ENH: add axis tuple support to torch.expand_dims#385
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ev-br merged 1 commit intodata-apis:mainfrom Feb 23, 2026
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Pull request overview
This PR adds support for tuple values in the axis parameter of torch.expand_dims, allowing multiple dimensions to be expanded at once. This aligns with the Array API 2024.12 standard.
Changes:
- Extended
expand_dimsfunction signature to acceptaxis: int | tuple[int, ...]instead of justaxis: int - Added implementation logic to handle tuple axes by computing the expected output shape and using
torch.reshape - Added validation for duplicate axes and out-of-range axis values
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TODO check the defaults for other wrappers (numpy,cupy,dask)all seem fine