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ENH: cupy: make isin accept int scalars #396

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Merged
ev-br merged 1 commit into from
Feb 24, 2026
Merged

ENH: cupy: make isin accept int scalars #396

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11 changes: 10 additions & 1 deletion array_api_compat/cupy/_aliases.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,15 @@ def searchsorted(
return cp.searchsorted(x1, x2, side, sorter)


# CuPy isin does not accept scalars
def isin(x1: Array | int, x2: Array | int, /, *, invert: bool = False, **kwds) -> Array:
if isinstance(x1, int):
x1 = cp.asarray(x1)
if isinstance(x2, int):
x2 = cp.asarray(x2)
return cp.isin(x1, x2, invert=invert, **kwds)


# These functions are completely new here. If the library already has them
# (i.e., numpy 2.0), use the library version instead of our wrapper.
if hasattr(cp, 'vecdot'):
Expand All @@ -191,7 +200,7 @@ def searchsorted(
'bool', 'concat', 'count_nonzero', 'pow', 'sign',
'ceil', 'floor', 'trunc', 'take_along_axis',
'broadcast_arrays', 'meshgrid',
'searchsorted',
'searchsorted', 'isin',
]


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