memory or increases reference
|
||||
counts of Python objects to be interrupted unless you handle it
|
||||
differently.
|
||||
|
||||
**************************
|
||||
|
||||
The mechanism for handling interrupts is conceptually simple:
|
||||
|
||||
- replace the signal handler with our own home-grown version
|
||||
and store the old one.
|
||||
- run the code to be interrupted -- if an interrupt occurs
|
||||
the handler should basically just cause a return to the
|
||||
calling function for finish work.
|
||||
- restore the old signal handler
|
||||
|
||||
Of course, every code that allows interrupts must account for
|
||||
returning via the interrupt and handle clean-up correctly. But,
|
||||
even still, the simple paradigm is complicated by at least three
|
||||
factors.
|
||||
|
||||
1) platform portability (i.e. Microsoft says not to use longjmp
|
||||
to return from signal handling. They have a __try and __except
|
||||
extension to C instead but what about mingw?).
|
||||
|
||||
2) how to handle threads: apparently whether signals are delivered to
|
||||
every thread of the process or the "invoking" thread is platform
|
||||
dependent. --- we don't handle threads for now.
|
||||
|
||||
3) do we need to worry about re-entrance. For now, assume the
|
||||
code will not call-back into itself.
|
||||
|
||||
Ideas:
|
||||
|
||||
1) Start by implementing an approach that works on platforms that
|
||||
can use setjmp and longjmp functionality and does nothing
|
||||
on other platforms.
|
||||
|
||||
2) Ignore threads --- i.e. do not mix interrupt handling and threads
|
||||
|
||||
3) Add a default signal_handler function to the C-API but have the rest
|
||||
use macros.
|
||||
|
||||
|
||||
Simple Interface:
|
||||
|
||||
|
||||
In your C-extension: around a block of code you want to be interruptible
|
||||
with a SIGINT
|
||||
|
||||
NPY_SIGINT_ON
|
||||
[code]
|
||||
NPY_SIGINT_OFF
|
||||
|
||||
In order for this to work correctly, the
|
||||
[code] block must not allocate any memory or alter the reference count of any
|
||||
Python objects. In other words [code] must be interruptible so that continuation
|
||||
after NPY_SIGINT_OFF will only be "missing some computations"
|
||||
|
||||
Interrupt handling does not work well with threads.
|
||||
|
||||
*/
|
||||
|
||||
/* Add signal handling macros
|
||||
Make the global variable and signal handler part of the C-API
|
||||
*/
|
||||
|
||||
#ifndef NPY_INTERRUPT_H
|
||||
#define NPY_INTERRUPT_H
|
||||
|
||||
#ifndef NPY_NO_SIGNAL
|
||||
|
||||
#include <setjmp.h>
|
||||
#include <signal.h>
|
||||
|
||||
#ifndef sigsetjmp
|
||||
|
||||
#define NPY_SIGSETJMP(arg1, arg2) setjmp(arg1)
|
||||
#define NPY_SIGLONGJMP(arg1, arg2) longjmp(arg1, arg2)
|
||||
#define NPY_SIGJMP_BUF jmp_buf
|
||||
|
||||
#else
|
||||
|
||||
#define NPY_SIGSETJMP(arg1, arg2) sigsetjmp(arg1, arg2)
|
||||
#define NPY_SIGLONGJMP(arg1, arg2) siglongjmp(arg1, arg2)
|
||||
#define NPY_SIGJMP_BUF sigjmp_buf
|
||||
|
||||
#endif
|
||||
|
||||
# define NPY_SIGINT_ON { \
|
||||
PyOS_sighandler_t _npy_sig_save; \
|
||||
_npy_sig_save = PyOS_setsig(SIGINT, _PyArray_SigintHandler); \
|
||||
if (NPY_SIGSETJMP(*((NPY_SIGJMP_BUF *)_PyArray_GetSigintBuf()), \
|
||||
1) == 0) { \
|
||||
|
||||
# define NPY_SIGINT_OFF } \
|
||||
PyOS_setsig(SIGINT, _npy_sig_save); \
|
||||
}
|
||||
|
||||
#else /* NPY_NO_SIGNAL */
|
||||
|
||||
#define NPY_SIGINT_ON
|
||||
#define NPY_SIGINT_OFF
|
||||
|
||||
#endif /* HAVE_SIGSETJMP */
|
||||
|
||||
#endif /* NPY_INTERRUPT_H */
|
||||
@ -0,0 +1,646 @@
|
||||
#ifndef __NPY_MATH_C99_H_
|
||||
#define __NPY_MATH_C99_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <math.h>
|
||||
#ifdef __SUNPRO_CC
|
||||
#include <sunmath.h>
|
||||
#endif
|
||||
#ifdef HAVE_NPY_CONFIG_H
|
||||
#include <npy_config.h>
|
||||
#endif
|
||||
#include <numpy/npy_common.h>
|
||||
|
||||
/* By adding static inline specifiers to npy_math function definitions when
|
||||
appropriate, compiler is given the opportunity to optimize */
|
||||
#if NPY_INLINE_MATH
|
||||
#define NPY_INPLACE NPY_INLINE static
|
||||
#else
|
||||
#define NPY_INPLACE
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* NAN and INFINITY like macros (same behavior as glibc for NAN, same as C99
|
||||
* for INFINITY)
|
||||
*
|
||||
* XXX: I should test whether INFINITY and NAN are available on the platform
|
||||
*/
|
||||
NPY_INLINE static float __npy_inff(void)
|
||||
{
|
||||
const union { npy_uint32 __i; float __f;} __bint = {0x7f800000UL};
|
||||
return __bint.__f;
|
||||
}
|
||||
|
||||
NPY_INLINE static float __npy_nanf(void)
|
||||
{
|
||||
const union { npy_uint32 __i; float __f;} __bint = {0x7fc00000UL};
|
||||
return __bint.__f;
|
||||
}
|
||||
|
||||
NPY_INLINE static float __npy_pzerof(void)
|
||||
{
|
||||
const union { npy_uint32 __i; float __f;} __bint = {0x00000000UL};
|
||||
return __bint.__f;
|
||||
}
|
||||
|
||||
NPY_INLINE static float __npy_nzerof(void)
|
||||
{
|
||||
const union { npy_uint32 __i; float __f;} __bint = {0x80000000UL};
|
||||
return __bint.__f;
|
||||
}
|
||||
|
||||
#define NPY_INFINITYF __npy_inff()
|
||||
#define NPY_NANF __npy_nanf()
|
||||
#define NPY_PZEROF __npy_pzerof()
|
||||
#define NPY_NZEROF __npy_nzerof()
|
||||
|
||||
#define NPY_INFINITY ((npy_double)NPY_INFINITYF)
|
||||
#define NPY_NAN ((npy_double)NPY_NANF)
|
||||
#define NPY_PZERO ((npy_double)NPY_PZEROF)
|
||||
#define NPY_NZERO ((npy_double)NPY_NZEROF)
|
||||
|
||||
#define NPY_INFINITYL ((npy_longdouble)NPY_INFINITYF)
|
||||
#define NPY_NANL ((npy_longdouble)NPY_NANF)
|
||||
#define NPY_PZEROL ((npy_longdouble)NPY_PZEROF)
|
||||
#define NPY_NZEROL ((npy_longdouble)NPY_NZEROF)
|
||||
|
||||
/*
|
||||
* Useful constants
|
||||
*/
|
||||
#define NPY_E 2.718281828459045235360287471352662498 /* e */
|
||||
#define NPY_LOG2E 1.442695040888963407359924681001892137 /* log_2 e */
|
||||
#define NPY_LOG10E 0.434294481903251827651128918916605082 /* log_10 e */
|
||||
#define NPY_LOGE2 0.693147180559945309417232121458176568 /* log_e 2 */
|
||||
#define NPY_LOGE10 2.302585092994045684017991454684364208 /* log_e 10 */
|
||||
#define NPY_PI 3.141592653589793238462643383279502884 /* pi */
|
||||
#define NPY_PI_2 1.570796326794896619231321691639751442 /* pi/2 */
|
||||
#define NPY_PI_4 0.785398163397448309615660845819875721 /* pi/4 */
|
||||
#define NPY_1_PI 0.318309886183790671537767526745028724 /* 1/pi */
|
||||
#define NPY_2_PI 0.636619772367581343075535053490057448 /* 2/pi */
|
||||
#define NPY_EULER 0.577215664901532860606512090082402431 /* Euler constant */
|
||||
#define NPY_SQRT2 1.414213562373095048801688724209698079 /* sqrt(2) */
|
||||
#define NPY_SQRT1_2 0.707106781186547524400844362104849039 /* 1/sqrt(2) */
|
||||
|
||||
#define NPY_Ef 2.718281828459045235360287471352662498F /* e */
|
||||
#define NPY_LOG2Ef 1.442695040888963407359924681001892137F /* log_2 e */
|
||||
#define NPY_LOG10Ef 0.434294481903251827651128918916605082F /* log_10 e */
|
||||
#define NPY_LOGE2f 0.693147180559945309417232121458176568F /* log_e 2 */
|
||||
#define NPY_LOGE10f 2.302585092994045684017991454684364208F /* log_e 10 */
|
||||
#define NPY_PIf 3.141592653589793238462643383279502884F /* pi */
|
||||
#define NPY_PI_2f 1.570796326794896619231321691639751442F /* pi/2 */
|
||||
#define NPY_PI_4f 0.785398163397448309615660845819875721F /* pi/4 */
|
||||
#define NPY_1_PIf 0.318309886183790671537767526745028724F /* 1/pi */
|
||||
#define NPY_2_PIf 0.636619772367581343075535053490057448F /* 2/pi */
|
||||
#define NPY_EULERf 0.577215664901532860606512090082402431F /* Euler constant */
|
||||
#define NPY_SQRT2f 1.414213562373095048801688724209698079F /* sqrt(2) */
|
||||
#define NPY_SQRT1_2f 0.707106781186547524400844362104849039F /* 1/sqrt(2) */
|
||||
|
||||
#define NPY_El 2.718281828459045235360287471352662498L /* e */
|
||||
#define NPY_LOG2El 1.442695040888963407359924681001892137L /* log_2 e */
|
||||
#define NPY_LOG10El 0.434294481903251827651128918916605082L /* log_10 e */
|
||||
#define NPY_LOGE2l 0.693147180559945309417232121458176568L /* log_e 2 */
|
||||
#define NPY_LOGE10l 2.302585092994045684017991454684364208L /* log_e 10 */
|
||||
#define NPY_PIl 3.141592653589793238462643383279502884L /* pi */
|
||||
#define NPY_PI_2l 1.570796326794896619231321691639751442L /* pi/2 */
|
||||
#define NPY_PI_4l 0.785398163397448309615660845819875721L /* pi/4 */
