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This commit is contained in:
Marcin Kwapisz 2020-05-02 23:49:00 +02:00
parent b7675d3946
commit d303160f10
1139 changed files with 0 additions and 389029 deletions
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2
.idea/.gitignore vendored
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# Default ignored files
/workspace.xml

10
.idea/SI_Projekt.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="PYTHON_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/venv" />
</content>
<orderEntry type="jdk" jdkName="Python 3.8" jdkType="Python SDK" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

6
.idea/inspectionProfiles/profiles_settings.xml
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<component name="InspectionProjectProfileManager">
<settings>
<option name="USE_PROJECT_PROFILE" value="false" />
<version value="1.0" />
</settings>
</component>

7
.idea/misc.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="JavaScriptSettings">
<option name="languageLevel" value="ES6" />
</component>
<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8" project-jdk-type="Python SDK" />
</project>

8
.idea/modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/SI_Projekt.iml" filepath="$PROJECT_DIR$/.idea/SI_Projekt.iml" />
</modules>
</component>
</project>

7
.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

76
venv/bin/activate
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# This file must be used with "source bin/activate" *from bash*
# you cannot run it directly
deactivate () {
# reset old environment variables
if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
PATH="${_OLD_VIRTUAL_PATH:-}"
export PATH
unset _OLD_VIRTUAL_PATH
fi
if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
export PYTHONHOME
unset _OLD_VIRTUAL_PYTHONHOME
fi
# This should detect bash and zsh, which have a hash command that must
# be called to get it to forget past commands. Without forgetting
# past commands the $PATH changes we made may not be respected
if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
hash -r
fi
if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
PS1="${_OLD_VIRTUAL_PS1:-}"
export PS1
unset _OLD_VIRTUAL_PS1
fi
unset VIRTUAL_ENV
if [ ! "$1" = "nondestructive" ] ; then
# Self destruct!
unset -f deactivate
fi
}
# unset irrelevant variables
deactivate nondestructive
VIRTUAL_ENV="/home/marcin/PycharmProjects/SI_Projekt/venv"
export VIRTUAL_ENV
_OLD_VIRTUAL_PATH="$PATH"
PATH="$VIRTUAL_ENV/bin:$PATH"
export PATH
# unset PYTHONHOME if set
# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
# could use `if (set -u; : $PYTHONHOME) ;` in bash
if [ -n "${PYTHONHOME:-}" ] ; then
_OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
unset PYTHONHOME
fi
if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
_OLD_VIRTUAL_PS1="${PS1:-}"
if [ "x(venv) " != x ] ; then
PS1="(venv) ${PS1:-}"
else
if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
else
PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
fi
fi
export PS1
fi
# This should detect bash and zsh, which have a hash command that must
# be called to get it to forget past commands. Without forgetting
# past commands the $PATH changes we made may not be respected
if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
hash -r
fi

37
venv/bin/activate.csh
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# This file must be used with "source bin/activate.csh" *from csh*.
# You cannot run it directly.
# Created by Davide Di Blasi <davidedb@gmail.com>.
# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
# Unset irrelevant variables.
deactivate nondestructive
setenv VIRTUAL_ENV "/home/marcin/PycharmProjects/SI_Projekt/venv"
set _OLD_VIRTUAL_PATH="$PATH"
setenv PATH "$VIRTUAL_ENV/bin:$PATH"
set _OLD_VIRTUAL_PROMPT="$prompt"
if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
if ("venv" != "") then
set env_name = "venv"
else
if (`basename "VIRTUAL_ENV"` == "__") then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
else
set env_name = `basename "$VIRTUAL_ENV"`
endif
endif
set prompt = "[$env_name] $prompt"
unset env_name
endif
alias pydoc python -m pydoc
rehash

75
venv/bin/activate.fish
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# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
# you cannot run it directly
function deactivate -d "Exit virtualenv and return to normal shell environment"
# reset old environment variables
if test -n "$_OLD_VIRTUAL_PATH"
set -gx PATH $_OLD_VIRTUAL_PATH
set -e _OLD_VIRTUAL_PATH
end
if test -n "$_OLD_VIRTUAL_PYTHONHOME"
set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
set -e _OLD_VIRTUAL_PYTHONHOME
end
if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
functions -e fish_prompt
set -e _OLD_FISH_PROMPT_OVERRIDE
functions -c _old_fish_prompt fish_prompt
functions -e _old_fish_prompt
end
set -e VIRTUAL_ENV
if test "$argv[1]" != "nondestructive"
# Self destruct!
functions -e deactivate
end
end
# unset irrelevant variables
deactivate nondestructive
set -gx VIRTUAL_ENV "/home/marcin/PycharmProjects/SI_Projekt/venv"
set -gx _OLD_VIRTUAL_PATH $PATH
set -gx PATH "$VIRTUAL_ENV/bin" $PATH
# unset PYTHONHOME if set
if set -q PYTHONHOME
set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
set -e PYTHONHOME
end
if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
# fish uses a function instead of an env var to generate the prompt.
# save the current fish_prompt function as the function _old_fish_prompt
functions -c fish_prompt _old_fish_prompt
# with the original prompt function renamed, we can override with our own.
function fish_prompt
# Save the return status of the last command
set -l old_status $status
# Prompt override?
if test -n "(venv) "
printf "%s%s" "(venv) " (set_color normal)
else
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
if test $_checkbase = "__"
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
else
printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
end
end
# Restore the return status of the previous command.
echo "exit $old_status" | .
_old_fish_prompt
end
set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
end

12
venv/bin/easy_install
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# EASY-INSTALL-ENTRY-SCRIPT: 'setuptools==40.8.0','console_scripts','easy_install'
__requires__ = 'setuptools==40.8.0'
import re
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(
load_entry_point('setuptools==40.8.0', 'console_scripts', 'easy_install')()
)

12
venv/bin/easy_install-3.7
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# EASY-INSTALL-ENTRY-SCRIPT: 'setuptools==40.8.0','console_scripts','easy_install-3.7'
__requires__ = 'setuptools==40.8.0'
import re
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(
load_entry_point('setuptools==40.8.0', 'console_scripts', 'easy_install-3.7')()
)

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venv/bin/f2py
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from numpy.f2py.f2py2e import main
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(main())

10
venv/bin/f2py3
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from numpy.f2py.f2py2e import main
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(main())

10
venv/bin/f2py3.7
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from numpy.f2py.f2py2e import main
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(main())

12
venv/bin/pip
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip'
__requires__ = 'pip==19.0.3'
import re
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(
load_entry_point('pip==19.0.3', 'console_scripts', 'pip')()
)

12
venv/bin/pip3
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip3'
__requires__ = 'pip==19.0.3'
import re
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(
load_entry_point('pip==19.0.3', 'console_scripts', 'pip3')()
)

12
venv/bin/pip3.7
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#!/home/marcin/PycharmProjects/SI_Projekt/venv/bin/python
# EASY-INSTALL-ENTRY-SCRIPT: 'pip==19.0.3','console_scripts','pip3.7'
__requires__ = 'pip==19.0.3'
import re
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(
load_entry_point('pip==19.0.3', 'console_scripts', 'pip3.7')()
)

1
venv/bin/python
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python3.7

1
venv/bin/python3
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python3.7

1
venv/bin/python3.7
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/usr/bin/python3.7

27
venv/include/site/python3.7/pygame/_camera.h
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/*
pygame - Python Game Library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _CAMERA_H
#define _CAMERA_H
#include "_pygame.h"
#include "camera.h"
#endif

