8000 feat: add support for specifying a data type "kind" in `astype` by lucascolley · Pull Request #848 · data-apis/array-api · GitHub
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feat: add support for specifying a data type "kind" in astype #848

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feat: add support for specifying a data type "kind" in astype #848

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2a82758
feat: `astype`: accept a kind of data type
lucascolley Oct 24, 2024
419041b
try to fix docs build
lucascolley Oct 24, 2024
302cf1a
change signature
lucascolley Oct 24, 2024
3186995
run pre-commit
lucascolley Oct 24, 2024
90aa750
address review comments
lucascolley Oct 27, 2024
41880c0
adjust wording
lucascolley Oct 28, 2024
d4450b3
add note on unspecified promotion
lucascolley Oct 28, 2024
1b056ad
improve formatting
lucascolley Oct 28, 2024
169ea5e
refactor: update guidance to generalize across data type kinds
kgryte Jan 23, 2025
ecd0f59
fix: update copy
kgryte Jan 23, 2025
b61122a
docs: update copy
kgryte Jan 23, 2025
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add note on unspecified promotion
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@lucascolley
lucascolley committed Oct 28, 2024
commit d4450b3a0a10c8dbaa20877adb53f72fef8bed78
1 change: 1 addition & 0 deletions src/array_api_stubs/_draft/data_type_functions.py
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Expand Up @@ -63,6 +63,7 @@ def astype(
- Otherwise, ``x`` should be cast to a data type of that kind, according to the type promotion rules (see :ref:`type-promotion`) and the above notes.

- Kinds must be interpreted as the lowest-precision standard data type of that kind for the purposes of type promotion. For example, ``astype(x, 'complex floating')`` will return an array with the data type ``complex64`` when ``x.dtype`` is ``float32``, since ``complex64`` is the result of promoting ``float32`` with the lowest-precision standard complex data type, ``complex64``.
- Where type promotion is unspecified and thus implementation-specific, the result is also unspecified. For example, ``astype(x, 'complex floating')``, where ``x`` has data type ``int32``.

The returned array must have the same shape as ``x``.

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