|
||||
#define NPY_1_PIl 0.318309886183790671537767526745028724L /* 1/pi */
|
||||
#define NPY_2_PIl 0.636619772367581343075535053490057448L /* 2/pi */
|
||||
#define NPY_EULERl 0.577215664901532860606512090082402431L /* Euler constant */
|
||||
#define NPY_SQRT2l 1.414213562373095048801688724209698079L /* sqrt(2) */
|
||||
#define NPY_SQRT1_2l 0.707106781186547524400844362104849039L /* 1/sqrt(2) */
|
||||
|
||||
/*
|
||||
* Constants used in vector implementation of exp(x)
|
||||
*/
|
||||
#define NPY_RINT_CVT_MAGICf 0x1.800000p+23f
|
||||
#define NPY_CODY_WAITE_LOGE_2_HIGHf -6.93145752e-1f
|
||||
#define NPY_CODY_WAITE_LOGE_2_LOWf -1.42860677e-6f
|
||||
#define NPY_COEFF_P0_EXPf 9.999999999980870924916e-01f
|
||||
#define NPY_COEFF_P1_EXPf 7.257664613233124478488e-01f
|
||||
#define NPY_COEFF_P2_EXPf 2.473615434895520810817e-01f
|
||||
#define NPY_COEFF_P3_EXPf 5.114512081637298353406e-02f
|
||||
#define NPY_COEFF_P4_EXPf 6.757896990527504603057e-03f
|
||||
#define NPY_COEFF_P5_EXPf 5.082762527590693718096e-04f
|
||||
#define NPY_COEFF_Q0_EXPf 1.000000000000000000000e+00f
|
||||
#define NPY_COEFF_Q1_EXPf -2.742335390411667452936e-01f
|
||||
#define NPY_COEFF_Q2_EXPf 2.159509375685829852307e-02f
|
||||
|
||||
/*
|
||||
* Constants used in vector implementation of log(x)
|
||||
*/
|
||||
#define NPY_COEFF_P0_LOGf 0.000000000000000000000e+00f
|
||||
#define NPY_COEFF_P1_LOGf 9.999999999999998702752e-01f
|
||||
#define NPY_COEFF_P2_LOGf 2.112677543073053063722e+00f
|
||||
#define NPY_COEFF_P3_LOGf 1.480000633576506585156e+00f
|
||||
#define NPY_COEFF_P4_LOGf 3.808837741388407920751e-01f
|
||||
#define NPY_COEFF_P5_LOGf 2.589979117907922693523e-02f
|
||||
#define NPY_COEFF_Q0_LOGf 1.000000000000000000000e+00f
|
||||
#define NPY_COEFF_Q1_LOGf 2.612677543073109236779e+00f
|
||||
#define NPY_COEFF_Q2_LOGf 2.453006071784736363091e+00f
|
||||
#define NPY_COEFF_Q3_LOGf 9.864942958519418960339e-01f
|
||||
#define NPY_COEFF_Q4_LOGf 1.546476374983906719538e-01f
|
||||
#define NPY_COEFF_Q5_LOGf 5.875095403124574342950e-03f
|
||||
/*
|
||||
* Constants used in vector implementation of sinf/cosf(x)
|
||||
*/
|
||||
#define NPY_TWO_O_PIf 0x1.45f306p-1f
|
||||
#define NPY_CODY_WAITE_PI_O_2_HIGHf -0x1.921fb0p+00f
|
||||
#define NPY_CODY_WAITE_PI_O_2_MEDf -0x1.5110b4p-22f
|
||||
#define NPY_CODY_WAITE_PI_O_2_LOWf -0x1.846988p-48f
|
||||
#define NPY_COEFF_INVF0_COSINEf 0x1.000000p+00f
|
||||
#define NPY_COEFF_INVF2_COSINEf -0x1.000000p-01f
|
||||
#define NPY_COEFF_INVF4_COSINEf 0x1.55553cp-05f
|
||||
#define NPY_COEFF_INVF6_COSINEf -0x1.6c06dcp-10f
|
||||
#define NPY_COEFF_INVF8_COSINEf 0x1.98e616p-16f
|
||||
#define NPY_COEFF_INVF3_SINEf -0x1.555556p-03f
|
||||
#define NPY_COEFF_INVF5_SINEf 0x1.11119ap-07f
|
||||
#define NPY_COEFF_INVF7_SINEf -0x1.a06bbap-13f
|
||||
#define NPY_COEFF_INVF9_SINEf 0x1.7d3bbcp-19f
|
||||
/*
|
||||
* Integer functions.
|
||||
*/
|
||||
NPY_INPLACE npy_uint npy_gcdu(npy_uint a, npy_uint b);
|
||||
NPY_INPLACE npy_uint npy_lcmu(npy_uint a, npy_uint b);
|
||||
NPY_INPLACE npy_ulong npy_gcdul(npy_ulong a, npy_ulong b);
|
||||
NPY_INPLACE npy_ulong npy_lcmul(npy_ulong a, npy_ulong b);
|
||||
NPY_INPLACE npy_ulonglong npy_gcdull(npy_ulonglong a, npy_ulonglong b);
|
||||
NPY_INPLACE npy_ulonglong npy_lcmull(npy_ulonglong a, npy_ulonglong b);
|
||||
|
||||
NPY_INPLACE npy_int npy_gcd(npy_int a, npy_int b);
|
||||
NPY_INPLACE npy_int npy_lcm(npy_int a, npy_int b);
|
||||
NPY_INPLACE npy_long npy_gcdl(npy_long a, npy_long b);
|
||||
NPY_INPLACE npy_long npy_lcml(npy_long a, npy_long b);
|
||||
NPY_INPLACE npy_longlong npy_gcdll(npy_longlong a, npy_longlong b);
|
||||
NPY_INPLACE npy_longlong npy_lcmll(npy_longlong a, npy_longlong b);
|
||||
|
||||
NPY_INPLACE npy_ubyte npy_rshiftuhh(npy_ubyte a, npy_ubyte b);
|
||||
NPY_INPLACE npy_ubyte npy_lshiftuhh(npy_ubyte a, npy_ubyte b);
|
||||
NPY_INPLACE npy_ushort npy_rshiftuh(npy_ushort a, npy_ushort b);
|
||||
NPY_INPLACE npy_ushort npy_lshiftuh(npy_ushort a, npy_ushort b);
|
||||
NPY_INPLACE npy_uint npy_rshiftu(npy_uint a, npy_uint b);
|
||||
NPY_INPLACE npy_uint npy_lshiftu(npy_uint a, npy_uint b);
|
||||
NPY_INPLACE npy_ulong npy_rshiftul(npy_ulong a, npy_ulong b);
|
||||
NPY_INPLACE npy_ulong npy_lshiftul(npy_ulong a, npy_ulong b);
|
||||
NPY_INPLACE npy_ulonglong npy_rshiftull(npy_ulonglong a, npy_ulonglong b);
|
||||
NPY_INPLACE npy_ulonglong npy_lshiftull(npy_ulonglong a, npy_ulonglong b);
|
||||
|
||||
NPY_INPLACE npy_byte npy_rshifthh(npy_byte a, npy_byte b);
|
||||
NPY_INPLACE npy_byte npy_lshifthh(npy_byte a, npy_byte b);
|
||||
NPY_INPLACE npy_short npy_rshifth(npy_short a, npy_short b);
|
||||
NPY_INPLACE npy_short npy_lshifth(npy_short a, npy_short b);
|
||||
NPY_INPLACE npy_int npy_rshift(npy_int a, npy_int b);
|
||||
NPY_INPLACE npy_int npy_lshift(npy_int a, npy_int b);
|
||||
NPY_INPLACE npy_long npy_rshiftl(npy_long a, npy_long b);
|
||||
NPY_INPLACE npy_long npy_lshiftl(npy_long a, npy_long b);
|
||||
NPY_INPLACE npy_longlong npy_rshiftll(npy_longlong a, npy_longlong b);
|
||||
NPY_INPLACE npy_longlong npy_lshiftll(npy_longlong a, npy_longlong b);
|
||||
|
||||
/*
|
||||
* avx function has a common API for both sin & cos. This enum is used to
|
||||
* distinguish between the two
|
||||
*/
|
||||
typedef enum {
|
||||
npy_compute_sin,
|
||||
npy_compute_cos
|
||||
} NPY_TRIG_OP;
|
||||
|
||||
/*
|
||||
* C99 double math funcs
|
||||
*/
|
||||
NPY_INPLACE double npy_sin(double x);
|
||||
NPY_INPLACE double npy_cos(double x);
|
||||
NPY_INPLACE double npy_tan(double x);
|
||||
NPY_INPLACE double npy_sinh(double x);
|
||||
NPY_INPLACE double npy_cosh(double x);
|
||||
NPY_INPLACE double npy_tanh(double x);
|
||||
|
||||
NPY_INPLACE double npy_asin(double x);
|
||||
NPY_INPLACE double npy_acos(double x);
|
||||
NPY_INPLACE double npy_atan(double x);
|
||||
|
||||
NPY_INPLACE double npy_log(double x);
|
||||
NPY_INPLACE double npy_log10(double x);
|
||||
NPY_INPLACE double npy_exp(double x);
|
||||
NPY_INPLACE double npy_sqrt(double x);
|
||||
NPY_INPLACE double npy_cbrt(double x);
|
||||
|
||||
NPY_INPLACE double npy_fabs(double x);
|
||||
NPY_INPLACE double npy_ceil(double x);
|
||||
NPY_INPLACE double npy_fmod(double x, double y);
|
||||
NPY_INPLACE double npy_floor(double x);
|
||||
|
||||
NPY_INPLACE double npy_expm1(double x);
|
||||
NPY_INPLACE double npy_log1p(double x);
|
||||
NPY_INPLACE double npy_hypot(double x, double y);
|
||||
NPY_INPLACE double npy_acosh(double x);
|
||||
NPY_INPLACE double npy_asinh(double xx);
|
||||
NPY_INPLACE double npy_atanh(double x);
|
||||
NPY_INPLACE double npy_rint(double x);
|
||||
NPY_INPLACE double npy_trunc(double x);
|
||||
NPY_INPLACE double npy_exp2(double x);
|
||||
NPY_INPLACE double npy_log2(double x);
|
||||
|
||||
NPY_INPLACE double npy_atan2(double x, double y);
|
||||
NPY_INPLACE double npy_pow(double x, double y);
|
||||
NPY_INPLACE double npy_modf(double x, double* y);
|
||||
NPY_INPLACE double npy_frexp(double x, int* y);
|
||||
NPY_INPLACE double npy_ldexp(double n, int y);
|
||||
|
||||
NPY_INPLACE double npy_copysign(double x, double y);
|
||||
double npy_nextafter(double x, double y);
|
||||
double npy_spacing(double x);
|
||||
|
||||
/*
|
||||
* IEEE 754 fpu handling. Those are guaranteed to be macros
|
||||
*/
|
||||
|
||||
/* use builtins to avoid function calls in tight loops
|
||||
* only available if npy_config.h is available (= numpys own build) */
|
||||
#if HAVE___BUILTIN_ISNAN
|
||||
#define npy_isnan(x) __builtin_isnan(x)
|
||||
#else
|
||||
#ifndef NPY_HAVE_DECL_ISNAN
|
||||
#define npy_isnan(x) ((x) != (x))
|
||||
#else
|
||||
#if defined(_MSC_VER) && (_MSC_VER < 1900)
|
||||
#define npy_isnan(x) _isnan((x))
|
||||
#else
|
||||
#define npy_isnan(x) isnan(x)
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
/* only available if npy_config.h is available (= numpys own build) */
|
||||
#if HAVE___BUILTIN_ISFINITE
|
||||
#define npy_isfinite(x) __builtin_isfinite(x)
|
||||
#else
|
||||
#ifndef NPY_HAVE_DECL_ISFINITE
|
||||
#ifdef _MSC_VER
|
||||
#define npy_isfinite(x) _finite((x))
|
||||
#else
|
||||
#define npy_isfinite(x) !npy_isnan((x) + (-x))
|
||||
#endif
|
||||
#else
|
||||
#define npy_isfinite(x) isfinite((x))
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* only available if npy_config.h is available (= numpys own build) */