864
venv/include/site/python3.7/pygame/_pygame.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef _PYGAME_H
#define _PYGAME_H
/** This header file includes all the definitions for the
** base pygame extensions. This header only requires
** SDL and Python includes. The reason for functions
** prototyped with #define's is to allow for maximum
** python portability. It also uses python as the
** runtime linker, which allows for late binding. For more
** information on this style of development, read the Python
** docs on this subject.
** http://www.python.org/doc/current/ext/using-cobjects.html
**
** If using this to build your own derived extensions,
** you'll see that the functions available here are mainly
** used to help convert between python objects and SDL objects.
** Since this library doesn't add a lot of functionality to
** the SDL libarary, it doesn't need to offer a lot either.
**
** When initializing your extension module, you must manually
** import the modules you want to use. (this is the part about
** using python as the runtime linker). Each module has its
** own import_xxx() routine. You need to perform this import
** after you have initialized your own module, and before
** you call any routines from that module. Since every module
** in pygame does this, there are plenty of examples.
**
** The base module does include some useful conversion routines
** that you are free to use in your own extension.
**
** When making changes, it is very important to keep the
** FIRSTSLOT and NUMSLOT constants up to date for each
** section. Also be sure not to overlap any of the slots.
** When you do make a mistake with this, it will result
** is a dereferenced NULL pointer that is easier to diagnose
** than it could be :]
**/
#if defined(HAVE_SNPRINTF) /* defined in python.h (pyerrors.h) and SDL.h \
(SDL_config.h) */
#undef HAVE_SNPRINTF /* remove GCC redefine warning */
#endif
// This must be before all else
#if defined(__SYMBIAN32__) && defined(OPENC)
#include <sys/types.h>
#if defined(__WINS__)
void *
_alloca(size_t size);
#define alloca _alloca
#endif
#endif
#define PG_STRINGIZE_HELPER(x) #x
#define PG_STRINGIZE(x) PG_STRINGIZE_HELPER(x)
#define PG_WARN(desc) message(__FILE__ "(" PG_STRINGIZE(__LINE__) "): WARNING: " #desc)
/* This is unconditionally defined in Python.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <Python.h>
/* the version macros are defined since version 1.9.5 */
#define PG_MAJOR_VERSION 1
#define PG_MINOR_VERSION 9
#define PG_PATCH_VERSION 6
#define PG_VERSIONNUM(MAJOR, MINOR, PATCH) (1000*(MAJOR) + 100*(MINOR) + (PATCH))
#define PG_VERSION_ATLEAST(MAJOR, MINOR, PATCH) \
(PG_VERSIONNUM(PG_MAJOR_VERSION, PG_MINOR_VERSION, PG_PATCH_VERSION) >= \
PG_VERSIONNUM(MAJOR, MINOR, PATCH))
/* Cobjects vanish in Python 3.2; so we will code as though we use capsules */
#if defined(Py_CAPSULE_H)
#define PG_HAVE_CAPSULE 1
#else
#define PG_HAVE_CAPSULE 0
#endif
#if defined(Py_COBJECT_H)
#define PG_HAVE_COBJECT 1
#else
#define PG_HAVE_COBJECT 0
#endif
#if !PG_HAVE_CAPSULE
#define PyCapsule_New(ptr, n, dfn) PyCObject_FromVoidPtr(ptr, dfn)
#define PyCapsule_GetPointer(obj, n) PyCObject_AsVoidPtr(obj)
#define PyCapsule_CheckExact(obj) PyCObject_Check(obj)
#endif
/* Pygame uses Py_buffer (PEP 3118) to exchange array information internally;
* define here as needed.
*/
#if !defined(PyBUF_SIMPLE)
typedef struct bufferinfo {
void *buf;
PyObject *obj;
Py_ssize_t len;
Py_ssize_t itemsize;
int readonly;
int ndim;
char *format;
Py_ssize_t *shape;
Py_ssize_t *strides;
Py_ssize_t *suboffsets;
void *internal;
} Py_buffer;
/* Flags for getting buffers */
#define PyBUF_SIMPLE 0
#define PyBUF_WRITABLE 0x0001
/* we used to include an E, backwards compatible alias */
#define PyBUF_WRITEABLE PyBUF_WRITABLE
#define PyBUF_FORMAT 0x0004
#define PyBUF_ND 0x0008
#define PyBUF_STRIDES (0x0010 | PyBUF_ND)
#define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
#define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
#define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
#define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
#define PyBUF_CONTIG (PyBUF_ND | PyBUF_WRITABLE)
#define PyBUF_CONTIG_RO (PyBUF_ND)
#define PyBUF_STRIDED (PyBUF_STRIDES | PyBUF_WRITABLE)
#define PyBUF_STRIDED_RO (PyBUF_STRIDES)
#define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_WRITABLE | PyBUF_FORMAT)
#define PyBUF_RECORDS_RO (PyBUF_STRIDES | PyBUF_FORMAT)
#define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_WRITABLE | PyBUF_FORMAT)
#define PyBUF_FULL_RO (PyBUF_INDIRECT | PyBUF_FORMAT)
#define PyBUF_READ 0x100
#define PyBUF_WRITE 0x200
#define PyBUF_SHADOW 0x400
typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
typedef void (*releasebufferproc)(Py_buffer *);
#endif /* #if !defined(PyBUF_SIMPLE) */
/* Flag indicating a pg_buffer; used for assertions within callbacks */
#ifndef NDEBUG
#define PyBUF_PYGAME 0x4000
#endif
#define PyBUF_HAS_FLAG(f, F) (((f) & (F)) == (F))
/* Array information exchange struct C type; inherits from Py_buffer
*
* Pygame uses its own Py_buffer derived C struct as an internal representation
* of an imported array buffer. The extended Py_buffer allows for a
* per-instance release callback,
*/
typedef void (*pybuffer_releaseproc)(Py_buffer *);
typedef struct pg_bufferinfo_s {
Py_buffer view;
PyObject *consumer; /* Input: Borrowed reference */
pybuffer_releaseproc release_buffer;
} pg_buffer;
/* Operating system specific adjustments
*/
// No signal()
#if defined(__SYMBIAN32__) && defined(HAVE_SIGNAL_H)
#undef HAVE_SIGNAL_H
#endif
#if defined(HAVE_SNPRINTF)
#undef HAVE_SNPRINTF
#endif
#ifdef MS_WIN32 /*Python gives us MS_WIN32, SDL needs just WIN32*/
#ifndef WIN32
#define WIN32
#endif
#endif
/// Prefix when initializing module
#define MODPREFIX ""
/// Prefix when importing module
#define IMPPREFIX "pygame."
#ifdef __SYMBIAN32__
#undef MODPREFIX
#undef IMPPREFIX
// On Symbian there is no pygame package. The extensions are built-in or in
// sys\bin.
#define MODPREFIX "pygame_"
#define IMPPREFIX "pygame_"
#endif
#include <SDL.h>
/* Pygame's SDL version macros:
* IS_SDLv1 is 1 if SDL 1.x.x, 0 otherwise
* IS_SDLv2 is 1 if at least SDL 2.0.0, 0 otherwise
*/
#if (SDL_VERSION_ATLEAST(2, 0, 0))
#define IS_SDLv1 0
#define IS_SDLv2 1
#else
#define IS_SDLv1 1
#define IS_SDLv2 0
#endif
/*#if IS_SDLv1 && PG_MAJOR_VERSION >= 2
#error pygame 2 requires SDL 2
#endif*/
#if IS_SDLv2
/* SDL 1.2 constants removed from SDL 2 */
typedef enum {
SDL_HWSURFACE = 0,
SDL_RESIZABLE = SDL_WINDOW_RESIZABLE,
SDL_ASYNCBLIT = 0,
SDL_OPENGL = SDL_WINDOW_OPENGL,
SDL_OPENGLBLIT = 0,
SDL_ANYFORMAT = 0,
SDL_HWPALETTE = 0,
SDL_DOUBLEBUF = 0,
SDL_FULLSCREEN = SDL_WINDOW_FULLSCREEN,
SDL_HWACCEL = 0,
SDL_SRCCOLORKEY = 0,
SDL_RLEACCELOK = 0,
SDL_SRCALPHA = 0,
SDL_NOFRAME = SDL_WINDOW_BORDERLESS,
SDL_GL_SWAP_CONTROL = 0,
TIMER_RESOLUTION = 0
} PygameVideoFlags;
/* the wheel button constants were removed from SDL 2 */
typedef enum {
PGM_BUTTON_LEFT = SDL_BUTTON_LEFT,
PGM_BUTTON_RIGHT = SDL_BUTTON_RIGHT,
PGM_BUTTON_MIDDLE = SDL_BUTTON_MIDDLE,
PGM_BUTTON_WHEELUP = 4,
PGM_BUTTON_WHEELDOWN = 5,
PGM_BUTTON_X1 = SDL_BUTTON_X1 + 2,
PGM_BUTTON_X2 = SDL_BUTTON_X2 + 2,
PGM_BUTTON_KEEP = 0x80
} PygameMouseFlags;
typedef enum {
SDL_NOEVENT = 0,
/* SDL 1.2 allowed for 8 user defined events. */
SDL_NUMEVENTS = SDL_USEREVENT + 8,
SDL_ACTIVEEVENT = SDL_NUMEVENTS,
PGE_EVENTBEGIN = SDL_NUMEVENTS,
SDL_VIDEORESIZE,
SDL_VIDEOEXPOSE,
PGE_KEYREPEAT,
PGE_EVENTEND
} PygameEventCode;
#define PGE_NUMEVENTS (PGE_EVENTEND - PGE_EVENTBEGIN)
typedef enum {
SDL_APPFOCUSMOUSE,
SDL_APPINPUTFOCUS,
SDL_APPACTIVE
} PygameAppCode;
/* Surface flags: based on SDL 1.2 flags */
typedef enum {
PGS_SWSURFACE = 0x00000000,
PGS_HWSURFACE = 0x00000001,
PGS_ASYNCBLIT = 0x00000004,
PGS_ANYFORMAT = 0x10000000,
PGS_HWPALETTE = 0x20000000,
PGS_DOUBLEBUF = 0x40000000,
PGS_FULLSCREEN = 0x80000000,
PGS_OPENGL = 0x00000002,
PGS_OPENGLBLIT = 0x0000000A,
PGS_RESIZABLE = 0x00000010,
PGS_NOFRAME = 0x00000020,
PGS_SHOWN = 0x00000040, /* Added from SDL 2 */
PGS_HIDDEN = 0x00000080, /* Added from SDL 2 */
PGS_HWACCEL = 0x00000100,
PGS_SRCCOLORKEY = 0x00001000,
PGS_RLEACCELOK = 0x00002000,
PGS_RLEACCEL = 0x00004000,
PGS_SRCALPHA = 0x00010000,
PGS_PREALLOC = 0x01000000
} PygameSurfaceFlags;
typedef struct {
Uint32 hw_available:1;
Uint32 wm_available:1;
Uint32 blit_hw:1;
Uint32 blit_hw_CC:1;
Uint32 blit_hw_A:1;
Uint32 blit_sw:1;
Uint32 blit_sw_CC:1;
Uint32 blit_sw_A:1;
Uint32 blit_fill:1;
Uint32 video_mem;
SDL_PixelFormat *vfmt;
SDL_PixelFormat vfmt_data;
int current_w;
int current_h;
} pg_VideoInfo;
#endif /* IS_SDLv2 */
/* macros used throughout the source */
#define RAISE(x, y) (PyErr_SetString((x), (y)), (PyObject *)NULL)
#ifdef WITH_THREAD
#define PG_CHECK_THREADS() (1)
#else /* ~WITH_THREAD */
#define PG_CHECK_THREADS() \
(RAISE(PyExc_NotImplementedError, \
"Python built without thread support"))
#endif /* ~WITH_THREAD */
#define PyType_Init(x) (((x).ob_type) = &PyType_Type)
#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
#endif
/* test sdl initializations */
#define VIDEO_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_VIDEO)) \
return RAISE(pgExc_SDLError, "video system not initialized")
#define CDROM_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_CDROM)) \
return RAISE(pgExc_SDLError, "cdrom system not initialized")
#define JOYSTICK_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_JOYSTICK)) \
return RAISE(pgExc_SDLError, "joystick system not initialized")
/* BASE */
#define VIEW_CONTIGUOUS 1
#define VIEW_C_ORDER 2
#define VIEW_F_ORDER 4
#define PYGAMEAPI_BASE_FIRSTSLOT 0
#if IS_SDLv1
#define PYGAMEAPI_BASE_NUMSLOTS 19
#else /* IS_SDLv2 */
#define PYGAMEAPI_BASE_NUMSLOTS 23
#endif /* IS_SDLv2 */
#ifndef PYGAMEAPI_BASE_INTERNAL
#define pgExc_SDLError ((PyObject *)PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT])
#define pg_RegisterQuit \
(*(void (*)(void (*)(void)))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 1])
#define pg_IntFromObj \
(*(int (*)(PyObject *, int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 2])
#define pg_IntFromObjIndex \
(*(int (*)(PyObject *, int, \
int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 3])
#define pg_TwoIntsFromObj \
(*(int (*)(PyObject *, int *, \
int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 4])
#define pg_FloatFromObj \
(*(int (*)(PyObject *, float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 5])
#define pg_FloatFromObjIndex \
(*(int (*)(PyObject *, int, \
float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 6])
#define pg_TwoFloatsFromObj \
(*(int (*)(PyObject *, float *, \
float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 7])
#define pg_UintFromObj \
(*(int (*)(PyObject *, \
Uint32 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 8])
#define pg_UintFromObjIndex \
(*(int (*)(PyObject *, int, \
Uint32 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 9])
#define pgVideo_AutoQuit \
(*(void (*)(void))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 10])
#define pgVideo_AutoInit \
(*(int (*)(void))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 11])
#define pg_RGBAFromObj \
(*(int (*)(PyObject *, \
Uint8 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 12])
#define pgBuffer_AsArrayInterface \
(*(PyObject * (*)(Py_buffer *)) \
PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 13])
#define pgBuffer_AsArrayStruct \
(*(PyObject * (*)(Py_buffer *)) \
PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 14])
#define pgObject_GetBuffer \
(*(int (*)(PyObject *, pg_buffer *, \
int))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 15])
#define pgBuffer_Release \
(*(void (*)(pg_buffer *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 16])
#define pgDict_AsBuffer \
(*(int (*)(pg_buffer *, PyObject *, \
int))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 17])
#define pgExc_BufferError \
((PyObject *)PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 18])
#if IS_SDLv2
#define pg_GetDefaultWindow \
(*(SDL_Window * (*)(void)) PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 19])
