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Add complex number support to asarray #434

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Merged
merged 2 commits into from
Jun 6, 2022
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Add complex number support to asarray #434

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64b2ac0
Add complex number support to `asarray`
kgryte May 23, 2022
c1db7aa
Update copy to include all integer values
kgryte May 24, 2022
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9 changes: 5 additions & 4 deletions spec/API_specification/array_api/creation_functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,13 @@ def arange(start: Union[int, float], /, stop: Optional[Union[int, float]] = None
a one-dimensional array containing evenly spaced values. The length of the output array must be ``ceil((stop-start)/step)`` if ``stop - start`` and ``step`` have the same sign, and length ``0`` otherwise.
"""

def asarray(obj: Union[array, bool, int, float, NestedSequence, SupportsBufferProtocol], /, *, dtype: Optional[dtype] = None, device: Optional[device] = None, copy: Optional[bool] = None) -> array:
def asarray(obj: Union[array, bool, int, float, complex, NestedSequence, SupportsBufferProtocol], /, *, dtype: Optional[dtype] = None, device: Optional[device] = None, copy: Optional[bool] = None) -> array:
"""
Convert the input to an array.

Parameters
----------
obj: Union[array, bool, int, float, NestedSequence[bool | int | float], SupportsBufferProtocol]
obj: Union[array, bool, int, float, complex, NestedSequence[bool | int | float | complex], SupportsBufferProtocol]
object to be converted to an array. May be a Python scalar, a (possibly nested) sequence of Python scalars, or an object supporting the Python buffer protocol.

.. admonition:: Tip
Expand All @@ -43,10 +43,11 @@ def asarray(obj: Union[array, bool, int, float, NestedSequence, SupportsBufferPr
An object supporting the buffer protocol can be turned into a memoryview through ``memoryview(obj)``.

dtype: Optional[dtype]
output array data type. If ``dtype`` is ``None``, the output array data type must be inferred from the data type(s) in ``obj``. If all input values are Python scalars, then
output array data type. If ``dtype`` is ``None``, the output array data type must be inferred from the data type(s) in ``obj``. If all input values are Python scalars, then, in order of precedence,

- if all values are of type ``bool``, the output data type must be ``bool``.
- if the values are a mixture of ``bool``\s and ``int``, the output data type must be the default integer data type.
- if all values are of type ``int`` or are a mixture of ``bool`` and ``int``, the output data type must be the default integer data type.
- if one or more values are ``complex`` numbers, the output data type must be the default complex floating-point data type.
- if one or more values are ``float``\s, the output data type must be the default real-valued floating-point data type.

Default: ``None``.
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