|
||||
#if HAVE___BUILTIN_ISINF
|
||||
#define npy_isinf(x) __builtin_isinf(x)
|
||||
#else
|
||||
#ifndef NPY_HAVE_DECL_ISINF
|
||||
#define npy_isinf(x) (!npy_isfinite(x) && !npy_isnan(x))
|
||||
#else
|
||||
#if defined(_MSC_VER) && (_MSC_VER < 1900)
|
||||
#define npy_isinf(x) (!_finite((x)) && !_isnan((x)))
|
||||
#else
|
||||
#define npy_isinf(x) isinf((x))
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef NPY_HAVE_DECL_SIGNBIT
|
||||
int _npy_signbit_f(float x);
|
||||
int _npy_signbit_d(double x);
|
||||
int _npy_signbit_ld(long double x);
|
||||
#define npy_signbit(x) \
|
||||
(sizeof (x) == sizeof (long double) ? _npy_signbit_ld (x) \
|
||||
: sizeof (x) == sizeof (double) ? _npy_signbit_d (x) \
|
||||
: _npy_signbit_f (x))
|
||||
#else
|
||||
#define npy_signbit(x) signbit((x))
|
||||
#endif
|
||||
|
||||
/*
|
||||
* float C99 math functions
|
||||
*/
|
||||
NPY_INPLACE float npy_sinf(float x);
|
||||
NPY_INPLACE float npy_cosf(float x);
|
||||
NPY_INPLACE float npy_tanf(float x);
|
||||
NPY_INPLACE float npy_sinhf(float x);
|
||||
NPY_INPLACE float npy_coshf(float x);
|
||||
NPY_INPLACE float npy_tanhf(float x);
|
||||
NPY_INPLACE float npy_fabsf(float x);
|
||||
NPY_INPLACE float npy_floorf(float x);
|
||||
NPY_INPLACE float npy_ceilf(float x);
|
||||
NPY_INPLACE float npy_rintf(float x);
|
||||
NPY_INPLACE float npy_truncf(float x);
|
||||
NPY_INPLACE float npy_sqrtf(float x);
|
||||
NPY_INPLACE float npy_cbrtf(float x);
|
||||
NPY_INPLACE float npy_log10f(float x);
|
||||
NPY_INPLACE float npy_logf(float x);
|
||||
NPY_INPLACE float npy_expf(float x);
|
||||
NPY_INPLACE float npy_expm1f(float x);
|
||||
NPY_INPLACE float npy_asinf(float x);
|
||||
NPY_INPLACE float npy_acosf(float x);
|
||||
NPY_INPLACE float npy_atanf(float x);
|
||||
NPY_INPLACE float npy_asinhf(float x);
|
||||
NPY_INPLACE float npy_acoshf(float x);
|
||||
NPY_INPLACE float npy_atanhf(float x);
|
||||
NPY_INPLACE float npy_log1pf(float x);
|
||||
NPY_INPLACE float npy_exp2f(float x);
|
||||
NPY_INPLACE float npy_log2f(float x);
|
||||
|
||||
NPY_INPLACE float npy_atan2f(float x, float y);
|
||||
NPY_INPLACE float npy_hypotf(float x, float y);
|
||||
NPY_INPLACE float npy_powf(float x, float y);
|
||||
NPY_INPLACE float npy_fmodf(float x, float y);
|
||||
|
||||
NPY_INPLACE float npy_modff(float x, float* y);
|
||||
NPY_INPLACE float npy_frexpf(float x, int* y);
|
||||
NPY_INPLACE float npy_ldexpf(float x, int y);
|
||||
|
||||
NPY_INPLACE float npy_copysignf(float x, float y);
|
||||
float npy_nextafterf(float x, float y);
|
||||
float npy_spacingf(float x);
|
||||
|
||||
/*
|
||||
* long double C99 math functions
|
||||
*/
|
||||
NPY_INPLACE npy_longdouble npy_sinl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_cosl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_tanl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_sinhl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_coshl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_tanhl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_fabsl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_floorl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_ceill(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_rintl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_truncl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_sqrtl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_cbrtl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_log10l(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_logl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_expl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_expm1l(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_asinl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_acosl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_atanl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_asinhl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_acoshl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_atanhl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_log1pl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_exp2l(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_log2l(npy_longdouble x);
|
||||
|
||||
NPY_INPLACE npy_longdouble npy_atan2l(npy_longdouble x, npy_longdouble y);
|
||||
NPY_INPLACE npy_longdouble npy_hypotl(npy_longdouble x, npy_longdouble y);
|
||||
NPY_INPLACE npy_longdouble npy_powl(npy_longdouble x, npy_longdouble y);
|
||||
NPY_INPLACE npy_longdouble npy_fmodl(npy_longdouble x, npy_longdouble y);
|
||||
|
||||
NPY_INPLACE npy_longdouble npy_modfl(npy_longdouble x, npy_longdouble* y);
|
||||
NPY_INPLACE npy_longdouble npy_frexpl(npy_longdouble x, int* y);
|
||||
NPY_INPLACE npy_longdouble npy_ldexpl(npy_longdouble x, int y);
|
||||
|
||||
NPY_INPLACE npy_longdouble npy_copysignl(npy_longdouble x, npy_longdouble y);
|
||||
npy_longdouble npy_nextafterl(npy_longdouble x, npy_longdouble y);
|
||||
npy_longdouble npy_spacingl(npy_longdouble x);
|
||||
|
||||
/*
|
||||
* Non standard functions
|
||||
*/
|
||||
NPY_INPLACE double npy_deg2rad(double x);
|
||||
NPY_INPLACE double npy_rad2deg(double x);
|
||||
NPY_INPLACE double npy_logaddexp(double x, double y);
|
||||
NPY_INPLACE double npy_logaddexp2(double x, double y);
|
||||
NPY_INPLACE double npy_divmod(double x, double y, double *modulus);
|
||||
NPY_INPLACE double npy_heaviside(double x, double h0);
|
||||
|
||||
NPY_INPLACE float npy_deg2radf(float x);
|
||||
NPY_INPLACE float npy_rad2degf(float x);
|
||||
NPY_INPLACE float npy_logaddexpf(float x, float y);
|
||||
NPY_INPLACE float npy_logaddexp2f(float x, float y);
|
||||
NPY_INPLACE float npy_divmodf(float x, float y, float *modulus);
|
||||
NPY_INPLACE float npy_heavisidef(float x, float h0);
|
||||
|
||||
NPY_INPLACE npy_longdouble npy_deg2radl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_rad2degl(npy_longdouble x);
|
||||
NPY_INPLACE npy_longdouble npy_logaddexpl(npy_longdouble x, npy_longdouble y);
|
||||
NPY_INPLACE npy_longdouble npy_logaddexp2l(npy_longdouble x, npy_longdouble y);
|
||||
NPY_INPLACE npy_longdouble npy_divmodl(npy_longdouble x, npy_longdouble y,
|
||||
npy_longdouble *modulus);
|
||||
NPY_INPLACE npy_longdouble npy_heavisidel(npy_longdouble x, npy_longdouble h0);
|
||||
|
||||
#define npy_degrees npy_rad2deg
|
||||
#define npy_degreesf npy_rad2degf
|
||||
#define npy_degreesl npy_rad2degl
|
||||
|
||||
#define npy_radians npy_deg2rad
|
||||
#define npy_radiansf npy_deg2radf
|
||||
#define npy_radiansl npy_deg2radl
|
||||
|
||||
/*
|
||||
* Complex declarations
|
||||
*/
|
||||
|
||||
/*
|
||||
* C99 specifies that complex numbers have the same representation as
|
||||
* an array of two elements, where the first element is the real part
|
||||
* and the second element is the imaginary part.
|
||||
*/
|
||||
#define __NPY_CPACK_IMP(x, y, type, ctype) \
|
||||
union { \
|
||||
ctype z; \
|
||||
type a[2]; \
|
||||
} z1;; \
|
||||
\
|
||||
z1.a[0] = (x); \
|
||||
z1.a[1] = (y); \
|
||||
\
|
||||
return z1.z;
|
||||
|
||||
static NPY_INLINE npy_cdouble npy_cpack(double x, double y)
|
||||
{
|
||||
__NPY_CPACK_IMP(x, y, double, npy_cdouble);
|
||||
}
|
||||
|
||||
static NPY_INLINE npy_cfloat npy_cpackf(float x, float y)
|
||||
{
|
||||
__NPY_CPACK_IMP(x, y, float, npy_cfloat);
|
||||
}
|
||||
|
||||
static NPY_INLINE npy_clongdouble npy_cpackl(npy_longdouble x, npy_longdouble y)
|
||||
{
|
||||
__NPY_CPACK_IMP(x, y, npy_longdouble, npy_clongdouble);
|
||||
}
|
||||
#undef __NPY_CPACK_IMP
|
||||
|
||||
/*
|
||||
* Same remark as above, but in the other direction: extract first/second
|
||||
* member of complex number, assuming a C99-compatible representation
|
||||
*
|
||||
* Those are defineds as static inline, and such as a reasonable compiler would
|
||||
* most likely compile this to one or two instructions (on CISC at least)
|
||||
*/
|
||||
#define __NPY_CEXTRACT_IMP(z, index, type, ctype) \
|
||||
union { \
|
||||
ctype z; \
|
||||
type a[2]; \
|
||||
} __z_repr; \
|
||||
__z_repr.z = z; \
|
||||
\
|
||||
return __z_repr.a[index];
|
||||
|
||||
static NPY_INLINE double npy_creal(npy_cdouble z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 0, double, npy_cdouble);
|
||||
}
|
||||
|
||||
static NPY_INLINE double npy_cimag(npy_cdouble z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 1, double, npy_cdouble);