#define pg_SetDefaultWindow \
(*(void (*)(SDL_Window *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 20])
#define pg_GetDefaultWindowSurface \
(*(PyObject * (*)(void)) PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 21])
#define pg_SetDefaultWindowSurface \
(*(void (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 22])
#endif /* IS_SDLv2 */
#define import_pygame_base() IMPORT_PYGAME_MODULE(base, BASE)
#endif
/* RECT */
#define PYGAMEAPI_RECT_FIRSTSLOT \
(PYGAMEAPI_BASE_FIRSTSLOT + PYGAMEAPI_BASE_NUMSLOTS)
#define PYGAMEAPI_RECT_NUMSLOTS 4
#if IS_SDLv1
typedef struct {
int x, y;
int w, h;
} GAME_Rect;
#else
typedef SDL_Rect GAME_Rect;
#endif
typedef struct {
PyObject_HEAD GAME_Rect r;
PyObject *weakreflist;
} pgRectObject;
#define pgRect_AsRect(x) (((pgRectObject *)x)->r)
#ifndef PYGAMEAPI_RECT_INTERNAL
#define pgRect_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 0])
#define pgRect_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 0])
#define pgRect_New \
(*(PyObject * (*)(SDL_Rect *)) PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 1])
#define pgRect_New4 \
(*(PyObject * (*)(int, int, int, int)) \
PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 2])
#define pgRect_FromObject \
(*(GAME_Rect * (*)(PyObject *, GAME_Rect *)) \
PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 3])
#define import_pygame_rect() IMPORT_PYGAME_MODULE(rect, RECT)
#endif
/* CDROM */
#define PYGAMEAPI_CDROM_FIRSTSLOT \
(PYGAMEAPI_RECT_FIRSTSLOT + PYGAMEAPI_RECT_NUMSLOTS)
#define PYGAMEAPI_CDROM_NUMSLOTS 2
typedef struct {
PyObject_HEAD int id;
} pgCDObject;
#define pgCD_AsID(x) (((pgCDObject *)x)->id)
#ifndef PYGAMEAPI_CDROM_INTERNAL
#define pgCD_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 0])
#define pgCD_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 0])
#define pgCD_New \
(*(PyObject * (*)(int)) PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 1])
#define import_pygame_cd() IMPORT_PYGAME_MODULE(cdrom, CDROM)
#endif
/* JOYSTICK */
#define PYGAMEAPI_JOYSTICK_FIRSTSLOT \
(PYGAMEAPI_CDROM_FIRSTSLOT + PYGAMEAPI_CDROM_NUMSLOTS)
#define PYGAMEAPI_JOYSTICK_NUMSLOTS 2
typedef struct {
PyObject_HEAD int id;
} pgJoystickObject;
#define pgJoystick_AsID(x) (((pgJoystickObject *)x)->id)
#ifndef PYGAMEAPI_JOYSTICK_INTERNAL
#define pgJoystick_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 0])
#define pgJoystick_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 0])
#define pgJoystick_New \
(*(PyObject * (*)(int)) PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 1])
#define import_pygame_joystick() IMPORT_PYGAME_MODULE(joystick, JOYSTICK)
#endif
/* DISPLAY */
#define PYGAMEAPI_DISPLAY_FIRSTSLOT \
(PYGAMEAPI_JOYSTICK_FIRSTSLOT + PYGAMEAPI_JOYSTICK_NUMSLOTS)
#define PYGAMEAPI_DISPLAY_NUMSLOTS 2
typedef struct {
#if IS_SDLv1
PyObject_HEAD SDL_VideoInfo info;
#else
PyObject_HEAD pg_VideoInfo info;
#endif
} pgVidInfoObject;
#define pgVidInfo_AsVidInfo(x) (((pgVidInfoObject *)x)->info)
#ifndef PYGAMEAPI_DISPLAY_INTERNAL
#define pgVidInfo_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 0])
#define pgVidInfo_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 0])
#if IS_SDLv1
#define pgVidInfo_New \
(*(PyObject * (*)(SDL_VideoInfo *)) \
PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 1])
#else
#define pgVidInfo_New \
(*(PyObject * (*)(pg_VideoInfo *)) \
PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 1])
#endif
#define import_pygame_display() IMPORT_PYGAME_MODULE(display, DISPLAY)
#endif
/* SURFACE */
#define PYGAMEAPI_SURFACE_FIRSTSLOT \
(PYGAMEAPI_DISPLAY_FIRSTSLOT + PYGAMEAPI_DISPLAY_NUMSLOTS)
#define PYGAMEAPI_SURFACE_NUMSLOTS 3
typedef struct {
PyObject_HEAD SDL_Surface *surf;
#if IS_SDLv2
int owner;
#endif /* IS_SDLv2 */
struct pgSubSurface_Data *subsurface; /*ptr to subsurface data (if a
* subsurface)*/
PyObject *weakreflist;
PyObject *locklist;
PyObject *dependency;
} pgSurfaceObject;
#define pgSurface_AsSurface(x) (((pgSurfaceObject *)x)->surf)
#ifndef PYGAMEAPI_SURFACE_INTERNAL
#define pgSurface_Check(x) \
(PyObject_IsInstance((x), \
(PyObject *)PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 0]))
#define pgSurface_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 0])
#if IS_SDLv1
#define pgSurface_New \
(*(PyObject * (*)(SDL_Surface *)) \
PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 1])
#else /* IS_SDLv2 */
#define pgSurface_New2 \
(*(PyObject * (*)(SDL_Surface *, int)) \
PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 1])
#endif /* IS_SDLv2 */
#define pgSurface_Blit \
(*(int (*)(PyObject *, PyObject *, SDL_Rect *, SDL_Rect *, \
int))PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 2])
#define import_pygame_surface() \
do { \
IMPORT_PYGAME_MODULE(surface, SURFACE); \
if (PyErr_Occurred() != NULL) \
break; \
IMPORT_PYGAME_MODULE(surflock, SURFLOCK); \
} while (0)
#if IS_SDLv2
#define pgSurface_New(surface) pgSurface_New2((surface), 1)
#define pgSurface_NewNoOwn(surface) pgSurface_New2((surface), 0)
#endif /* IS_SDLv2 */
#endif
/* SURFLOCK */ /*auto import/init by surface*/
#define PYGAMEAPI_SURFLOCK_FIRSTSLOT \
(PYGAMEAPI_SURFACE_FIRSTSLOT + PYGAMEAPI_SURFACE_NUMSLOTS)
#define PYGAMEAPI_SURFLOCK_NUMSLOTS 8
struct pgSubSurface_Data {
PyObject *owner;
int pixeloffset;
int offsetx, offsety;
};
typedef struct {
PyObject_HEAD PyObject *surface;
PyObject *lockobj;
PyObject *weakrefs;
} pgLifetimeLockObject;
#ifndef PYGAMEAPI_SURFLOCK_INTERNAL
#define pgLifetimeLock_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 0])
#define pgSurface_Prep(x) \
if (((pgSurfaceObject *)x)->subsurface) \
(*(*(void (*)( \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 1]))(x)
#define pgSurface_Unprep(x) \
if (((pgSurfaceObject *)x)->subsurface) \
(*(*(void (*)( \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 2]))(x)
#define pgSurface_Lock \
(*(int (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 3])
#define pgSurface_Unlock \
(*(int (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 4])
#define pgSurface_LockBy \
(*(int (*)(PyObject *, \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 5])
#define pgSurface_UnlockBy \
(*(int (*)(PyObject *, \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 6])
#define pgSurface_LockLifetime \
(*(PyObject * (*)(PyObject *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 7])
#endif
/* EVENT */
#define PYGAMEAPI_EVENT_FIRSTSLOT \
(PYGAMEAPI_SURFLOCK_FIRSTSLOT + PYGAMEAPI_SURFLOCK_NUMSLOTS)
#if IS_SDLv1
#define PYGAMEAPI_EVENT_NUMSLOTS 4
#else /* IS_SDLv2 */
#define PYGAMEAPI_EVENT_NUMSLOTS 6
#endif /* IS_SDLv2 */
typedef struct {
PyObject_HEAD int type;
PyObject *dict;
} pgEventObject;
#ifndef PYGAMEAPI_EVENT_INTERNAL
#define pgEvent_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 0])
#define pgEvent_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 0])
#define pgEvent_New \
(*(PyObject * (*)(SDL_Event *)) \
PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 1])
#define pgEvent_New2 \
(*(PyObject * (*)(int, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 2])
#define pgEvent_FillUserEvent \
(*(int (*)(pgEventObject *, \
SDL_Event *))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 3])
#if IS_SDLv2
#define pg_EnableKeyRepeat \
(*(int (*)(int, int))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 4])
#define pg_GetKeyRepeat \
(*(void (*)(int *, int *))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 5])
#endif /* IS_SDLv2 */
#define import_pygame_event() IMPORT_PYGAME_MODULE(event, EVENT)
#endif
/* RWOBJECT */
/*the rwobject are only needed for C side work, not accessable from python*/
#define PYGAMEAPI_RWOBJECT_FIRSTSLOT \
(PYGAMEAPI_EVENT_FIRSTSLOT + PYGAMEAPI_EVENT_NUMSLOTS)
#define PYGAMEAPI_RWOBJECT_NUMSLOTS 6
#ifndef PYGAMEAPI_RWOBJECT_INTERNAL
#define pgRWops_FromObject \
(*(SDL_RWops * (*)(PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 0])
#define pgRWops_IsFileObject \
(*(int (*)(SDL_RWops *))PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 1])
#define pg_EncodeFilePath \
(*(PyObject * (*)(PyObject *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 2])
#define pg_EncodeString \
(*(PyObject * (*)(PyObject *, const char *, const char *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 3])
#define pgRWops_FromFileObject \
(*(SDL_RWops * (*)(PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 4])
#define pgRWops_ReleaseObject \
(*(int (*)(SDL_RWops *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 5])
#define import_pygame_rwobject() IMPORT_PYGAME_MODULE(rwobject, RWOBJECT)
#endif
/* PixelArray */
#define PYGAMEAPI_PIXELARRAY_FIRSTSLOT \
(PYGAMEAPI_RWOBJECT_FIRSTSLOT + PYGAMEAPI_RWOBJECT_NUMSLOTS)
#define PYGAMEAPI_PIXELARRAY_NUMSLOTS 2
#ifndef PYGAMEAPI_PIXELARRAY_INTERNAL
#define PyPixelArray_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_PIXELARRAY_FIRSTSLOT + 0])
#define PyPixelArray_New \
(*(PyObject * (*)) PyGAME_C_API[PYGAMEAPI_PIXELARRAY_FIRSTSLOT + 1])
#define import_pygame_pixelarray() IMPORT_PYGAME_MODULE(pixelarray, PIXELARRAY)
#endif /* PYGAMEAPI_PIXELARRAY_INTERNAL */
/* Color */
#define PYGAMEAPI_COLOR_FIRSTSLOT \
(PYGAMEAPI_PIXELARRAY_FIRSTSLOT + PYGAMEAPI_PIXELARRAY_NUMSLOTS)
#define PYGAMEAPI_COLOR_NUMSLOTS 4
#ifndef PYGAMEAPI_COLOR_INTERNAL
#define pgColor_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 0])
#define pgColor_Type (*(PyObject *)PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT])
#define pgColor_New \
(*(PyObject * (*)(Uint8 *)) PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 1])
#define pgColor_NewLength \
(*(PyObject * (*)(Uint8 *, Uint8)) \
PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 3])
#define pg_RGBAFromColorObj \
(*(int (*)(PyObject *, \
Uint8 *))PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 2])
#define import_pygame_color() IMPORT_PYGAME_MODULE(color, COLOR)
#endif /* PYGAMEAPI_COLOR_INTERNAL */
/* Math */
#define PYGAMEAPI_MATH_FIRSTSLOT \
(PYGAMEAPI_COLOR_FIRSTSLOT + PYGAMEAPI_COLOR_NUMSLOTS)
#define PYGAMEAPI_MATH_NUMSLOTS 2
#ifndef PYGAMEAPI_MATH_INTERNAL
#define pgVector2_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 0])
#define pgVector3_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 1])
/*
#define pgVector2_New \
(*(PyObject*(*)) PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 1])
*/
#define import_pygame_math() IMPORT_PYGAME_MODULE(math, MATH)
#endif /* PYGAMEAPI_MATH_INTERNAL */
#define PG_CAPSULE_NAME(m) (IMPPREFIX m "." PYGAMEAPI_LOCAL_ENTRY)
#define _IMPORT_PYGAME_MODULE(module, MODULE, api_root) \
{ \
PyObject *_module = PyImport_ImportModule(IMPPREFIX #module); \
\
if (_module != NULL) { \
PyObject *_c_api = \
PyObject_GetAttrString(_module, PYGAMEAPI_LOCAL_ENTRY); \
\
Py_DECREF(_module); \
if (_c_api != NULL && PyCapsule_CheckExact(_c_api)) { \
void **localptr = (void **)PyCapsule_GetPointer( \
_c_api, PG_CAPSULE_NAME(#module)); \
\
if (localptr != NULL) { \
memcpy(api_root + PYGAMEAPI_##MODULE##_FIRSTSLOT, \
localptr, \
sizeof(void **) * PYGAMEAPI_##MODULE##_NUMSLOTS); \
} \
} \
Py_XDECREF(_c_api); \
} \
}
#ifndef NO_PYGAME_C_API
#define IMPORT_PYGAME_MODULE(module, MODULE) \
_IMPORT_PYGAME_MODULE(module, MODULE, PyGAME_C_API)
#define PYGAMEAPI_TOTALSLOTS \
(PYGAMEAPI_MATH_FIRSTSLOT + PYGAMEAPI_MATH_NUMSLOTS)
#ifdef PYGAME_H
void *PyGAME_C_API[PYGAMEAPI_TOTALSLOTS] = {NULL};
#else
extern void *PyGAME_C_API[PYGAMEAPI_TOTALSLOTS];
#endif
#endif
#if PG_HAVE_CAPSULE
#define encapsulate_api(ptr, module) \
PyCapsule_New(ptr, PG_CAPSULE_NAME(module), NULL)
#else
#define encapsulate_api(ptr, module) PyCObject_FromVoidPtr(ptr, NULL)
#endif
#ifndef PG_INLINE
#if defined(__clang__)
#define PG_INLINE __inline__ __attribute__((__unused__))
#elif defined(__GNUC__)
#define PG_INLINE __inline__
#elif defined(_MSC_VER)
#define PG_INLINE __inline
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define PG_INLINE inline
#else
#define PG_INLINE
#endif
#endif
/*last platform compiler stuff*/
#if defined(macintosh) && defined(__MWERKS__) || defined(__SYMBIAN32__)
#define PYGAME_EXPORT __declspec(export)
#else
#define PYGAME_EXPORT
#endif
#endif /* PYGAME_H */

