58 lines
1.0 KiB
Python
58 lines
1.0 KiB
Python
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import numpy as np
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dtype_obj = np.dtype(np.str_)
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void_dtype_obj = np.dtype([("f0", np.float64), ("f1", np.float32)])
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np.dtype(dtype=np.int64)
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np.dtype(int)
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np.dtype("int")
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np.dtype(None)
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np.dtype((int, 2))
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np.dtype((int, (1,)))
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np.dtype({"names": ["a", "b"], "formats": [int, float]})
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np.dtype({"names": ["a"], "formats": [int], "titles": [object]})
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np.dtype({"names": ["a"], "formats": [int], "titles": [object()]})
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np.dtype([("name", np.unicode_, 16), ("grades", np.float64, (2,)), ("age", "int32")])
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np.dtype(
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{
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"names": ["a", "b"],
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"formats": [int, float],
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"itemsize": 9,
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"aligned": False,
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"titles": ["x", "y"],
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"offsets": [0, 1],
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}
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)
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np.dtype((np.float_, float))
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class Test:
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dtype = np.dtype(float)
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np.dtype(Test())
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# Methods and attributes
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dtype_obj.base
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dtype_obj.subdtype
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dtype_obj.newbyteorder()
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dtype_obj.type
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dtype_obj.name
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dtype_obj.names
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dtype_obj * 0
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dtype_obj * 2
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0 * dtype_obj
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2 * dtype_obj
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void_dtype_obj["f0"]
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void_dtype_obj[0]
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void_dtype_obj[["f0", "f1"]]
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void_dtype_obj[["f0"]]
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