|
||||
}
|
||||
|
||||
static NPY_INLINE float npy_crealf(npy_cfloat z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 0, float, npy_cfloat);
|
||||
}
|
||||
|
||||
static NPY_INLINE float npy_cimagf(npy_cfloat z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 1, float, npy_cfloat);
|
||||
}
|
||||
|
||||
static NPY_INLINE npy_longdouble npy_creall(npy_clongdouble z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 0, npy_longdouble, npy_clongdouble);
|
||||
}
|
||||
|
||||
static NPY_INLINE npy_longdouble npy_cimagl(npy_clongdouble z)
|
||||
{
|
||||
__NPY_CEXTRACT_IMP(z, 1, npy_longdouble, npy_clongdouble);
|
||||
}
|
||||
#undef __NPY_CEXTRACT_IMP
|
||||
|
||||
/*
|
||||
* Double precision complex functions
|
||||
*/
|
||||
double npy_cabs(npy_cdouble z);
|
||||
double npy_carg(npy_cdouble z);
|
||||
|
||||
npy_cdouble npy_cexp(npy_cdouble z);
|
||||
npy_cdouble npy_clog(npy_cdouble z);
|
||||
npy_cdouble npy_cpow(npy_cdouble x, npy_cdouble y);
|
||||
|
||||
npy_cdouble npy_csqrt(npy_cdouble z);
|
||||
|
||||
npy_cdouble npy_ccos(npy_cdouble z);
|
||||
npy_cdouble npy_csin(npy_cdouble z);
|
||||
npy_cdouble npy_ctan(npy_cdouble z);
|
||||
|
||||
npy_cdouble npy_ccosh(npy_cdouble z);
|
||||
npy_cdouble npy_csinh(npy_cdouble z);
|
||||
npy_cdouble npy_ctanh(npy_cdouble z);
|
||||
|
||||
npy_cdouble npy_cacos(npy_cdouble z);
|
||||
npy_cdouble npy_casin(npy_cdouble z);
|
||||
npy_cdouble npy_catan(npy_cdouble z);
|
||||
|
||||
npy_cdouble npy_cacosh(npy_cdouble z);
|
||||
npy_cdouble npy_casinh(npy_cdouble z);
|
||||
npy_cdouble npy_catanh(npy_cdouble z);
|
||||
|
||||
/*
|
||||
* Single precision complex functions
|
||||
*/
|
||||
float npy_cabsf(npy_cfloat z);
|
||||
float npy_cargf(npy_cfloat z);
|
||||
|
||||
npy_cfloat npy_cexpf(npy_cfloat z);
|
||||
npy_cfloat npy_clogf(npy_cfloat z);
|
||||
npy_cfloat npy_cpowf(npy_cfloat x, npy_cfloat y);
|
||||
|
||||
npy_cfloat npy_csqrtf(npy_cfloat z);
|
||||
|
||||
npy_cfloat npy_ccosf(npy_cfloat z);
|
||||
npy_cfloat npy_csinf(npy_cfloat z);
|
||||
npy_cfloat npy_ctanf(npy_cfloat z);
|
||||
|
||||
npy_cfloat npy_ccoshf(npy_cfloat z);
|
||||
npy_cfloat npy_csinhf(npy_cfloat z);
|
||||
npy_cfloat npy_ctanhf(npy_cfloat z);
|
||||
|
||||
npy_cfloat npy_cacosf(npy_cfloat z);
|
||||
npy_cfloat npy_casinf(npy_cfloat z);
|
||||
npy_cfloat npy_catanf(npy_cfloat z);
|
||||
|
||||
npy_cfloat npy_cacoshf(npy_cfloat z);
|
||||
npy_cfloat npy_casinhf(npy_cfloat z);
|
||||
npy_cfloat npy_catanhf(npy_cfloat z);
|
||||
|
||||
|
||||
/*
|
||||
* Extended precision complex functions
|
||||
*/
|
||||
npy_longdouble npy_cabsl(npy_clongdouble z);
|
||||
npy_longdouble npy_cargl(npy_clongdouble z);
|
||||
|
||||
npy_clongdouble npy_cexpl(npy_clongdouble z);
|
||||
npy_clongdouble npy_clogl(npy_clongdouble z);
|
||||
npy_clongdouble npy_cpowl(npy_clongdouble x, npy_clongdouble y);
|
||||
|
||||
npy_clongdouble npy_csqrtl(npy_clongdouble z);
|
||||
|
||||
npy_clongdouble npy_ccosl(npy_clongdouble z);
|
||||
npy_clongdouble npy_csinl(npy_clongdouble z);
|
||||
npy_clongdouble npy_ctanl(npy_clongdouble z);
|
||||
|
||||
npy_clongdouble npy_ccoshl(npy_clongdouble z);
|
||||
npy_clongdouble npy_csinhl(npy_clongdouble z);
|
||||
npy_clongdouble npy_ctanhl(npy_clongdouble z);
|
||||
|
||||
npy_clongdouble npy_cacosl(npy_clongdouble z);
|
||||
npy_clongdouble npy_casinl(npy_clongdouble z);
|
||||
npy_clongdouble npy_catanl(npy_clongdouble z);
|
||||
|
||||
npy_clongdouble npy_cacoshl(npy_clongdouble z);
|
||||
npy_clongdouble npy_casinhl(npy_clongdouble z);
|
||||
npy_clongdouble npy_catanhl(npy_clongdouble z);
|
||||
|
||||
|
||||
/*
|
||||
* Functions that set the floating point error
|
||||
* status word.
|
||||
*/
|
||||
|
||||
/*
|
||||
* platform-dependent code translates floating point
|
||||
* status to an integer sum of these values
|
||||
*/
|
||||
#define NPY_FPE_DIVIDEBYZERO 1
|
||||
#define NPY_FPE_OVERFLOW 2
|
||||
#define NPY_FPE_UNDERFLOW 4
|
||||
#define NPY_FPE_INVALID 8
|
||||
|
||||
int npy_clear_floatstatus_barrier(char*);
|
||||
int npy_get_floatstatus_barrier(char*);
|
||||
/*
|
||||
* use caution with these - clang and gcc8.1 are known to reorder calls
|
||||
* to this form of the function which can defeat the check. The _barrier
|
||||
* form of the call is preferable, where the argument is
|
||||
* (char*)&local_variable
|
||||
*/
|
||||
int npy_clear_floatstatus(void);
|
||||
int npy_get_floatstatus(void);
|
||||
|
||||
void npy_set_floatstatus_divbyzero(void);
|
||||
void npy_set_floatstatus_overflow(void);
|
||||
void npy_set_floatstatus_underflow(void);
|
||||
void npy_set_floatstatus_invalid(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#if NPY_INLINE_MATH
|
||||
#include "npy_math_internal.h"
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,19 @@
|
||||
/*
|
||||
* This include file is provided for inclusion in Cython *.pyd files where
|
||||
* one would like to define the NPY_NO_DEPRECATED_API macro. It can be
|
||||
* included by
|
||||
*
|
||||
* cdef extern from "npy_no_deprecated_api.h": pass
|
||||
*
|
||||
*/
|
||||
#ifndef NPY_NO_DEPRECATED_API
|
||||
|
||||
/* put this check here since there may be multiple includes in C extensions. */
|
||||
#if defined(NDARRAYTYPES_H) || defined(_NPY_DEPRECATED_API_H) || \
|
||||
defined(OLD_DEFINES_H)
|
||||
#error "npy_no_deprecated_api.h" must be first among numpy includes.
|
||||
#else
|
||||
#define NPY_NO_DEPRECATED_API NPY_API_VERSION
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,30 @@
|
||||
#ifndef _NPY_OS_H_
|
||||
#define _NPY_OS_H_
|
||||
|
||||
#if defined(linux) || defined(__linux) || defined(__linux__)
|
||||
#define NPY_OS_LINUX
|
||||
#elif defined(__FreeBSD__) || defined(__NetBSD__) || \
|
||||
defined(__OpenBSD__) || defined(__DragonFly__)
|
||||
#define NPY_OS_BSD
|
||||
#ifdef __FreeBSD__
|
||||
#define NPY_OS_FREEBSD
|
||||
#elif defined(__NetBSD__)
|
||||
#define NPY_OS_NETBSD
|
||||
#elif defined(__OpenBSD__)
|
||||
#define NPY_OS_OPENBSD
|
||||
#elif defined(__DragonFly__)
|
||||
#define NPY_OS_DRAGONFLY
|
||||
#endif
|
||||
#elif defined(sun) || defined(__sun)
|
||||
#define NPY_OS_SOLARIS
|
||||
#elif defined(__CYGWIN__)
|
||||
#define NPY_OS_CYGWIN
|
||||
#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
|
||||
#define NPY_OS_WIN32
|
||||
#elif defined(__APPLE__)
|
||||
#define NPY_OS_DARWIN
|
||||
#else
|
||||
#define NPY_OS_UNKNOWN
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,44 @@
|
||||
#ifndef _NPY_NUMPYCONFIG_H_
|
||||
#define _NPY_NUMPYCONFIG_H_
|
||||
|
||||
#include "_numpyconfig.h"
|
||||
|
||||
/*
|
||||
* On Mac OS X, because there is only one configuration stage for all the archs
|
||||
* in universal builds, any macro which depends on the arch needs to be
|
||||
* hardcoded
|
||||
*/
|
||||
#ifdef __APPLE__
|
||||
#undef NPY_SIZEOF_LONG
|
||||
#undef NPY_SIZEOF_PY_INTPTR_T
|
||||
|
||||
#ifdef __LP64__
|
||||
#define NPY_SIZEOF_LONG 8
|
||||
#define NPY_SIZEOF_PY_INTPTR_T 8
|
||||
#else
|
||||
#define NPY_SIZEOF_LONG 4
|
||||
#define NPY_SIZEOF_PY_INTPTR_T 4
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
* To help with the NPY_NO_DEPRECATED_API macro, we include API version
|
||||
* numbers for specific versions of NumPy. To exclude all API that was
|
||||
* deprecated as of 1.7, add the following before #including any NumPy
|
||||
* headers:
|
||||
* #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
|
||||
*/
|
||||
#define NPY_1_7_API_VERSION 0x00000007
|
||||
#define NPY_1_8_API_VERSION 0x00000008
|
||||
#define NPY_1_9_API_VERSION 0x00000008
|
||||
#define NPY_1_10_API_VERSION 0x00000008
|
||||
#define NPY_1_11_API_VERSION 0x00000008
|
||||
#define NPY_1_12_API_VERSION 0x00000008
|
||||
#define NPY_1_13_API_VERSION 0x00000008
|
||||
#define NPY_1_14_API_VERSION 0x00000008
|
||||
#define NPY_1_15_API_VERSION 0x00000008
|
||||
#define NPY_1_16_API_VERSION 0x00000008
|
||||
#define NPY_1_17_API_VERSION 0x00000008
|
||||
#define NPY_1_18_API_VERSION 0x00000008
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,187 @@
|
||||
/* This header is deprecated as of NumPy 1.7 */
|
||||
#ifndef OLD_DEFINES_H
|
||||
#define OLD_DEFINES_H
|
||||
|
||||
#if defined(NPY_NO_DEPRECATED_API) && NPY_NO_DEPRECATED_API >= NPY_1_7_API_VERSION
|
||||
#error The header "old_defines.h" is deprecated as of NumPy 1.7.