31
venv/include/site/python3.7/pygame/_surface.h
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@ -1,31 +0,0 @@
/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Marcus von Appen
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef _SURFACE_H
#define _SURFACE_H
#include "_pygame.h"
#include "surface.h"
#endif

146
venv/include/site/python3.7/pygame/bitmask.h
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/*
Bitmask 1.7 - A pixel-perfect collision detection library.
Copyright (C) 2002-2005 Ulf Ekstrom except for the bitcount
function which is copyright (C) Donald W. Gillies, 1992.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef BITMASK_H
#define BITMASK_H
#ifdef __cplusplus
extern "C" {
#endif
#include <limits.h>
/* Define INLINE for different compilers. If your compiler does not
support inlining then there might be a performance hit in
bitmask_overlap_area().
*/
#ifndef INLINE
# ifdef __GNUC__
# define INLINE inline
# else
# ifdef _MSC_VER
# define INLINE __inline
# else
# define INLINE
# endif
# endif
#endif
#define BITMASK_W unsigned long int
#define BITMASK_W_LEN (sizeof(BITMASK_W)*CHAR_BIT)
#define BITMASK_W_MASK (BITMASK_W_LEN - 1)
#define BITMASK_N(n) ((BITMASK_W)1 << (n))
typedef struct bitmask
{
int w,h;
BITMASK_W bits[1];
} bitmask_t;
/* Creates a bitmask of width w and height h, where
w and h must both be greater than or equal to 0.
The mask is automatically cleared when created.
*/
bitmask_t *bitmask_create(int w, int h);
/* Frees all the memory allocated by bitmask_create for m. */
void bitmask_free(bitmask_t *m);
/* Clears all bits in the mask */
void bitmask_clear(bitmask_t *m);
/* Sets all bits in the mask */
void bitmask_fill(bitmask_t *m);
/* Flips all bits in the mask */
void bitmask_invert(bitmask_t *m);
/* Counts the bits in the mask */
unsigned int bitmask_count(bitmask_t *m);
/* Returns nonzero if the bit at (x,y) is set. Coordinates start at
(0,0) */
static INLINE int bitmask_getbit(const bitmask_t *m, int x, int y)
{
return (m->bits[x/BITMASK_W_LEN*m->h + y] & BITMASK_N(x & BITMASK_W_MASK)) != 0;
}
/* Sets the bit at (x,y) */
static INLINE void bitmask_setbit(bitmask_t *m, int x, int y)
{
m->bits[x/BITMASK_W_LEN*m->h + y] |= BITMASK_N(x & BITMASK_W_MASK);
}
/* Clears the bit at (x,y) */
static INLINE void bitmask_clearbit(bitmask_t *m, int x, int y)
{
m->bits[x/BITMASK_W_LEN*m->h + y] &= ~BITMASK_N(x & BITMASK_W_MASK);
}
/* Returns nonzero if the masks overlap with the given offset.
The overlap tests uses the following offsets (which may be negative):
+----+----------..
|A | yoffset
| +-+----------..
+--|B
|xoffset
| |
: :
*/
int bitmask_overlap(const bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Like bitmask_overlap(), but will also give a point of intersection.
x and y are given in the coordinates of mask a, and are untouched
if there is no overlap. */
int bitmask_overlap_pos(const bitmask_t *a, const bitmask_t *b,
int xoffset, int yoffset, int *x, int *y);
/* Returns the number of overlapping 'pixels' */
int bitmask_overlap_area(const bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Fills a mask with the overlap of two other masks. A bitwise AND. */
void bitmask_overlap_mask (const bitmask_t *a, const bitmask_t *b, bitmask_t *c, int xoffset, int yoffset);
/* Draws mask b onto mask a (bitwise OR). Can be used to compose large
(game background?) mask from several submasks, which may speed up
the testing. */
void bitmask_draw(bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
void bitmask_erase(bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Return a new scaled bitmask, with dimensions w*h. The quality of the
scaling may not be perfect for all circumstances, but it should
be reasonable. If either w or h is 0 a clear 1x1 mask is returned. */
bitmask_t *bitmask_scale(const bitmask_t *m, int w, int h);
/* Convolve b into a, drawing the output into o, shifted by offset. If offset
* is 0, then the (x,y) bit will be set if and only if
* bitmask_overlap(a, b, x - b->w - 1, y - b->h - 1) returns true.
*
* Modifies bits o[xoffset ... xoffset + a->w + b->w - 1)
* [yoffset ... yoffset + a->h + b->h - 1). */
void bitmask_convolve(const bitmask_t *a, const bitmask_t *b, bitmask_t *o, int xoffset, int yoffset);
#ifdef __cplusplus
} /* End of extern "C" { */
#endif
#endif

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/*
pygame - Python Game Library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pygame.h"
#include "doc/camera_doc.h"
#if defined(__unix__)
#include <structmember.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h> /* low-level i/o */
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
/* on freebsd there is no asm/types */
#ifdef linux
#include <asm/types.h> /* for videodev2.h */
#endif
#include <linux/videodev2.h>
#elif defined(__APPLE__)
#include <AvailabilityMacros.h>
/* We support OSX 10.6 and below. */
#if __MAC_OS_X_VERSION_MAX_ALLOWED <= 1060
#define PYGAME_MAC_CAMERA_OLD 1
#endif
#endif
#if defined(PYGAME_MAC_CAMERA_OLD)
#include <QuickTime/QuickTime.h>
#include <QuickTime/Movies.h>
#include <QuickTime/ImageCompression.h>
#endif
/* some constants used which are not defined on non-v4l machines. */
#ifndef V4L2_PIX_FMT_RGB24
#define V4L2_PIX_FMT_RGB24 'RGB3'
#endif
#ifndef V4L2_PIX_FMT_RGB444
#define V4L2_PIX_FMT_RGB444 'R444'
#endif
#ifndef V4L2_PIX_FMT_YUYV
#define V4L2_PIX_FMT_YUYV 'YUYV'
#endif
#define CLEAR(x) memset (&(x), 0, sizeof (x))
#define SAT(c) if (c & (~255)) { if (c < 0) c = 0; else c = 255; }
#define SAT2(c) ((c) & (~255) ? ((c) < 0 ? 0 : 255) : (c))
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define RGB_OUT 1
#define YUV_OUT 2
#define HSV_OUT 4
#define CAM_V4L 1 /* deprecated. the incomplete support in pygame was removed */
#define CAM_V4L2 2
struct buffer {
void * start;
size_t length;
};
#if defined(__unix__)
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer* buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#elif defined(PYGAME_MAC_CAMERA_OLD)
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name; /* unieke name of the device */
OSType pixelformat;
unsigned int color_out;
SeqGrabComponent component; /* A type used by the Sequence Grabber API */
SGChannel channel; /* Channel of the Sequence Grabber */
GWorldPtr gworld; /* Pointer to the struct that holds the data of the captured image */
Rect boundsRect; /* bounds of the image frame */
long size; /* size of the image in our buffer to draw */
int hflip;
int vflip;
short depth;
struct buffer pixels;
//struct buffer tmp_pixels /* place where the flipped image in temporarly stored if hflip or vflip is true.*/
} pgCameraObject;
#else
/* generic definition.
*/
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer* buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#endif
/* internal functions for colorspace conversion */
void colorspace (SDL_Surface *src, SDL_Surface *dst, int cspace);
void rgb24_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void rgb444_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void rgb_to_yuv (const void* src, void* dst, int length,
unsigned long source, SDL_PixelFormat* format);
void rgb_to_hsv (const void* src, void* dst, int length,
unsigned long source, SDL_PixelFormat* format);
void yuyv_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void yuyv_to_yuv (const void* src, void* dst, int length, SDL_PixelFormat* format);
void uyvy_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void uyvy_to_yuv (const void* src, void* dst, int length, SDL_PixelFormat* format);
void sbggr8_to_rgb (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
void yuv420_to_rgb (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
void yuv420_to_yuv (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
#if defined(__unix__)
/* internal functions specific to v4l2 */
char** v4l2_list_cameras (int* num_devices);
int v4l2_get_control (int fd, int id, int *value);
int v4l2_set_control (int fd, int id, int value);
PyObject* v4l2_read_raw (pgCameraObject* self);
int v4l2_xioctl (int fd, int request, void *arg);
int v4l2_process_image (pgCameraObject* self, const void *image,
unsigned int buffer_size, SDL_Surface* surf);
int v4l2_query_buffer (pgCameraObject* self);
int v4l2_read_frame (pgCameraObject* self, SDL_Surface* surf);
int v4l2_stop_capturing (pgCameraObject* self);
int v4l2_start_capturing (pgCameraObject* self);
int v4l2_uninit_device (pgCameraObject* self);
int v4l2_init_mmap (pgCameraObject* self);
int v4l2_init_device (pgCameraObject* self);
int v4l2_close_device (pgCameraObject* self);
int v4l2_open_device (pgCameraObject* self);
#elif defined(PYGAME_MAC_CAMERA_OLD)
/* internal functions specific to mac */
char** mac_list_cameras(int* num_devices);
int mac_open_device (pgCameraObject* self);
int mac_init_device(pgCameraObject* self);
int mac_close_device (pgCameraObject* self);
int mac_start_capturing(pgCameraObject* self);
int mac_stop_capturing (pgCameraObject* self);
int mac_get_control(pgCameraObject* self, int id, int* value);
int mac_set_control(pgCameraObject* self, int id, int value);
PyObject* mac_read_raw(pgCameraObject *self);
int mac_read_frame(pgCameraObject* self, SDL_Surface* surf);
int mac_camera_idle(pgCameraObject* self);
int mac_copy_gworld_to_surface(pgCameraObject* self, SDL_Surface* surf);
void flip_image(const void* image, void* flipped_image, int width, int height,
short depth, int hflip, int vflip);
#endif

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#ifndef _FASTEVENTS_H_
#define _FASTEVENTS_H_
/*
NET2 is a threaded, event based, network IO library for SDL.
Copyright (C) 2002 Bob Pendleton
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1
of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
If you do not wish to comply with the terms of the LGPL please
contact the author as other terms are available for a fee.
Bob Pendleton
Bob@Pendleton.com
*/
#include "SDL.h"
#ifdef __cplusplus
extern "C" {
#endif
int FE_Init(void); // Initialize FE
void FE_Quit(void); // shutdown FE
void FE_PumpEvents(void); // replacement for SDL_PumpEvents
int FE_PollEvent(SDL_Event *event); // replacement for SDL_PollEvent
int FE_WaitEvent(SDL_Event *event); // replacement for SDL_WaitEvent
int FE_PushEvent(SDL_Event *event); // replacement for SDL_PushEvent
char *FE_GetError(void); // get the last error
#ifdef __cplusplus
}
#endif
#endif

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venv/include/site/python3.7/pygame/font.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#include <Python.h>
#if defined(HAVE_SNPRINTF) /* also defined in SDL_ttf (SDL.h) */
#undef HAVE_SNPRINTF /* remove GCC macro redefine warning */
#endif
#include <SDL_ttf.h>
/* test font initialization */
#define FONT_INIT_CHECK() \
if(!(*(int*)PyFONT_C_API[2])) \
return RAISE(pgExc_SDLError, "font system not initialized")
#define PYGAMEAPI_FONT_FIRSTSLOT 0
#define PYGAMEAPI_FONT_NUMSLOTS 3
typedef struct {
PyObject_HEAD
TTF_Font* font;
PyObject* weakreflist;
} PyFontObject;
#define PyFont_AsFont(x) (((PyFontObject*)x)->font)
#ifndef PYGAMEAPI_FONT_INTERNAL
#define PyFont_Check(x) ((x)->ob_type == (PyTypeObject*)PyFONT_C_API[0])
#define PyFont_Type (*(PyTypeObject*)PyFONT_C_API[0])
#define PyFont_New (*(PyObject*(*)(TTF_Font*))PyFONT_C_API[1])
/*slot 2 taken by FONT_INIT_CHECK*/
#define import_pygame_font() \
_IMPORT_PYGAME_MODULE(font, FONT, PyFONT_C_API)
static void* PyFONT_C_API[PYGAMEAPI_FONT_NUMSLOTS] = {NULL};
#endif

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venv/include/site/python3.7/pygame/freetype.h
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/*
pygame - Python Game Library
Copyright (C) 2009 Vicent Marti
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _PYGAME_FREETYPE_H_
#define _PYGAME_FREETYPE_H_
#define PGFT_PYGAME1_COMPAT
#define HAVE_PYGAME_SDL_VIDEO
#define HAVE_PYGAME_SDL_RWOPS
#include "pygame.h"
#include "pgcompat.h"
#if PY3
# define IS_PYTHON_3
#endif
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_CACHE_H
#include FT_XFREE86_H
#include FT_TRIGONOMETRY_H
/**********************************************************
* Global module constants
**********************************************************/
/* Render styles */
#define FT_STYLE_NORMAL 0x00
#define FT_STYLE_STRONG 0x01
#define FT_STYLE_OBLIQUE 0x02
#define FT_STYLE_UNDERLINE 0x04
#define FT_STYLE_WIDE 0x08
#define FT_STYLE_DEFAULT 0xFF
/* Bounding box modes */
#define FT_BBOX_EXACT FT_GLYPH_BBOX_SUBPIXELS
#define FT_BBOX_EXACT_GRIDFIT FT_GLYPH_BBOX_GRIDFIT
#define FT_BBOX_PIXEL FT_GLYPH_BBOX_TRUNCATE
#define FT_BBOX_PIXEL_GRIDFIT FT_GLYPH_BBOX_PIXELS
/* Rendering flags */
#define FT_RFLAG_NONE (0)
#define FT_RFLAG_ANTIALIAS (1 << 0)
#define FT_RFLAG_AUTOHINT (1 << 1)
#define FT_RFLAG_VERTICAL (1 << 2)
#define FT_RFLAG_HINTED (1 << 3)
#define FT_RFLAG_KERNING (1 << 4)
#define FT_RFLAG_TRANSFORM (1 << 5)
#define FT_RFLAG_PAD (1 << 6)
#define FT_RFLAG_ORIGIN (1 << 7)
#define FT_RFLAG_UCS4 (1 << 8)
#define FT_RFLAG_USE_BITMAP_STRIKES (1 << 9)
#define FT_RFLAG_DEFAULTS (FT_RFLAG_HINTED | \
FT_RFLAG_USE_BITMAP_STRIKES | \
FT_RFLAG_ANTIALIAS)
#define FT_RENDER_NEWBYTEARRAY 0x0
#define FT_RENDER_NEWSURFACE 0x1
#define FT_RENDER_EXISTINGSURFACE 0x2
/**********************************************************
* Global module types
**********************************************************/
typedef struct _scale_s {
FT_UInt x, y;
} Scale_t;
typedef FT_Angle Angle_t;
struct fontinternals_;
struct freetypeinstance_;
typedef struct {
FT_Long font_index;
FT_Open_Args open_args;
} pgFontId;
typedef struct {
PyObject_HEAD
pgFontId id;
PyObject *path;
int is_scalable;
Scale_t face_size;
FT_Int16 style;
FT_Int16 render_flags;
double strength;
double underline_adjustment;
FT_UInt resolution;
Angle_t rotation;
FT_Matrix transform;
FT_Byte fgcolor[4];
struct freetypeinstance_ *freetype; /* Personal reference */
struct fontinternals_ *_internals;
} pgFontObject;
#define pgFont_IS_ALIVE(o) \
(((pgFontObject *)(o))->_internals != 0)
/**********************************************************
* Module declaration
**********************************************************/
#define PYGAMEAPI_FREETYPE_FIRSTSLOT 0
#define PYGAMEAPI_FREETYPE_NUMSLOTS 2
#ifndef PYGAME_FREETYPE_INTERNAL
#define pgFont_Check(x) ((x)->ob_type == (PyTypeObject*)PgFREETYPE_C_API[0])
#define pgFont_Type (*(PyTypeObject*)PgFREETYPE_C_API[1])
#define pgFont_New (*(PyObject*(*)(const char*, long))PgFREETYPE_C_API[1])
#define import_pygame_freetype() \
_IMPORT_PYGAME_MODULE(freetype, FREETYPE, PgFREETYPE_C_API)
static void *PgFREETYPE_C_API[PYGAMEAPI_FREETYPE_NUMSLOTS] = {0};
#endif /* PYGAME_FREETYPE_INTERNAL */
#endif /* _PYGAME_FREETYPE_H_ */

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venv/include/site/python3.7/pygame/mask.h
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#include <Python.h>
#include "bitmask.h"
#define PYGAMEAPI_MASK_FIRSTSLOT 0
#define PYGAMEAPI_MASK_NUMSLOTS 1
#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
typedef struct {
PyObject_HEAD
bitmask_t *mask;
} pgMaskObject;
#define pgMask_AsBitmap(x) (((pgMaskObject*)x)->mask)
#ifndef PYGAMEAPI_MASK_INTERNAL
#define pgMask_Type (*(PyTypeObject*)PyMASK_C_API[0])
#define pgMask_Check(x) ((x)->ob_type == &pgMask_Type)
#define import_pygame_mask() \
_IMPORT_PYGAME_MODULE(mask, MASK, PyMASK_C_API)
static void* PyMASK_C_API[PYGAMEAPI_MASK_NUMSLOTS] = {NULL};
#endif /* #ifndef PYGAMEAPI_MASK_INTERNAL */

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venv/include/site/python3.7/pygame/mixer.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#include <Python.h>
#include <SDL_mixer.h>
#include <structmember.h>
/* test mixer initializations */
#define MIXER_INIT_CHECK() \
if(!SDL_WasInit(SDL_INIT_AUDIO)) \
return RAISE(pgExc_SDLError, "mixer not initialized")
#define PYGAMEAPI_MIXER_FIRSTSLOT 0
#define PYGAMEAPI_MIXER_NUMSLOTS 7
typedef struct {
PyObject_HEAD
Mix_Chunk *chunk;
Uint8 *mem;
PyObject *weakreflist;
} pgSoundObject;
typedef struct {
PyObject_HEAD
int chan;
} pgChannelObject;
#define pgSound_AsChunk(x) (((pgSoundObject*)x)->chunk)
#define pgChannel_AsInt(x) (((pgChannelObject*)x)->chan)
#ifndef PYGAMEAPI_MIXER_INTERNAL
#define pgSound_Check(x) ((x)->ob_type == (PyTypeObject*)pgMIXER_C_API[0])
#define pgSound_Type (*(PyTypeObject*)pgMIXER_C_API[0])
#define pgSound_New (*(PyObject*(*)(Mix_Chunk*))pgMIXER_C_API[1])
#define pgSound_Play (*(PyObject*(*)(PyObject*, PyObject*))pgMIXER_C_API[2])
#define pgChannel_Check(x) ((x)->ob_type == (PyTypeObject*)pgMIXER_C_API[3])
#define pgChannel_Type (*(PyTypeObject*)pgMIXER_C_API[3])
#define pgChannel_New (*(PyObject*(*)(int))pgMIXER_C_API[4])
#define pgMixer_AutoInit (*(PyObject*(*)(PyObject*, PyObject*))pgMIXER_C_API[5])
#define pgMixer_AutoQuit (*(void(*)(void))pgMIXER_C_API[6])
#define import_pygame_mixer() \
_IMPORT_PYGAME_MODULE(mixer, MIXER, pgMIXER_C_API)
static void* pgMIXER_C_API[PYGAMEAPI_MIXER_NUMSLOTS] = {NULL};
#endif