|
||||
#endif
|
||||
|
||||
#define NDARRAY_VERSION NPY_VERSION
|
||||
|
||||
#define PyArray_MIN_BUFSIZE NPY_MIN_BUFSIZE
|
||||
#define PyArray_MAX_BUFSIZE NPY_MAX_BUFSIZE
|
||||
#define PyArray_BUFSIZE NPY_BUFSIZE
|
||||
|
||||
#define PyArray_PRIORITY NPY_PRIORITY
|
||||
#define PyArray_SUBTYPE_PRIORITY NPY_PRIORITY
|
||||
#define PyArray_NUM_FLOATTYPE NPY_NUM_FLOATTYPE
|
||||
|
||||
#define NPY_MAX PyArray_MAX
|
||||
#define NPY_MIN PyArray_MIN
|
||||
|
||||
#define PyArray_TYPES NPY_TYPES
|
||||
#define PyArray_BOOL NPY_BOOL
|
||||
#define PyArray_BYTE NPY_BYTE
|
||||
#define PyArray_UBYTE NPY_UBYTE
|
||||
#define PyArray_SHORT NPY_SHORT
|
||||
#define PyArray_USHORT NPY_USHORT
|
||||
#define PyArray_INT NPY_INT
|
||||
#define PyArray_UINT NPY_UINT
|
||||
#define PyArray_LONG NPY_LONG
|
||||
#define PyArray_ULONG NPY_ULONG
|
||||
#define PyArray_LONGLONG NPY_LONGLONG
|
||||
#define PyArray_ULONGLONG NPY_ULONGLONG
|
||||
#define PyArray_HALF NPY_HALF
|
||||
#define PyArray_FLOAT NPY_FLOAT
|
||||
#define PyArray_DOUBLE NPY_DOUBLE
|
||||
#define PyArray_LONGDOUBLE NPY_LONGDOUBLE
|
||||
#define PyArray_CFLOAT NPY_CFLOAT
|
||||
#define PyArray_CDOUBLE NPY_CDOUBLE
|
||||
#define PyArray_CLONGDOUBLE NPY_CLONGDOUBLE
|
||||
#define PyArray_OBJECT NPY_OBJECT
|
||||
#define PyArray_STRING NPY_STRING
|
||||
#define PyArray_UNICODE NPY_UNICODE
|
||||
#define PyArray_VOID NPY_VOID
|
||||
#define PyArray_DATETIME NPY_DATETIME
|
||||
#define PyArray_TIMEDELTA NPY_TIMEDELTA
|
||||
#define PyArray_NTYPES NPY_NTYPES
|
||||
#define PyArray_NOTYPE NPY_NOTYPE
|
||||
#define PyArray_CHAR NPY_CHAR
|
||||
#define PyArray_USERDEF NPY_USERDEF
|
||||
#define PyArray_NUMUSERTYPES NPY_NUMUSERTYPES
|
||||
|
||||
#define PyArray_INTP NPY_INTP
|
||||
#define PyArray_UINTP NPY_UINTP
|
||||
|
||||
#define PyArray_INT8 NPY_INT8
|
||||
#define PyArray_UINT8 NPY_UINT8
|
||||
#define PyArray_INT16 NPY_INT16
|
||||
#define PyArray_UINT16 NPY_UINT16
|
||||
#define PyArray_INT32 NPY_INT32
|
||||
#define PyArray_UINT32 NPY_UINT32
|
||||
|
||||
#ifdef NPY_INT64
|
||||
#define PyArray_INT64 NPY_INT64
|
||||
#define PyArray_UINT64 NPY_UINT64
|
||||
#endif
|
||||
|
||||
#ifdef NPY_INT128
|
||||
#define PyArray_INT128 NPY_INT128
|
||||
#define PyArray_UINT128 NPY_UINT128
|
||||
#endif
|
||||
|
||||
#ifdef NPY_FLOAT16
|
||||
#define PyArray_FLOAT16 NPY_FLOAT16
|
||||
#define PyArray_COMPLEX32 NPY_COMPLEX32
|
||||
#endif
|
||||
|
||||
#ifdef NPY_FLOAT80
|
||||
#define PyArray_FLOAT80 NPY_FLOAT80
|
||||
#define PyArray_COMPLEX160 NPY_COMPLEX160
|
||||
#endif
|
||||
|
||||
#ifdef NPY_FLOAT96
|
||||
#define PyArray_FLOAT96 NPY_FLOAT96
|
||||
#define PyArray_COMPLEX192 NPY_COMPLEX192
|
||||
#endif
|
||||
|
||||
#ifdef NPY_FLOAT128
|
||||
#define PyArray_FLOAT128 NPY_FLOAT128
|
||||
#define PyArray_COMPLEX256 NPY_COMPLEX256
|
||||
#endif
|
||||
|
||||
#define PyArray_FLOAT32 NPY_FLOAT32
|
||||
#define PyArray_COMPLEX64 NPY_COMPLEX64
|
||||
#define PyArray_FLOAT64 NPY_FLOAT64
|
||||
#define PyArray_COMPLEX128 NPY_COMPLEX128
|
||||
|
||||
|
||||
#define PyArray_TYPECHAR NPY_TYPECHAR
|
||||
#define PyArray_BOOLLTR NPY_BOOLLTR
|
||||
#define PyArray_BYTELTR NPY_BYTELTR
|
||||
#define PyArray_UBYTELTR NPY_UBYTELTR
|
||||
#define PyArray_SHORTLTR NPY_SHORTLTR
|
||||
#define PyArray_USHORTLTR NPY_USHORTLTR
|
||||
#define PyArray_INTLTR NPY_INTLTR
|
||||
#define PyArray_UINTLTR NPY_UINTLTR
|
||||
#define PyArray_LONGLTR NPY_LONGLTR
|
||||
#define PyArray_ULONGLTR NPY_ULONGLTR
|
||||
#define PyArray_LONGLONGLTR NPY_LONGLONGLTR
|
||||
#define PyArray_ULONGLONGLTR NPY_ULONGLONGLTR
|
||||
#define PyArray_HALFLTR NPY_HALFLTR
|
||||
#define PyArray_FLOATLTR NPY_FLOATLTR
|
||||
#define PyArray_DOUBLELTR NPY_DOUBLELTR
|
||||
#define PyArray_LONGDOUBLELTR NPY_LONGDOUBLELTR
|
||||
#define PyArray_CFLOATLTR NPY_CFLOATLTR
|
||||
#define PyArray_CDOUBLELTR NPY_CDOUBLELTR
|
||||
#define PyArray_CLONGDOUBLELTR NPY_CLONGDOUBLELTR
|
||||
#define PyArray_OBJECTLTR NPY_OBJECTLTR
|
||||
#define PyArray_STRINGLTR NPY_STRINGLTR
|
||||
#define PyArray_STRINGLTR2 NPY_STRINGLTR2
|
||||
#define PyArray_UNICODELTR NPY_UNICODELTR
|
||||
#define PyArray_VOIDLTR NPY_VOIDLTR
|
||||
#define PyArray_DATETIMELTR NPY_DATETIMELTR
|
||||
#define PyArray_TIMEDELTALTR NPY_TIMEDELTALTR
|
||||
#define PyArray_CHARLTR NPY_CHARLTR
|
||||
#define PyArray_INTPLTR NPY_INTPLTR
|
||||
#define PyArray_UINTPLTR NPY_UINTPLTR
|
||||
#define PyArray_GENBOOLLTR NPY_GENBOOLLTR
|
||||
#define PyArray_SIGNEDLTR NPY_SIGNEDLTR
|
||||
#define PyArray_UNSIGNEDLTR NPY_UNSIGNEDLTR
|
||||
#define PyArray_FLOATINGLTR NPY_FLOATINGLTR
|
||||
#define PyArray_COMPLEXLTR NPY_COMPLEXLTR
|
||||
|
||||
#define PyArray_QUICKSORT NPY_QUICKSORT
|
||||
#define PyArray_HEAPSORT NPY_HEAPSORT
|
||||
#define PyArray_MERGESORT NPY_MERGESORT
|
||||
#define PyArray_SORTKIND NPY_SORTKIND
|
||||
#define PyArray_NSORTS NPY_NSORTS
|
||||
|
||||
#define PyArray_NOSCALAR NPY_NOSCALAR
|
||||
#define PyArray_BOOL_SCALAR NPY_BOOL_SCALAR
|
||||
#define PyArray_INTPOS_SCALAR NPY_INTPOS_SCALAR
|
||||
#define PyArray_INTNEG_SCALAR NPY_INTNEG_SCALAR
|
||||
#define PyArray_FLOAT_SCALAR NPY_FLOAT_SCALAR
|
||||
#define PyArray_COMPLEX_SCALAR NPY_COMPLEX_SCALAR
|
||||
#define PyArray_OBJECT_SCALAR NPY_OBJECT_SCALAR
|
||||
#define PyArray_SCALARKIND NPY_SCALARKIND
|
||||
#define PyArray_NSCALARKINDS NPY_NSCALARKINDS
|
||||
|
||||
#define PyArray_ANYORDER NPY_ANYORDER
|
||||
#define PyArray_CORDER NPY_CORDER
|
||||
#define PyArray_FORTRANORDER NPY_FORTRANORDER
|
||||
#define PyArray_ORDER NPY_ORDER
|
||||
|
||||
#define PyDescr_ISBOOL PyDataType_ISBOOL
|
||||
#define PyDescr_ISUNSIGNED PyDataType_ISUNSIGNED
|
||||
#define PyDescr_ISSIGNED PyDataType_ISSIGNED
|
||||
#define PyDescr_ISINTEGER PyDataType_ISINTEGER
|
||||
#define PyDescr_ISFLOAT PyDataType_ISFLOAT
|
||||
#define PyDescr_ISNUMBER PyDataType_ISNUMBER
|
||||
#define PyDescr_ISSTRING PyDataType_ISSTRING
|
||||
#define PyDescr_ISCOMPLEX PyDataType_ISCOMPLEX
|
||||
#define PyDescr_ISPYTHON PyDataType_ISPYTHON
|
||||
#define PyDescr_ISFLEXIBLE PyDataType_ISFLEXIBLE
|
||||
#define PyDescr_ISUSERDEF PyDataType_ISUSERDEF
|
||||
#define PyDescr_ISEXTENDED PyDataType_ISEXTENDED
|
||||
#define PyDescr_ISOBJECT PyDataType_ISOBJECT
|
||||
#define PyDescr_HASFIELDS PyDataType_HASFIELDS
|
||||
|
||||
#define PyArray_LITTLE NPY_LITTLE
|
||||
#define PyArray_BIG NPY_BIG
|
||||
#define PyArray_NATIVE NPY_NATIVE
|
||||
#define PyArray_SWAP NPY_SWAP
|
||||
#define PyArray_IGNORE NPY_IGNORE
|
||||
|
||||
#define PyArray_NATBYTE NPY_NATBYTE
|
||||
#define PyArray_OPPBYTE NPY_OPPBYTE
|
||||
|
||||
#define PyArray_MAX_ELSIZE NPY_MAX_ELSIZE
|
||||
|
||||
#define PyArray_USE_PYMEM NPY_USE_PYMEM
|
||||
|
||||
#define PyArray_RemoveLargest PyArray_RemoveSmallest
|
||||
|
||||
#define PyArray_UCS4 npy_ucs4
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,25 @@
|
||||
#include "arrayobject.h"
|
||||
|
||||
#ifndef PYPY_VERSION
|
||||
#ifndef REFCOUNT
|
||||
# define REFCOUNT NPY_REFCOUNT
|
||||
# define MAX_ELSIZE 16
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define PyArray_UNSIGNED_TYPES
|
||||
#define PyArray_SBYTE NPY_BYTE
|
||||
#define PyArray_CopyArray PyArray_CopyInto
|
||||
#define _PyArray_multiply_list PyArray_MultiplyIntList
|
||||
#define PyArray_ISSPACESAVER(m) NPY_FALSE
|
||||
#define PyScalarArray_Check PyArray_CheckScalar
|
||||
|
||||
#define CONTIGUOUS NPY_CONTIGUOUS
|
||||
#define OWN_DIMENSIONS 0
|
||||
#define OWN_STRIDES 0
|
||||
#define OWN_DATA NPY_OWNDATA
|
||||
#define SAVESPACE 0
|
||||
#define SAVESPACEBIT 0
|
||||
|
||||
#undef import_array
|
||||
#define import_array() { if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import"); } }
|
||||
@ -0,0 +1,20 @@
|
||||
#ifndef _RANDOM_BITGEN_H
|
||||
#define _RANDOM_BITGEN_H
|
||||
|
||||
#pragma once
|
||||
#include <stddef.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/* Must match the declaration in numpy/random/<any>.pxd */
|
||||
|
||||
typedef struct bitgen {
|
||||
void *state;
|
||||
uint64_t (*next_uint64)(void *st);
|
||||
uint32_t (*next_uint32)(void *st);
|
||||
double (*next_double)(void *st);
|
||||
uint64_t (*next_raw)(void *st);
|
||||
} bitgen_t;
|
||||
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,200 @@
|
||||
#ifndef _RANDOMDGEN__DISTRIBUTIONS_H_
|
||||
#define _RANDOMDGEN__DISTRIBUTIONS_H_
|
||||
|
||||
#include "Python.h"
|
||||
#include "numpy/npy_common.h"
|
||||
#include <stddef.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include "numpy/npy_math.h"
|
||||
#include "numpy/random/bitgen.h"
|
||||
|
||||
/*
|
||||
* RAND_INT_TYPE is used to share integer generators with RandomState which
|
||||
* used long in place of int64_t. If changing a distribution that uses
|
||||
* RAND_INT_TYPE, then the original unmodified copy must be retained for
|
||||
* use in RandomState by copying to the legacy distributions source file.