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venv/include/site/python3.7/pygame/palette.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef PALETTE_H
#define PALETTE_H
#include <SDL.h>
/* SDL 2 does not assign a default palette color scheme to a new 8 bit
* surface. Instead, the palette is set all white. This defines the SDL 1.2
* default palette.
*/
static const SDL_Color default_palette_colors[] = {
{0, 0, 0, 255}, {0, 0, 85, 255}, {0, 0, 170, 255},
{0, 0, 255, 255}, {0, 36, 0, 255}, {0, 36, 85, 255},
{0, 36, 170, 255}, {0, 36, 255, 255}, {0, 73, 0, 255},
{0, 73, 85, 255}, {0, 73, 170, 255}, {0, 73, 255, 255},
{0, 109, 0, 255}, {0, 109, 85, 255}, {0, 109, 170, 255},
{0, 109, 255, 255}, {0, 146, 0, 255}, {0, 146, 85, 255},
{0, 146, 170, 255}, {0, 146, 255, 255}, {0, 182, 0, 255},
{0, 182, 85, 255}, {0, 182, 170, 255}, {0, 182, 255, 255},
{0, 219, 0, 255}, {0, 219, 85, 255}, {0, 219, 170, 255},
{0, 219, 255, 255}, {0, 255, 0, 255}, {0, 255, 85, 255},
{0, 255, 170, 255}, {0, 255, 255, 255}, {85, 0, 0, 255},
{85, 0, 85, 255}, {85, 0, 170, 255}, {85, 0, 255, 255},
{85, 36, 0, 255}, {85, 36, 85, 255}, {85, 36, 170, 255},
{85, 36, 255, 255}, {85, 73, 0, 255}, {85, 73, 85, 255},
{85, 73, 170, 255}, {85, 73, 255, 255}, {85, 109, 0, 255},
{85, 109, 85, 255}, {85, 109, 170, 255}, {85, 109, 255, 255},
{85, 146, 0, 255}, {85, 146, 85, 255}, {85, 146, 170, 255},
{85, 146, 255, 255}, {85, 182, 0, 255}, {85, 182, 85, 255},
{85, 182, 170, 255}, {85, 182, 255, 255}, {85, 219, 0, 255},
{85, 219, 85, 255}, {85, 219, 170, 255}, {85, 219, 255, 255},
{85, 255, 0, 255}, {85, 255, 85, 255}, {85, 255, 170, 255},
{85, 255, 255, 255}, {170, 0, 0, 255}, {170, 0, 85, 255},
{170, 0, 170, 255}, {170, 0, 255, 255}, {170, 36, 0, 255},
{170, 36, 85, 255}, {170, 36, 170, 255}, {170, 36, 255, 255},
{170, 73, 0, 255}, {170, 73, 85, 255}, {170, 73, 170, 255},
{170, 73, 255, 255}, {170, 109, 0, 255}, {170, 109, 85, 255},
{170, 109, 170, 255}, {170, 109, 255, 255}, {170, 146, 0, 255},
{170, 146, 85, 255}, {170, 146, 170, 255}, {170, 146, 255, 255},
{170, 182, 0, 255}, {170, 182, 85, 255}, {170, 182, 170, 255},
{170, 182, 255, 255}, {170, 219, 0, 255}, {170, 219, 85, 255},
{170, 219, 170, 255}, {170, 219, 255, 255}, {170, 255, 0, 255},
{170, 255, 85, 255}, {170, 255, 170, 255}, {170, 255, 255, 255},
{255, 0, 0, 255}, {255, 0, 85, 255}, {255, 0, 170, 255},
{255, 0, 255, 255}, {255, 36, 0, 255}, {255, 36, 85, 255},
{255, 36, 170, 255}, {255, 36, 255, 255}, {255, 73, 0, 255},
{255, 73, 85, 255}, {255, 73, 170, 255}, {255, 73, 255, 255},
{255, 109, 0, 255}, {255, 109, 85, 255}, {255, 109, 170, 255},
{255, 109, 255, 255}, {255, 146, 0, 255}, {255, 146, 85, 255},
{255, 146, 170, 255}, {255, 146, 255, 255}, {255, 182, 0, 255},
{255, 182, 85, 255}, {255, 182, 170, 255}, {255, 182, 255, 255},
{255, 219, 0, 255}, {255, 219, 85, 255}, {255, 219, 170, 255},
{255, 219, 255, 255}, {255, 255, 0, 255}, {255, 255, 85, 255},
{255, 255, 170, 255}, {255, 255, 255, 255}, {0, 0, 0, 255},
{0, 0, 85, 255}, {0, 0, 170, 255}, {0, 0, 255, 255},
{0, 36, 0, 255}, {0, 36, 85, 255}, {0, 36, 170, 255},
{0, 36, 255, 255}, {0, 73, 0, 255}, {0, 73, 85, 255},
{0, 73, 170, 255}, {0, 73, 255, 255}, {0, 109, 0, 255},
{0, 109, 85, 255}, {0, 109, 170, 255}, {0, 109, 255, 255},
{0, 146, 0, 255}, {0, 146, 85, 255}, {0, 146, 170, 255},
{0, 146, 255, 255}, {0, 182, 0, 255}, {0, 182, 85, 255},
{0, 182, 170, 255}, {0, 182, 255, 255}, {0, 219, 0, 255},
{0, 219, 85, 255}, {0, 219, 170, 255}, {0, 219, 255, 255},
{0, 255, 0, 255}, {0, 255, 85, 255}, {0, 255, 170, 255},
{0, 255, 255, 255}, {85, 0, 0, 255}, {85, 0, 85, 255},
{85, 0, 170, 255}, {85, 0, 255, 255}, {85, 36, 0, 255},
{85, 36, 85, 255}, {85, 36, 170, 255}, {85, 36, 255, 255},
{85, 73, 0, 255}, {85, 73, 85, 255}, {85, 73, 170, 255},
{85, 73, 255, 255}, {85, 109, 0, 255}, {85, 109, 85, 255},
{85, 109, 170, 255}, {85, 109, 255, 255}, {85, 146, 0, 255},
{85, 146, 85, 255}, {85, 146, 170, 255}, {85, 146, 255, 255},
{85, 182, 0, 255}, {85, 182, 85, 255}, {85, 182, 170, 255},
{85, 182, 255, 255}, {85, 219, 0, 255}, {85, 219, 85, 255},
{85, 219, 170, 255}, {85, 219, 255, 255}, {85, 255, 0, 255},
{85, 255, 85, 255}, {85, 255, 170, 255}, {85, 255, 255, 255},
{170, 0, 0, 255}, {170, 0, 85, 255}, {170, 0, 170, 255},
{170, 0, 255, 255}, {170, 36, 0, 255}, {170, 36, 85, 255},
{170, 36, 170, 255}, {170, 36, 255, 255}, {170, 73, 0, 255},
{170, 73, 85, 255}, {170, 73, 170, 255}, {170, 73, 255, 255},
{170, 109, 0, 255}, {170, 109, 85, 255}, {170, 109, 170, 255},
{170, 109, 255, 255}, {170, 146, 0, 255}, {170, 146, 85, 255},
{170, 146, 170, 255}, {170, 146, 255, 255}, {170, 182, 0, 255},
{170, 182, 85, 255}, {170, 182, 170, 255}, {170, 182, 255, 255},
{170, 219, 0, 255}, {170, 219, 85, 255}, {170, 219, 170, 255},
{170, 219, 255, 255}, {170, 255, 0, 255}, {170, 255, 85, 255},
{170, 255, 170, 255}, {170, 255, 255, 255}, {255, 0, 0, 255},
{255, 0, 85, 255}, {255, 0, 170, 255}, {255, 0, 255, 255},
{255, 36, 0, 255}, {255, 36, 85, 255}, {255, 36, 170, 255},
{255, 36, 255, 255}, {255, 73, 0, 255}, {255, 73, 85, 255},
{255, 73, 170, 255}, {255, 73, 255, 255}, {255, 109, 0, 255},
{255, 109, 85, 255}, {255, 109, 170, 255}, {255, 109, 255, 255},
{255, 146, 0, 255}, {255, 146, 85, 255}, {255, 146, 170, 255},
{255, 146, 255, 255}, {255, 182, 0, 255}, {255, 182, 85, 255},
{255, 182, 170, 255}, {255, 182, 255, 255}, {255, 219, 0, 255},
{255, 219, 85, 255}, {255, 219, 170, 255}, {255, 219, 255, 255},
{255, 255, 0, 255}, {255, 255, 85, 255}, {255, 255, 170, 255},
{255, 255, 255, 255}};
static const int default_palette_size =
(int)(sizeof(default_palette_colors) / sizeof(SDL_Color));
#endif

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/* array structure interface version 3 declarations */
#if !defined(PG_ARRAYINTER_HEADER)
#define PG_ARRAYINTER_HEADER
static const int PAI_CONTIGUOUS = 0x01;
static const int PAI_FORTRAN = 0x02;
static const int PAI_ALIGNED = 0x100;
static const int PAI_NOTSWAPPED = 0x200;
static const int PAI_WRITEABLE = 0x400;
static const int PAI_ARR_HAS_DESCR = 0x800;
typedef struct {
int two; /* contains the integer 2 -- simple sanity check */
int nd; /* number of dimensions */
char typekind; /* kind in array -- character code of typestr */
int itemsize; /* size of each element */
int flags; /* flags indicating how the data should be */
/* interpreted */
Py_intptr_t *shape; /* A length-nd array of shape information */
Py_intptr_t *strides; /* A length-nd array of stride information */
void *data; /* A pointer to the first element of the array */
PyObject *descr; /* NULL or a data-description */
} PyArrayInterface;
#endif

52
venv/include/site/python3.7/pygame/pgbufferproxy.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Rene Dudfield, Richard Goedeken
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
/* Bufferproxy module C api.
Depends on pygame.h being included first.
*/
#if !defined(PG_BUFPROXY_HEADER)
#define PYGAMEAPI_BUFPROXY_NUMSLOTS 4
#define PYGAMEAPI_BUFPROXY_FIRSTSLOT 0
#if !(defined(PYGAMEAPI_BUFPROXY_INTERNAL) || defined(NO_PYGAME_C_API))
static void *PgBUFPROXY_C_API[PYGAMEAPI_BUFPROXY_NUMSLOTS];
typedef PyObject *(*_pgbufproxy_new_t)(PyObject *, getbufferproc);
typedef PyObject *(*_pgbufproxy_get_obj_t)(PyObject *);
typedef int (*_pgbufproxy_trip_t)(PyObject *);
#define pgBufproxy_Type (*(PyTypeObject*)PgBUFPROXY_C_API[0])
#define pgBufproxy_New (*(_pgbufproxy_new_t)PgBUFPROXY_C_API[1])
#define pgBufproxy_GetParent \
(*(_pgbufproxy_get_obj_t)PgBUFPROXY_C_API[2])
#define pgBufproxy_Trip (*(_pgbufproxy_trip_t)PgBUFPROXY_C_API[3])
#define pgBufproxy_Check(x) ((x)->ob_type == (pgBufproxy_Type))
#define import_pygame_bufferproxy() \
_IMPORT_PYGAME_MODULE(bufferproxy, BUFPROXY, PgBUFPROXY_C_API)
#endif /* #if !(defined(PYGAMEAPI_BUFPROXY_INTERNAL) || ... */
#define PG_BUFPROXY_HEADER
#endif /* #if !defined(PG_BUFPROXY_HEADER) */

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venv/include/site/python3.7/pygame/pgcompat.h
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/* Python 2.x/3.x compitibility tools
*/
#if !defined(PGCOMPAT_H)
#define PGCOMPAT_H
#if PY_MAJOR_VERSION >= 3
#define PY3 1
/* Define some aliases for the removed PyInt_* functions */
#define PyInt_Check(op) PyLong_Check(op)
#define PyInt_FromString PyLong_FromString
#define PyInt_FromUnicode PyLong_FromUnicode
#define PyInt_FromLong PyLong_FromLong
#define PyInt_FromSize_t PyLong_FromSize_t
#define PyInt_FromSsize_t PyLong_FromSsize_t
#define PyInt_AsLong PyLong_AsLong
#define PyInt_AsSsize_t PyLong_AsSsize_t
#define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
#define PyInt_AS_LONG PyLong_AS_LONG
#define PyNumber_Int PyNumber_Long
/* Weakrefs flags changed in 3.x */
#define Py_TPFLAGS_HAVE_WEAKREFS 0
/* Module init function returns new module instance. */
#define MODINIT_RETURN(x) return x
#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC PyInit_##mod_name (void)
#define DECREF_MOD(mod) Py_DECREF (mod)
/* Type header differs. */
#define TYPE_HEAD(x,y) PyVarObject_HEAD_INIT(x,y)
/* Text interface. Use unicode strings. */
#define Text_Type PyUnicode_Type
#define Text_Check PyUnicode_Check
#ifndef PYPY_VERSION
#define Text_FromLocale(s) PyUnicode_DecodeLocale((s), "strict")
#else /* PYPY_VERSION */
/* workaround: missing function for pypy */
#define Text_FromLocale PyUnicode_FromString
#endif /* PYPY_VERSION */
#define Text_FromUTF8 PyUnicode_FromString
#define Text_FromUTF8AndSize PyUnicode_FromStringAndSize
#define Text_FromFormat PyUnicode_FromFormat
#define Text_GetSize PyUnicode_GetSize
#define Text_GET_SIZE PyUnicode_GET_SIZE
/* Binary interface. Use bytes. */
#define Bytes_Type PyBytes_Type
#define Bytes_Check PyBytes_Check
#define Bytes_Size PyBytes_Size
#define Bytes_AsString PyBytes_AsString
#define Bytes_AsStringAndSize PyBytes_AsStringAndSize
#define Bytes_FromStringAndSize PyBytes_FromStringAndSize
#define Bytes_FromFormat PyBytes_FromFormat
#define Bytes_AS_STRING PyBytes_AS_STRING
#define Bytes_GET_SIZE PyBytes_GET_SIZE
#define Bytes_AsDecodeObject PyBytes_AsDecodedObject
#define Object_Unicode PyObject_Str
#define IsTextObj(x) (PyUnicode_Check(x) || PyBytes_Check(x))
/* Renamed builtins */
#define BUILTINS_MODULE "builtins"
#define BUILTINS_UNICODE "str"
#define BUILTINS_UNICHR "chr"
/* Defaults for unicode file path encoding */
#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
#if defined(MS_WIN32)
#define UNICODE_DEF_FS_ERROR "replace"
#else
#define UNICODE_DEF_FS_ERROR "surrogateescape"
#endif
#else /* #if PY_MAJOR_VERSION >= 3 */
#define PY3 0
/* Module init function returns nothing. */
#define MODINIT_RETURN(x) return
#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC init##mod_name (void)
#define DECREF_MOD(mod)
/* Type header differs. */
#define TYPE_HEAD(x,y) \
PyObject_HEAD_INIT(x) \
0,
/* Text interface. Use ascii strings. */
#define Text_Type PyString_Type
#define Text_Check PyString_Check
#define Text_FromLocale PyString_FromString
#define Text_FromUTF8 PyString_FromString
#define Text_FromUTF8AndSize PyString_FromStringAndSize
#define Text_FromFormat PyString_FromFormat
#define Text_GetSize PyString_GetSize
#define Text_GET_SIZE PyString_GET_SIZE
/* Binary interface. Use ascii strings. */
#define Bytes_Type PyString_Type
#define Bytes_Check PyString_Check
#define Bytes_Size PyString_Size
#define Bytes_AsString PyString_AsString
#define Bytes_AsStringAndSize PyString_AsStringAndSize
#define Bytes_FromStringAndSize PyString_FromStringAndSize
#define Bytes_FromFormat PyString_FromFormat
#define Bytes_AS_STRING PyString_AS_STRING
#define Bytes_GET_SIZE PyString_GET_SIZE
#define Bytes_AsDecodedObject PyString_AsDecodedObject
#define Object_Unicode PyObject_Unicode
/* Renamed builtins */
#define BUILTINS_MODULE "__builtin__"
#define BUILTINS_UNICODE "unicode"
#define BUILTINS_UNICHR "unichr"
/* Defaults for unicode file path encoding */
#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
#define UNICODE_DEF_FS_ERROR "strict"
#endif /* #if PY_MAJOR_VERSION >= 3 */
#define PY2 (!PY3)
#define MODINIT_ERROR MODINIT_RETURN (NULL)
/* Module state. These macros are used to define per-module macros.
* v - global state variable (Python 2.x)
* s - global state structure (Python 3.x)
*/
#define PY2_GETSTATE(v) (&(v))
#define PY3_GETSTATE(s, m) ((struct s *) PyModule_GetState (m))
/* Pep 3123: Making PyObject_HEAD conform to standard C */
#if !defined(Py_TYPE)
#define Py_TYPE(o) (((PyObject *)(o))->ob_type)
#define Py_REFCNT(o) (((PyObject *)(o))->ob_refcnt)
#define Py_SIZE(o) (((PyVarObject *)(o))->ob_size)
#endif
/* Encode a unicode file path */
#define Unicode_AsEncodedPath(u) \
PyUnicode_AsEncodedString ((u), UNICODE_DEF_FS_CODEC, UNICODE_DEF_FS_ERROR)
#define RELATIVE_MODULE(m) ("." m)
#define HAVE_OLD_BUFPROTO PY2
#if !defined(PG_ENABLE_OLDBUF) /* allow for command line override */
#if HAVE_OLD_BUFPROTO
#define PG_ENABLE_OLDBUF 1
#else
#define PG_ENABLE_OLDBUF 0
#endif
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
#define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_CLASS
#define Py_TPFLAGS_HAVE_CLASS 0
#endif
#ifndef Py_TPFLAGS_CHECKTYPES
#define Py_TPFLAGS_CHECKTYPES 0
#endif
#if PY_VERSION_HEX >= 0x03020000
#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
PySlice_GetIndicesEx(slice, length, start, stop, step, slicelength)
#else
#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
PySlice_GetIndicesEx((PySliceObject *)(slice), length, \
start, stop, step, slicelength)
#endif
/* Support new buffer protocol? */
#if !defined(PG_ENABLE_NEWBUF) /* allow for command line override */
#if !defined(PYPY_VERSION)
#define PG_ENABLE_NEWBUF 1
#else
#define PG_ENABLE_NEWBUF 0
#endif
#endif
#endif /* #if !defined(PGCOMPAT_H) */

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venv/include/site/python3.7/pygame/pgopengl.h
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#if !defined(PGOPENGL_H)
#define PGOPENGL_H
/** This header includes definitions of Opengl functions as pointer types for
** use with the SDL function SDL_GL_GetProcAddress.
**/
#if defined(_WIN32)
#define GL_APIENTRY __stdcall
#else
#define GL_APIENTRY
#endif
typedef void (GL_APIENTRY *GL_glReadPixels_Func)(int, int, int, int, unsigned int, unsigned int, void*);
#endif

34
venv/include/site/python3.7/pygame/pygame.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
/* To allow the Pygame C api to be globally shared by all code within an
* extension module built from multiple C files, only include the pygame.h
* header within the top level C file, the one which calls the
* 'import_pygame_*' macros. All other C source files of the module should
* include _pygame.h instead.
*/
#ifndef PYGAME_H
#define PYGAME_H
#include "_pygame.h"
#endif

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venv/include/site/python3.7/pygame/scrap.h
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/*
pygame - Python Game Library
Copyright (C) 2006, 2007 Rene Dudfield, Marcus von Appen
Originally put in the public domain by Sam Lantinga.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This is unconditionally defined in Python.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <Python.h>
/* Handle clipboard text and data in arbitrary formats */
/**
* Predefined supported pygame scrap types.
*/
#define PYGAME_SCRAP_TEXT "text/plain"
#define PYGAME_SCRAP_BMP "image/bmp"
#define PYGAME_SCRAP_PPM "image/ppm"
#define PYGAME_SCRAP_PBM "image/pbm"
/**
* The supported scrap clipboard types.
*
* This is only relevant in a X11 environment, which supports mouse
* selections as well. For Win32 and MacOS environments the default
* clipboard is used, no matter what value is passed.
*/
typedef enum
{
SCRAP_CLIPBOARD,
SCRAP_SELECTION /* only supported in X11 environments. */
} ScrapClipType;
/**
* Macro for initialization checks.
*/
#define PYGAME_SCRAP_INIT_CHECK() \
if(!pygame_scrap_initialized()) \
return (PyErr_SetString (pgExc_SDLError, \
"scrap system not initialized."), NULL)
/**
* \brief Checks, whether the pygame scrap module was initialized.
*
* \return 1 if the modules was initialized, 0 otherwise.
*/
extern int
pygame_scrap_initialized (void);
/**
* \brief Initializes the pygame scrap module internals. Call this before any
* other method.
*
* \return 1 on successful initialization, 0 otherwise.
*/
extern int
pygame_scrap_init (void);
/**
* \brief Checks, whether the pygame window lost the clipboard focus or not.
*
* \return 1 if the window lost the focus, 0 otherwise.
*/
extern int
pygame_scrap_lost (void);
/**
* \brief Places content of a specific type into the clipboard.
*
* \note For X11 the following notes are important: The following types
* are reserved for internal usage and thus will throw an error on
* setting them: "TIMESTAMP", "TARGETS", "SDL_SELECTION".
* Setting PYGAME_SCRAP_TEXT ("text/plain") will also automatically
* set the X11 types "STRING" (XA_STRING), "TEXT" and "UTF8_STRING".
*
* For Win32 the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the Win32 type "TEXT" (CF_TEXT).
*
* For QNX the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the QNX type "TEXT" (Ph_CL_TEXT).
*
* \param type The type of the content.
* \param srclen The length of the content.
* \param src The NULL terminated content.
* \return 1, if the content could be successfully pasted into the clipboard,
* 0 otherwise.
*/
extern int
pygame_scrap_put (char *type, int srclen, char *src);
/**
* \brief Gets the current content from the clipboard.
*
* \note The received content does not need to be the content previously
* placed in the clipboard using pygame_put_scrap(). See the
* pygame_put_scrap() notes for more details.
*
* \param type The type of the content to receive.
* \param count The size of the returned content.
* \return The content or NULL in case of an error or if no content of the
* specified type was available.
*/
extern char*
pygame_scrap_get (char *type, unsigned long *count);
/**
* \brief Gets the currently available content types from the clipboard.
*
* \return The different available content types or NULL in case of an
* error or if no content type is available.
*/
extern char**
pygame_scrap_get_types (void);
/**
* \brief Checks whether content for the specified scrap type is currently
* available in the clipboard.
*
* \param type The type to check for.
* \return 1, if there is content and 0 otherwise.
*/
extern int
pygame_scrap_contains (char *type);