|
||||
*/
|
||||
#ifdef NP_RANDOM_LEGACY
|
||||
#define RAND_INT_TYPE long
|
||||
#define RAND_INT_MAX LONG_MAX
|
||||
#else
|
||||
#define RAND_INT_TYPE int64_t
|
||||
#define RAND_INT_MAX INT64_MAX
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#define DECLDIR __declspec(dllexport)
|
||||
#else
|
||||
#define DECLDIR extern
|
||||
#endif
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(x, y) (((x) < (y)) ? x : y)
|
||||
#define MAX(x, y) (((x) > (y)) ? x : y)
|
||||
#endif
|
||||
|
||||
#ifndef M_PI
|
||||
#define M_PI 3.14159265358979323846264338328
|
||||
#endif
|
||||
|
||||
typedef struct s_binomial_t {
|
||||
int has_binomial; /* !=0: following parameters initialized for binomial */
|
||||
double psave;
|
||||
RAND_INT_TYPE nsave;
|
||||
double r;
|
||||
double q;
|
||||
double fm;
|
||||
RAND_INT_TYPE m;
|
||||
double p1;
|
||||
double xm;
|
||||
double xl;
|
||||
double xr;
|
||||
double c;
|
||||
double laml;
|
||||
double lamr;
|
||||
double p2;
|
||||
double p3;
|
||||
double p4;
|
||||
} binomial_t;
|
||||
|
||||
DECLDIR float random_standard_uniform_f(bitgen_t *bitgen_state);
|
||||
DECLDIR double random_standard_uniform(bitgen_t *bitgen_state);
|
||||
DECLDIR void random_standard_uniform_fill(bitgen_t *, npy_intp, double *);
|
||||
DECLDIR void random_standard_uniform_fill_f(bitgen_t *, npy_intp, float *);
|
||||
|
||||
DECLDIR int64_t random_positive_int64(bitgen_t *bitgen_state);
|
||||
DECLDIR int32_t random_positive_int32(bitgen_t *bitgen_state);
|
||||
DECLDIR int64_t random_positive_int(bitgen_t *bitgen_state);
|
||||
DECLDIR uint64_t random_uint(bitgen_t *bitgen_state);
|
||||
|
||||
DECLDIR double random_standard_exponential(bitgen_t *bitgen_state);
|
||||
DECLDIR float random_standard_exponential_f(bitgen_t *bitgen_state);
|
||||
DECLDIR void random_standard_exponential_fill(bitgen_t *, npy_intp, double *);
|
||||
DECLDIR void random_standard_exponential_fill_f(bitgen_t *, npy_intp, float *);
|
||||
DECLDIR void random_standard_exponential_inv_fill(bitgen_t *, npy_intp, double *);
|
||||
DECLDIR void random_standard_exponential_inv_fill_f(bitgen_t *, npy_intp, float *);
|
||||
|
||||
DECLDIR double random_standard_normal(bitgen_t *bitgen_state);
|
||||
DECLDIR float random_standard_normal_f(bitgen_t *bitgen_state);
|
||||
DECLDIR void random_standard_normal_fill(bitgen_t *, npy_intp, double *);
|
||||
DECLDIR void random_standard_normal_fill_f(bitgen_t *, npy_intp, float *);
|
||||
DECLDIR double random_standard_gamma(bitgen_t *bitgen_state, double shape);
|
||||
DECLDIR float random_standard_gamma_f(bitgen_t *bitgen_state, float shape);
|
||||
|
||||
DECLDIR double random_normal(bitgen_t *bitgen_state, double loc, double scale);
|
||||
|
||||
DECLDIR double random_gamma(bitgen_t *bitgen_state, double shape, double scale);
|
||||
DECLDIR float random_gamma_f(bitgen_t *bitgen_state, float shape, float scale);
|
||||
|
||||
DECLDIR double random_exponential(bitgen_t *bitgen_state, double scale);
|
||||
DECLDIR double random_uniform(bitgen_t *bitgen_state, double lower, double range);
|
||||
DECLDIR double random_beta(bitgen_t *bitgen_state, double a, double b);
|
||||
DECLDIR double random_chisquare(bitgen_t *bitgen_state, double df);
|
||||
DECLDIR double random_f(bitgen_t *bitgen_state, double dfnum, double dfden);
|
||||
DECLDIR double random_standard_cauchy(bitgen_t *bitgen_state);
|
||||
DECLDIR double random_pareto(bitgen_t *bitgen_state, double a);
|
||||
DECLDIR double random_weibull(bitgen_t *bitgen_state, double a);
|
||||
DECLDIR double random_power(bitgen_t *bitgen_state, double a);
|
||||
DECLDIR double random_laplace(bitgen_t *bitgen_state, double loc, double scale);
|
||||
DECLDIR double random_gumbel(bitgen_t *bitgen_state, double loc, double scale);
|
||||
DECLDIR double random_logistic(bitgen_t *bitgen_state, double loc, double scale);
|
||||
DECLDIR double random_lognormal(bitgen_t *bitgen_state, double mean, double sigma);
|
||||
DECLDIR double random_rayleigh(bitgen_t *bitgen_state, double mode);
|
||||
DECLDIR double random_standard_t(bitgen_t *bitgen_state, double df);
|
||||
DECLDIR double random_noncentral_chisquare(bitgen_t *bitgen_state, double df,
|
||||
double nonc);
|
||||
DECLDIR double random_noncentral_f(bitgen_t *bitgen_state, double dfnum,
|
||||
double dfden, double nonc);
|
||||
DECLDIR double random_wald(bitgen_t *bitgen_state, double mean, double scale);
|
||||
DECLDIR double random_vonmises(bitgen_t *bitgen_state, double mu, double kappa);
|
||||
DECLDIR double random_triangular(bitgen_t *bitgen_state, double left, double mode,
|
||||
double right);
|
||||
|
||||
DECLDIR RAND_INT_TYPE random_poisson(bitgen_t *bitgen_state, double lam);
|
||||
DECLDIR RAND_INT_TYPE random_negative_binomial(bitgen_t *bitgen_state, double n,
|
||||
double p);
|
||||
|
||||
DECLDIR int64_t random_binomial(bitgen_t *bitgen_state, double p,
|
||||
int64_t n, binomial_t *binomial);
|
||||
|
||||
DECLDIR RAND_INT_TYPE random_logseries(bitgen_t *bitgen_state, double p);
|
||||
DECLDIR RAND_INT_TYPE random_geometric(bitgen_t *bitgen_state, double p);
|
||||
DECLDIR RAND_INT_TYPE random_zipf(bitgen_t *bitgen_state, double a);
|
||||
DECLDIR int64_t random_hypergeometric(bitgen_t *bitgen_state,
|
||||
int64_t good, int64_t bad, int64_t sample);
|
||||
DECLDIR uint64_t random_interval(bitgen_t *bitgen_state, uint64_t max);
|
||||
|
||||
/* Generate random uint64 numbers in closed interval [off, off + rng]. */
|
||||
DECLDIR uint64_t random_bounded_uint64(bitgen_t *bitgen_state, uint64_t off,
|
||||
uint64_t rng, uint64_t mask,
|
||||
bool use_masked);
|
||||
|
||||
/* Generate random uint32 numbers in closed interval [off, off + rng]. */
|
||||
DECLDIR uint32_t random_buffered_bounded_uint32(bitgen_t *bitgen_state,
|
||||
uint32_t off, uint32_t rng,
|
||||
uint32_t mask, bool use_masked,
|
||||
int *bcnt, uint32_t *buf);
|
||||
DECLDIR uint16_t random_buffered_bounded_uint16(bitgen_t *bitgen_state,
|
||||
uint16_t off, uint16_t rng,
|
||||
uint16_t mask, bool use_masked,
|
||||
int *bcnt, uint32_t *buf);
|
||||
DECLDIR uint8_t random_buffered_bounded_uint8(bitgen_t *bitgen_state, uint8_t off,
|
||||
uint8_t rng, uint8_t mask,
|
||||
bool use_masked, int *bcnt,
|
||||
uint32_t *buf);
|
||||
DECLDIR npy_bool random_buffered_bounded_bool(bitgen_t *bitgen_state, npy_bool off,
|
||||
npy_bool rng, npy_bool mask,
|
||||
bool use_masked, int *bcnt,
|
||||
uint32_t *buf);
|
||||
|
||||
DECLDIR void random_bounded_uint64_fill(bitgen_t *bitgen_state, uint64_t off,
|
||||
uint64_t rng, npy_intp cnt,
|
||||
bool use_masked, uint64_t *out);
|
||||
DECLDIR void random_bounded_uint32_fill(bitgen_t *bitgen_state, uint32_t off,
|
||||
uint32_t rng, npy_intp cnt,
|
||||
bool use_masked, uint32_t *out);
|
||||
DECLDIR void random_bounded_uint16_fill(bitgen_t *bitgen_state, uint16_t off,
|
||||
uint16_t rng, npy_intp cnt,
|
||||
bool use_masked, uint16_t *out);
|
||||
DECLDIR void random_bounded_uint8_fill(bitgen_t *bitgen_state, uint8_t off,
|
||||
uint8_t rng, npy_intp cnt,
|
||||
bool use_masked, uint8_t *out);
|
||||
DECLDIR void random_bounded_bool_fill(bitgen_t *bitgen_state, npy_bool off,
|
||||
npy_bool rng, npy_intp cnt,
|
||||
bool use_masked, npy_bool *out);
|
||||
|
||||
DECLDIR void random_multinomial(bitgen_t *bitgen_state, RAND_INT_TYPE n, RAND_INT_TYPE *mnix,
|
||||
double *pix, npy_intp d, binomial_t *binomial);
|
||||
|
||||
/* multivariate hypergeometric, "count" method */
|
||||
DECLDIR int random_multivariate_hypergeometric_count(bitgen_t *bitgen_state,
|
||||
int64_t total,
|
||||
size_t num_colors, int64_t *colors,
|
||||
int64_t nsample,
|
||||
size_t num_variates, int64_t *variates);
|
||||
|
||||
/* multivariate hypergeometric, "marginals" method */
|
||||
DECLDIR void random_multivariate_hypergeometric_marginals(bitgen_t *bitgen_state,
|
||||
int64_t total,
|
||||
size_t num_colors, int64_t *colors,
|
||||
int64_t nsample,
|
||||
size_t num_variates, int64_t *variates);
|
||||
|
||||
/* Common to legacy-distributions.c and distributions.c but not exported */
|
||||
|
||||
RAND_INT_TYPE random_binomial_btpe(bitgen_t *bitgen_state,
|
||||
RAND_INT_TYPE n,
|
||||
double p,
|
||||
binomial_t *binomial);
|
||||
RAND_INT_TYPE random_binomial_inversion(bitgen_t *bitgen_state,
|
||||
RAND_INT_TYPE n,
|
||||
double p,
|
||||
binomial_t *binomial);
|
||||
double random_loggam(double x);
|
||||
static NPY_INLINE double next_double(bitgen_t *bitgen_state) {
|
||||
return bitgen_state->next_double(bitgen_state->state);
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,338 @@
|
||||
|
||||
=================
|
||||
NumPy Ufunc C-API
|
||||
=================
|
||||
::
|
||||
|
||||
PyObject *
|
||||
PyUFunc_FromFuncAndData(PyUFuncGenericFunction *func, void
|
||||
**data, char *types, int ntypes, int nin, int
|
||||
nout, int identity, const char *name, const
|
||||
char *doc, int unused)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_RegisterLoopForType(PyUFuncObject *ufunc, int
|
||||
usertype, PyUFuncGenericFunction
|
||||
function, const int *arg_types, void
|
||||
*data)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_GenericFunction(PyUFuncObject *ufunc, PyObject *args, PyObject
|
||||
*kwds, PyArrayObject **op)
|
||||
|
||||
|
||||
This generic function is called with the ufunc object, the arguments to it,
|
||||
and an array of (pointers to) PyArrayObjects which are NULL.
|
||||
|
||||
'op' is an array of at least NPY_MAXARGS PyArrayObject *.
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_f_f_As_d_d(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_d_d(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_f_f(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_g_g(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_F_F_As_D_D(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_F_F(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_D_D(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_G_G(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_O_O(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_ff_f_As_dd_d(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_ff_f(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_dd_d(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_gg_g(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_FF_F_As_DD_D(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_DD_D(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_FF_F(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_GG_G(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_OO_O(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_O_O_method(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_OO_O_method(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_On_Om(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_GetPyValues(char *name, int *bufsize, int *errmask, PyObject
|
||||
**errobj)
|
||||
|
||||
|
||||
On return, if errobj is populated with a non-NULL value, the caller
|
||||
owns a new reference to errobj.
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_checkfperr(int errmask, PyObject *errobj, int *first)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_clearfperr()
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_getfperr(void )
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_handlefperr(int errmask, PyObject *errobj, int retstatus, int
|
||||
*first)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_ReplaceLoopBySignature(PyUFuncObject
|
||||
*func, PyUFuncGenericFunction
|
||||
newfunc, const int
|
||||
*signature, PyUFuncGenericFunction
|
||||
*oldfunc)
|
||||
|
||||
|
||||
::
|
||||
|
||||
PyObject *
|
||||
PyUFunc_FromFuncAndDataAndSignature(PyUFuncGenericFunction *func, void
|
||||
**data, char *types, int
|
||||
ntypes, int nin, int nout, int
|
||||
identity, const char *name, const
|
||||
char *doc, int unused, const char
|
||||
*signature)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_SetUsesArraysAsData(void **data, size_t i)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_e_e(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_e_e_As_f_f(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_e_e_As_d_d(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_ee_e(char **args, npy_intp *dimensions, npy_intp *steps, void
|
||||
*func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_ee_e_As_ff_f(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
void
|
||||
PyUFunc_ee_e_As_dd_d(char **args, npy_intp *dimensions, npy_intp
|
||||
*steps, void *func)
|
||||
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_DefaultTypeResolver(PyUFuncObject *ufunc, NPY_CASTING
|
||||
casting, PyArrayObject
|
||||
**operands, PyObject
|
||||
*type_tup, PyArray_Descr **out_dtypes)
|
||||
|
||||
|
||||
This function applies the default type resolution rules
|
||||
for the provided ufunc.
|
||||
|
||||
Returns 0 on success, -1 on error.
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_ValidateCasting(PyUFuncObject *ufunc, NPY_CASTING
|
||||
casting, PyArrayObject
|
||||
**operands, PyArray_Descr **dtypes)
|
||||
|
||||
|
||||
Validates that the input operands can be cast to
|
||||
the input types, and the output types can be cast to
|
||||
the output operands where provided.
|
||||
|
||||
Returns 0 on success, -1 (with exception raised) on validation failure.
|
||||
|
||||
::
|
||||
|
||||
int
|
||||
PyUFunc_RegisterLoopForDescr(PyUFuncObject *ufunc, PyArray_Descr
|
||||
*user_dtype, PyUFuncGenericFunction
|
||||
function, PyArray_Descr
|
||||
**arg_dtypes, void *data)
|
||||
|
||||
|
||||
::
|
||||
|
||||
PyObject *
|
||||
PyUFunc_FromFuncAndDataAndSignatureAndIdentity(PyUFuncGenericFunction
|
||||
*func, void
|
||||
**data, char
|
||||
*types, int ntypes, int
|
||||
nin, int nout, int
|
||||
identity, const char
|
||||
*name, const char
|
||||
*doc, const int
|
||||
unused, const char
|
||||
*signature, PyObject
|
||||
*identity_value)
|
||||
|
||||
|
||||
@ -0,0 +1,369 @@
|
||||
#ifndef Py_UFUNCOBJECT_H
|
||||
#define Py_UFUNCOBJECT_H
|
||||
|
||||
#include <numpy/npy_math.h>
|
||||
#include <numpy/npy_common.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The legacy generic inner loop for a standard element-wise or
|
||||
* generalized ufunc.
|
||||
*/
|
||||
typedef void (*PyUFuncGenericFunction)
|
||||
(char **args,
|
||||
npy_intp *dimensions,
|
||||
npy_intp *strides,
|
||||
void *innerloopdata);
|
||||
|
||||
/*
|
||||
* The most generic one-dimensional inner loop for
|
||||
* a masked standard element-wise ufunc. "Masked" here means that it skips
|
||||
* doing calculations on any items for which the maskptr array has a true
|
||||
* value.
|
||||
*/
|
||||
typedef void (PyUFunc_MaskedStridedInnerLoopFunc)(
|
||||
char **dataptrs, npy_intp *strides,
|
||||
char *maskptr, npy_intp mask_stride,
|
||||
npy_intp count,
|
||||
NpyAuxData *innerloopdata);
|
||||
|
||||
/* Forward declaration for the type resolver and loop selector typedefs */
|
||||
struct _tagPyUFuncObject;
|
||||
|
||||
/*
|
||||
* Given the operands for calling a ufunc, should determine the
|
||||
* calculation input and output data types and return an inner loop function.
|
||||
* This function should validate that the casting rule is being followed,
|
||||
* and fail if it is not.
|
||||
*
|
||||
* For backwards compatibility, the regular type resolution function does not
|
||||
* support auxiliary data with object semantics. The type resolution call
|
||||
* which returns a masked generic function returns a standard NpyAuxData
|
||||
* object, for which the NPY_AUXDATA_FREE and NPY_AUXDATA_CLONE macros
|
||||
* work.
|
||||
*
|
||||
* ufunc: The ufunc object.
|
||||
* casting: The 'casting' parameter provided to the ufunc.
|
||||
* operands: An array of length (ufunc->nin + ufunc->nout),
|
||||
* with the output parameters possibly NULL.
|
||||
* type_tup: Either NULL, or the type_tup passed to the ufunc.
|
||||
* out_dtypes: An array which should be populated with new
|
||||
* references to (ufunc->nin + ufunc->nout) new
|
||||
* dtypes, one for each input and output. These
|
||||
* dtypes should all be in native-endian format.
|
||||
*
|
||||
* Should return 0 on success, -1 on failure (with exception set),
|
||||
* or -2 if Py_NotImplemented should be returned.
|
||||
*/
|
||||
typedef int (PyUFunc_TypeResolutionFunc)(
|
||||
struct _tagPyUFuncObject *ufunc,
|
||||
NPY_CASTING casting,
|
||||
PyArrayObject **operands,
|
||||
PyObject *type_tup,
|
||||
PyArray_Descr **out_dtypes);
|
||||
|
||||
/*
|
||||
* Given an array of DTypes as returned by the PyUFunc_TypeResolutionFunc,
|
||||
* and an array of fixed strides (the array will contain NPY_MAX_INTP for
|
||||
* strides which are not necessarily fixed), returns an inner loop
|
||||
* with associated auxiliary data.
|
||||
*
|
||||
* For backwards compatibility, there is a variant of the inner loop
|
||||
* selection which returns an inner loop irrespective of the strides,
|
||||
* and with a void* static auxiliary data instead of an NpyAuxData *
|
||||
* dynamically allocatable auxiliary data.
|
||||
*
|
||||
* ufunc: The ufunc object.
|
||||
* dtypes: An array which has been populated with dtypes,
|
||||
* in most cases by the type resolution function
|
||||
* for the same ufunc.
|
||||
* fixed_strides: For each input/output, either the stride that
|
||||
* will be used every time the function is called
|
||||
* or NPY_MAX_INTP if the stride might change or
|
||||
* is not known ahead of time. The loop selection
|
||||
* function may use this stride to pick inner loops
|
||||
* which are optimized for contiguous or 0-stride
|
||||
* cases.
|
||||
* out_innerloop: Should be populated with the correct ufunc inner
|
||||
* loop for the given type.
|
||||
* out_innerloopdata: Should be populated with the void* data to
|
||||
* be passed into the out_innerloop function.
|
||||
* out_needs_api: If the inner loop needs to use the Python API,
|
||||
* should set the to 1, otherwise should leave
|
||||
* this untouched.
|
||||
*/
|
||||
typedef int (PyUFunc_LegacyInnerLoopSelectionFunc)(
|
||||
struct _tagPyUFuncObject *ufunc,
|
||||
PyArray_Descr **dtypes,
|
||||
PyUFuncGenericFunction *out_innerloop,
|
||||
void **out_innerloopdata,
|
||||
int *out_needs_api);
|
||||
typedef int (PyUFunc_MaskedInnerLoopSelectionFunc)(
|
||||
struct _tagPyUFuncObject *ufunc,
|
||||
PyArray_Descr **dtypes,
|
||||
PyArray_Descr *mask_dtype,
|
||||
npy_intp *fixed_strides,
|
||||
npy_intp fixed_mask_stride,
|
||||
PyUFunc_MaskedStridedInnerLoopFunc **out_innerloop,
|
||||
NpyAuxData **out_innerloopdata,
|
||||
int *out_needs_api);
|
||||
|
||||
typedef struct _tagPyUFuncObject {
|
||||
PyObject_HEAD
|
||||
/*
|
||||
* nin: Number of inputs
|
||||
* nout: Number of outputs
|
||||
* nargs: Always nin + nout (Why is it stored?)
|
||||
*/
|
||||
int nin, nout, nargs;
|
||||
|
||||
/*
|
||||
* Identity for reduction, any of PyUFunc_One, PyUFunc_Zero
|
||||
* PyUFunc_MinusOne, PyUFunc_None, PyUFunc_ReorderableNone,
|
||||
* PyUFunc_IdentityValue.