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venv/include/site/python3.7/pygame/surface.h
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Marcus von Appen
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef SURFACE_H
#define SURFACE_H
/* This is defined in SDL.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <SDL.h>
#include "pygame.h"
/* Blend modes */
#define PYGAME_BLEND_ADD 0x1
#define PYGAME_BLEND_SUB 0x2
#define PYGAME_BLEND_MULT 0x3
#define PYGAME_BLEND_MIN 0x4
#define PYGAME_BLEND_MAX 0x5
#define PYGAME_BLEND_RGB_ADD 0x1
#define PYGAME_BLEND_RGB_SUB 0x2
#define PYGAME_BLEND_RGB_MULT 0x3
#define PYGAME_BLEND_RGB_MIN 0x4
#define PYGAME_BLEND_RGB_MAX 0x5
#define PYGAME_BLEND_RGBA_ADD 0x6
#define PYGAME_BLEND_RGBA_SUB 0x7
#define PYGAME_BLEND_RGBA_MULT 0x8
#define PYGAME_BLEND_RGBA_MIN 0x9
#define PYGAME_BLEND_RGBA_MAX 0x10
#define PYGAME_BLEND_PREMULTIPLIED 0x11
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define GET_PIXEL_24(b) (b[0] + (b[1] << 8) + (b[2] << 16))
#else
#define GET_PIXEL_24(b) (b[2] + (b[1] << 8) + (b[0] << 16))
#endif
#define GET_PIXEL(pxl, bpp, source) \
switch (bpp) \
{ \
case 2: \
pxl = *((Uint16 *) (source)); \
break; \
case 4: \
pxl = *((Uint32 *) (source)); \
break; \
default: \
{ \
Uint8 *b = (Uint8 *) source; \
pxl = GET_PIXEL_24(b); \
} \
break; \
}
#if IS_SDLv1
#define GET_PIXELVALS(_sR, _sG, _sB, _sA, px, fmt, ppa) \
_sR = ((px & fmt->Rmask) >> fmt->Rshift); \
_sR = (_sR << fmt->Rloss) + (_sR >> (8 - (fmt->Rloss << 1))); \
_sG = ((px & fmt->Gmask) >> fmt->Gshift); \
_sG = (_sG << fmt->Gloss) + (_sG >> (8 - (fmt->Gloss << 1))); \
_sB = ((px & fmt->Bmask) >> fmt->Bshift); \
_sB = (_sB << fmt->Bloss) + (_sB >> (8 - (fmt->Bloss << 1))); \
if (ppa) \
{ \
_sA = ((px & fmt->Amask) >> fmt->Ashift); \
_sA = (_sA << fmt->Aloss) + (_sA >> (8 - (fmt->Aloss << 1))); \
} \
else \
{ \
_sA = 255; \
}
#define GET_PIXELVALS_1(sr, sg, sb, sa, _src, _fmt) \
sr = _fmt->palette->colors[*((Uint8 *) (_src))].r; \
sg = _fmt->palette->colors[*((Uint8 *) (_src))].g; \
sb = _fmt->palette->colors[*((Uint8 *) (_src))].b; \
sa = 255;
/* For 1 byte palette pixels */
#define SET_PIXELVAL(px, fmt, _dR, _dG, _dB, _dA) \
*(px) = (Uint8) SDL_MapRGB(fmt, _dR, _dG, _dB)
#else /* IS_SDLv2 */
#define GET_PIXELVALS(_sR, _sG, _sB, _sA, px, fmt, ppa) \
SDL_GetRGBA(px, fmt, &(_sR), &(_sG), &(_sB), &(_sA)); \
if (!ppa) { \
_sA = 255; \
}
#define GET_PIXELVALS_1(sr, sg, sb, sa, _src, _fmt) \
sr = _fmt->palette->colors[*((Uint8 *) (_src))].r; \
sg = _fmt->palette->colors[*((Uint8 *) (_src))].g; \
sb = _fmt->palette->colors[*((Uint8 *) (_src))].b; \
sa = 255;
/* For 1 byte palette pixels */
#define SET_PIXELVAL(px, fmt, _dR, _dG, _dB, _dA) \
*(px) = (Uint8) SDL_MapRGBA(fmt, _dR, _dG, _dB, _dA)
#endif /* IS_SDLv2 */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SET_OFFSETS_24(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 0 : \
fmt->Rshift == 8 ? 1 : \
2 ); \
og = (fmt->Gshift == 0 ? 0 : \
fmt->Gshift == 8 ? 1 : \
2 ); \
ob = (fmt->Bshift == 0 ? 0 : \
fmt->Bshift == 8 ? 1 : \
2 ); \
}
#define SET_OFFSETS_32(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 0 : \
fmt->Rshift == 8 ? 1 : \
fmt->Rshift == 16 ? 2 : \
3 ); \
og = (fmt->Gshift == 0 ? 0 : \
fmt->Gshift == 8 ? 1 : \
fmt->Gshift == 16 ? 2 : \
3 ); \
ob = (fmt->Bshift == 0 ? 0 : \
fmt->Bshift == 8 ? 1 : \
fmt->Bshift == 16 ? 2 : \
3 ); \
}
#else
#define SET_OFFSETS_24(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 2 : \
fmt->Rshift == 8 ? 1 : \
0 ); \
og = (fmt->Gshift == 0 ? 2 : \
fmt->Gshift == 8 ? 1 : \
0 ); \
ob = (fmt->Bshift == 0 ? 2 : \
fmt->Bshift == 8 ? 1 : \
0 ); \
}
#define SET_OFFSETS_32(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 3 : \
fmt->Rshift == 8 ? 2 : \
fmt->Rshift == 16 ? 1 : \
0 ); \
og = (fmt->Gshift == 0 ? 3 : \
fmt->Gshift == 8 ? 2 : \
fmt->Gshift == 16 ? 1 : \
0 ); \
ob = (fmt->Bshift == 0 ? 3 : \
fmt->Bshift == 8 ? 2 : \
fmt->Bshift == 16 ? 1 : \
0 ); \
}
#endif
#define CREATE_PIXEL(buf, r, g, b, a, bp, ft) \
switch (bp) \
{ \
case 2: \
*((Uint16 *) (buf)) = \
((r >> ft->Rloss) << ft->Rshift) | \
((g >> ft->Gloss) << ft->Gshift) | \
((b >> ft->Bloss) << ft->Bshift) | \
((a >> ft->Aloss) << ft->Ashift); \
break; \
case 4: \
*((Uint32 *) (buf)) = \
((r >> ft->Rloss) << ft->Rshift) | \
((g >> ft->Gloss) << ft->Gshift) | \
((b >> ft->Bloss) << ft->Bshift) | \
((a >> ft->Aloss) << ft->Ashift); \
break; \
}
/* Pretty good idea from Tom Duff :-). */
#define LOOP_UNROLLED4(code, n, width) \
n = (width + 3) / 4; \
switch (width & 3) \
{ \
case 0: do { code; \
case 3: code; \
case 2: code; \
case 1: code; \
} while (--n > 0); \
}
/* Used in the srcbpp == dstbpp == 1 blend functions */
#define REPEAT_3(code) \
code; \
code; \
code;
#define REPEAT_4(code) \
code; \
code; \
code; \
code;
#define BLEND_ADD(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR + sR; dR = (tmp <= 255 ? tmp : 255); \
tmp = dG + sG; dG = (tmp <= 255 ? tmp : 255); \
tmp = dB + sB; dB = (tmp <= 255 ? tmp : 255);
#define BLEND_SUB(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR - sR; dR = (tmp >= 0 ? tmp : 0); \
tmp = dG - sG; dG = (tmp >= 0 ? tmp : 0); \
tmp = dB - sB; dB = (tmp >= 0 ? tmp : 0);
#define BLEND_MULT(sR, sG, sB, sA, dR, dG, dB, dA) \
dR = (dR && sR) ? (dR * sR) >> 8 : 0; \
dG = (dG && sG) ? (dG * sG) >> 8 : 0; \
dB = (dB && sB) ? (dB * sB) >> 8 : 0;
#define BLEND_MIN(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR < dR) { dR = sR; } \
if(sG < dG) { dG = sG; } \
if(sB < dB) { dB = sB; }
#define BLEND_MAX(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR > dR) { dR = sR; } \
if(sG > dG) { dG = sG; } \
if(sB > dB) { dB = sB; }
#define BLEND_RGBA_ADD(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR + sR; dR = (tmp <= 255 ? tmp : 255); \
tmp = dG + sG; dG = (tmp <= 255 ? tmp : 255); \
tmp = dB + sB; dB = (tmp <= 255 ? tmp : 255); \
tmp = dA + sA; dA = (tmp <= 255 ? tmp : 255);
#define BLEND_RGBA_SUB(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR - sR; dR = (tmp >= 0 ? tmp : 0); \
tmp = dG - sG; dG = (tmp >= 0 ? tmp : 0); \
tmp = dB - sB; dB = (tmp >= 0 ? tmp : 0); \
tmp = dA - sA; dA = (tmp >= 0 ? tmp : 0);
#define BLEND_RGBA_MULT(sR, sG, sB, sA, dR, dG, dB, dA) \
dR = (dR && sR) ? (dR * sR) >> 8 : 0; \
dG = (dG && sG) ? (dG * sG) >> 8 : 0; \
dB = (dB && sB) ? (dB * sB) >> 8 : 0; \
dA = (dA && sA) ? (dA * sA) >> 8 : 0;
#define BLEND_RGBA_MIN(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR < dR) { dR = sR; } \
if(sG < dG) { dG = sG; } \
if(sB < dB) { dB = sB; } \
if(sA < dA) { dA = sA; }
#define BLEND_RGBA_MAX(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR > dR) { dR = sR; } \
if(sG > dG) { dG = sG; } \
if(sB > dB) { dB = sB; } \
if(sA > dA) { dA = sA; }
#if 1
/* Choose an alpha blend equation. If the sign is preserved on a right shift
* then use a specialized, faster, equation. Otherwise a more general form,
* where all additions are done before the shift, is needed.
*/
#if (-1 >> 1) < 0
#define ALPHA_BLEND_COMP(sC, dC, sA) ((((sC - dC) * sA + sC) >> 8) + dC)
#else
#define ALPHA_BLEND_COMP(sC, dC, sA) (((dC << 8) + (sC - dC) * sA + sC) >> 8)
#endif
#define ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
if (dA) \
{ \
dR = ALPHA_BLEND_COMP(sR, dR, sA); \
dG = ALPHA_BLEND_COMP(sG, dG, sA); \
dB = ALPHA_BLEND_COMP(sB, dB, sA); \
dA = sA + dA - ((sA * dA) / 255); \
} \
else \
{ \
dR = sR; \
dG = sG; \
dB = sB; \
dA = sA; \
} \
} while(0)
#define ALPHA_BLEND_PREMULTIPLIED_COMP(sC, dC, sA) (sC + dC - ((dC * sA) >> 8))
#define ALPHA_BLEND_PREMULTIPLIED(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sR, dR, sA); dR = (tmp > 255 ? 255 : tmp); \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sG, dG, sA); dG = (tmp > 255 ? 255 : tmp); \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sB, dB, sA); dB = (tmp > 255 ? 255 : tmp); \
dA = sA + dA - ((sA * dA) / 255); \
} while(0)
#elif 0
#define ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
if(sA){ \
if(dA && sA < 255){ \
int dContrib = dA*(255 - sA)/255; \
dA = sA+dA - ((sA*dA)/255); \
dR = (dR*dContrib + sR*sA)/dA; \
dG = (dG*dContrib + sG*sA)/dA; \
dB = (dB*dContrib + sB*sA)/dA; \
}else{ \
dR = sR; \
dG = sG; \
dB = sB; \
dA = sA; \
} \
} \
} while(0)
#endif
int
surface_fill_blend (SDL_Surface *surface, SDL_Rect *rect, Uint32 color,
int blendargs);
void
surface_respect_clip_rect (SDL_Surface *surface, SDL_Rect *rect);
int
pygame_AlphaBlit (SDL_Surface * src, SDL_Rect * srcrect,
SDL_Surface * dst, SDL_Rect * dstrect, int the_args);
int
pygame_Blit (SDL_Surface * src, SDL_Rect * srcrect,
SDL_Surface * dst, SDL_Rect * dstrect, int the_args);
#endif /* SURFACE_H */

2
venv/lib/python3.7/site-packages/easy-install.pth
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@ -1,2 +0,0 @@
./setuptools-40.8.0-py3.7.egg
./pip-19.0.3-py3.7.egg

1
venv/lib/python3.7/site-packages/numpy-1.18.2.dist-info/INSTALLER
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pip

56
venv/lib/python3.7/site-packages/numpy-1.18.2.dist-info/METADATA
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Metadata-Version: 2.1
Name: numpy
Version: 1.18.2
Summary: NumPy is the fundamental package for array computing with Python.
Home-page: https://www.numpy.org
Author: Travis E. Oliphant et al.
Maintainer: NumPy Developers
Maintainer-email: numpy-discussion@python.org
License: BSD
Download-URL: https://pypi.python.org/pypi/numpy
Project-URL: Bug Tracker, https://github.com/numpy/numpy/issues
Project-URL: Documentation, https://docs.scipy.org/doc/numpy/
Project-URL: Source Code, https://github.com/numpy/numpy
Platform: Windows
Platform: Linux
Platform: Solaris
Platform: Mac OS-X
Platform: Unix
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Science/Research
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved
Classifier: Programming Language :: C
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Topic :: Software Development
Classifier: Topic :: Scientific/Engineering
Classifier: Operating System :: Microsoft :: Windows
Classifier: Operating System :: POSIX
Classifier: Operating System :: Unix
Classifier: Operating System :: MacOS
Requires-Python: >=3.5
It provides:
- a powerful N-dimensional array object
- sophisticated (broadcasting) functions
- tools for integrating C/C++ and Fortran code
- useful linear algebra, Fourier transform, and random number capabilities
- and much more
Besides its obvious scientific uses, NumPy can also be used as an efficient
multi-dimensional container of generic data. Arbitrary data-types can be
defined. This allows NumPy to seamlessly and speedily integrate with a wide
variety of databases.
All NumPy wheels distributed on PyPI are BSD licensed.

852
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f2py = numpy.f2py.f2py2e:main
f2py3 = numpy.f2py.f2py2e:main
f2py3.7 = numpy.f2py.f2py2e:main

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numpy

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free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
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state the exclusion of warranty; and each file should have at least
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<one line to give the program's name and a brief idea of what it does.>
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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>.

40
venv/lib/python3.7/site-packages/numpy/__config__.py
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@ -1,40 +0,0 @@
# 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
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@ -1,260 +0,0 @@
"""
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

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@ -1,10 +0,0 @@
""" 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.
"""

81
venv/lib/python3.7/site-packages/numpy/_globals.py
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@ -1,81 +0,0 @@
"""
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()

214
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@ -1,214 +0,0 @@
"""
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

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"""
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__)

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"""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) + ')'

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"""
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__))

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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)

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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))

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"""
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

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"""
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

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"""
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

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"""
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

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"""
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__))

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"""
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)
)

877
venv/lib/python3.7/site-packages/numpy/core/_internal.py
View File

@ -1,877 +0,0 @@
"""
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)

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venv/lib/python3.7/site-packages/numpy/core/_methods.py
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"""
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)

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"""
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

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"""
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

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"""
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()

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"""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))

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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)

254
venv/lib/python3.7/site-packages/numpy/core/generate_numpy_api.py
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@ -1,254 +0,0 @@
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

548
venv/lib/python3.7/site-packages/numpy/core/getlimits.py
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@ -1,548 +0,0 @@
"""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)

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@ -1,326 +0,0 @@
#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

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#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;
}

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#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

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#ifndef Py_ARRAYOBJECT_H
#define Py_ARRAYOBJECT_H
#include "ndarrayobject.h"
#include "npy_interrupt.h"
#ifdef NPY_NO_PREFIX
#include "noprefix.h"
#endif
#endif

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#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

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#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

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/*
* 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 */

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#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

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#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

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@ -1,577 +0,0 @@
/*
* 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_ */

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/*
* 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

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