|
||||
*/
|
||||
int identity;
|
||||
|
||||
/* Array of one-dimensional core loops */
|
||||
PyUFuncGenericFunction *functions;
|
||||
/* Array of funcdata that gets passed into the functions */
|
||||
void **data;
|
||||
/* The number of elements in 'functions' and 'data' */
|
||||
int ntypes;
|
||||
|
||||
/* Used to be unused field 'check_return' */
|
||||
int reserved1;
|
||||
|
||||
/* The name of the ufunc */
|
||||
const char *name;
|
||||
|
||||
/* Array of type numbers, of size ('nargs' * 'ntypes') */
|
||||
char *types;
|
||||
|
||||
/* Documentation string */
|
||||
const char *doc;
|
||||
|
||||
void *ptr;
|
||||
PyObject *obj;
|
||||
PyObject *userloops;
|
||||
|
||||
/* generalized ufunc parameters */
|
||||
|
||||
/* 0 for scalar ufunc; 1 for generalized ufunc */
|
||||
int core_enabled;
|
||||
/* number of distinct dimension names in signature */
|
||||
int core_num_dim_ix;
|
||||
|
||||
/*
|
||||
* dimension indices of input/output argument k are stored in
|
||||
* core_dim_ixs[core_offsets[k]..core_offsets[k]+core_num_dims[k]-1]
|
||||
*/
|
||||
|
||||
/* numbers of core dimensions of each argument */
|
||||
int *core_num_dims;
|
||||
/*
|
||||
* dimension indices in a flatted form; indices
|
||||
* are in the range of [0,core_num_dim_ix)
|
||||
*/
|
||||
int *core_dim_ixs;
|
||||
/*
|
||||
* positions of 1st core dimensions of each
|
||||
* argument in core_dim_ixs, equivalent to cumsum(core_num_dims)
|
||||
*/
|
||||
int *core_offsets;
|
||||
/* signature string for printing purpose */
|
||||
char *core_signature;
|
||||
|
||||
/*
|
||||
* A function which resolves the types and fills an array
|
||||
* with the dtypes for the inputs and outputs.
|
||||
*/
|
||||
PyUFunc_TypeResolutionFunc *type_resolver;
|
||||
/*
|
||||
* A function which returns an inner loop written for
|
||||
* NumPy 1.6 and earlier ufuncs. This is for backwards
|
||||
* compatibility, and may be NULL if inner_loop_selector
|
||||
* is specified.
|
||||
*/
|
||||
PyUFunc_LegacyInnerLoopSelectionFunc *legacy_inner_loop_selector;
|
||||
/*
|
||||
* This was blocked off to be the "new" inner loop selector in 1.7,
|
||||
* but this was never implemented. (This is also why the above
|
||||
* selector is called the "legacy" selector.)
|
||||
*/
|
||||
void *reserved2;
|
||||
/*
|
||||
* A function which returns a masked inner loop for the ufunc.
|
||||
*/
|
||||
PyUFunc_MaskedInnerLoopSelectionFunc *masked_inner_loop_selector;
|
||||
|
||||
/*
|
||||
* List of flags for each operand when ufunc is called by nditer object.
|
||||
* These flags will be used in addition to the default flags for each
|
||||
* operand set by nditer object.
|
||||
*/
|
||||
npy_uint32 *op_flags;
|
||||
|
||||
/*
|
||||
* List of global flags used when ufunc is called by nditer object.
|
||||
* These flags will be used in addition to the default global flags
|
||||
* set by nditer object.
|
||||
*/
|
||||
npy_uint32 iter_flags;
|
||||
|
||||
/* New in NPY_API_VERSION 0x0000000D and above */
|
||||
|
||||
/*
|
||||
* for each core_num_dim_ix distinct dimension names,
|
||||
* the possible "frozen" size (-1 if not frozen).
|
||||
*/
|
||||
npy_intp *core_dim_sizes;
|
||||
|
||||
/*
|
||||
* for each distinct core dimension, a set of UFUNC_CORE_DIM* flags
|
||||
*/
|
||||
npy_uint32 *core_dim_flags;
|
||||
|
||||
/* Identity for reduction, when identity == PyUFunc_IdentityValue */
|
||||
PyObject *identity_value;
|
||||
|
||||
} PyUFuncObject;
|
||||
|
||||
#include "arrayobject.h"
|
||||
/* Generalized ufunc; 0x0001 reserved for possible use as CORE_ENABLED */
|
||||
/* the core dimension's size will be determined by the operands. */
|
||||
#define UFUNC_CORE_DIM_SIZE_INFERRED 0x0002
|
||||
/* the core dimension may be absent */
|
||||
#define UFUNC_CORE_DIM_CAN_IGNORE 0x0004
|
||||
/* flags inferred during execution */
|
||||
#define UFUNC_CORE_DIM_MISSING 0x00040000
|
||||
|
||||
#define UFUNC_ERR_IGNORE 0
|
||||
#define UFUNC_ERR_WARN 1
|
||||
#define UFUNC_ERR_RAISE 2
|
||||
#define UFUNC_ERR_CALL 3
|
||||
#define UFUNC_ERR_PRINT 4
|
||||
#define UFUNC_ERR_LOG 5
|
||||
|
||||
/* Python side integer mask */
|
||||
|
||||
#define UFUNC_MASK_DIVIDEBYZERO 0x07
|
||||
#define UFUNC_MASK_OVERFLOW 0x3f
|
||||
#define UFUNC_MASK_UNDERFLOW 0x1ff
|
||||
#define UFUNC_MASK_INVALID 0xfff
|
||||
|
||||
#define UFUNC_SHIFT_DIVIDEBYZERO 0
|
||||
#define UFUNC_SHIFT_OVERFLOW 3
|
||||
#define UFUNC_SHIFT_UNDERFLOW 6
|
||||
#define UFUNC_SHIFT_INVALID 9
|
||||
|
||||
|
||||
#define UFUNC_OBJ_ISOBJECT 1
|
||||
#define UFUNC_OBJ_NEEDS_API 2
|
||||
|
||||
/* Default user error mode */
|
||||
#define UFUNC_ERR_DEFAULT \
|
||||
(UFUNC_ERR_WARN << UFUNC_SHIFT_DIVIDEBYZERO) + \
|
||||
(UFUNC_ERR_WARN << UFUNC_SHIFT_OVERFLOW) + \
|
||||
(UFUNC_ERR_WARN << UFUNC_SHIFT_INVALID)
|
||||
|
||||
#if NPY_ALLOW_THREADS
|
||||
#define NPY_LOOP_BEGIN_THREADS do {if (!(loop->obj & UFUNC_OBJ_NEEDS_API)) _save = PyEval_SaveThread();} while (0);
|
||||
#define NPY_LOOP_END_THREADS do {if (!(loop->obj & UFUNC_OBJ_NEEDS_API)) PyEval_RestoreThread(_save);} while (0);
|
||||
#else
|
||||
#define NPY_LOOP_BEGIN_THREADS
|
||||
#define NPY_LOOP_END_THREADS
|
||||
#endif
|
||||
|
||||
/*
|
||||
* UFunc has unit of 0, and the order of operations can be reordered
|
||||
* This case allows reduction with multiple axes at once.
|
||||
*/
|
||||
#define PyUFunc_Zero 0
|
||||
/*
|
||||
* UFunc has unit of 1, and the order of operations can be reordered
|
||||
* This case allows reduction with multiple axes at once.
|
||||
*/
|
||||
#define PyUFunc_One 1
|
||||
/*
|
||||
* UFunc has unit of -1, and the order of operations can be reordered
|
||||
* This case allows reduction with multiple axes at once. Intended for
|
||||
* bitwise_and reduction.
|
||||
*/
|
||||
#define PyUFunc_MinusOne 2
|
||||
/*
|
||||
* UFunc has no unit, and the order of operations cannot be reordered.
|
||||
* This case does not allow reduction with multiple axes at once.
|
||||
*/
|
||||
#define PyUFunc_None -1
|
||||
/*
|
||||
* UFunc has no unit, and the order of operations can be reordered
|
||||
* This case allows reduction with multiple axes at once.
|
||||
*/
|
||||
#define PyUFunc_ReorderableNone -2
|
||||
/*
|
||||
* UFunc unit is an identity_value, and the order of operations can be reordered
|
||||
* This case allows reduction with multiple axes at once.
|
||||
*/
|
||||
#define PyUFunc_IdentityValue -3
|
||||
|
||||
|
||||
#define UFUNC_REDUCE 0
|
||||
#define UFUNC_ACCUMULATE 1
|
||||
#define UFUNC_REDUCEAT 2
|
||||
#define UFUNC_OUTER 3
|
||||
|
||||
|
||||
typedef struct {
|
||||
int nin;
|
||||
int nout;
|
||||
PyObject *callable;
|
||||
} PyUFunc_PyFuncData;
|
||||
|
||||
/* A linked-list of function information for
|
||||
user-defined 1-d loops.
|
||||
*/
|
||||
typedef struct _loop1d_info {
|
||||
PyUFuncGenericFunction func;
|
||||
void *data;
|
||||
int *arg_types;
|
||||
struct _loop1d_info *next;
|
||||
int nargs;
|
||||
PyArray_Descr **arg_dtypes;
|
||||
} PyUFunc_Loop1d;
|
||||
|
||||
|
||||
#include "__ufunc_api.h"
|
||||
|
||||
#define UFUNC_PYVALS_NAME "UFUNC_PYVALS"
|
||||
|
||||
/*
|
||||
* THESE MACROS ARE DEPRECATED.
|
||||
* Use npy_set_floatstatus_* in the npymath library.
|
||||
*/
|
||||
#define UFUNC_FPE_DIVIDEBYZERO NPY_FPE_DIVIDEBYZERO
|
||||
#define UFUNC_FPE_OVERFLOW NPY_FPE_OVERFLOW
|
||||
#define UFUNC_FPE_UNDERFLOW NPY_FPE_UNDERFLOW
|
||||
#define UFUNC_FPE_INVALID NPY_FPE_INVALID
|
||||
|
||||
#define generate_divbyzero_error() npy_set_floatstatus_divbyzero()
|
||||
#define generate_overflow_error() npy_set_floatstatus_overflow()
|
||||
|
||||
/* Make sure it gets defined if it isn't already */
|
||||
#ifndef UFUNC_NOFPE
|
||||
/* Clear the floating point exception default of Borland C++ */
|
||||
#if defined(__BORLANDC__)
|
||||
#define UFUNC_NOFPE _control87(MCW_EM, MCW_EM);
|
||||
#else
|
||||
#define UFUNC_NOFPE
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif /* !Py_UFUNCOBJECT_H */
|
||||
@ -0,0 +1,21 @@
|
||||
#ifndef __NUMPY_UTILS_HEADER__
|
||||
#define __NUMPY_UTILS_HEADER__
|
||||
|
||||
#ifndef __COMP_NPY_UNUSED
|
||||
#if defined(__GNUC__)
|
||||
#define __COMP_NPY_UNUSED __attribute__ ((__unused__))
|
||||
# elif defined(__ICC)
|
||||
#define __COMP_NPY_UNUSED __attribute__ ((__unused__))
|
||||
# elif defined(__clang__)
|
||||
#define __COMP_NPY_UNUSED __attribute__ ((unused))
|
||||
#else
|
||||
#define __COMP_NPY_UNUSED
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Use this to tag a variable as not used. It will remove unused variable
|
||||
* warning on support platforms (see __COM_NPY_UNUSED) and mangle the variable
|
||||
* to avoid accidental use */
|
||||
#define NPY_UNUSED(x) (__NPY_UNUSED_TAGGED ## x) __COMP_NPY_UNUSED
|
||||
|
||||
#endif
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue
Block a user