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MAINT, ENH: Implement calling pocketfft via gufunc and allow out argument #25536

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Merged
merged 4 commits into from
Jan 19, 2024
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MAINT, ENH: Implement calling pocketfft via gufunc and allow out argument #25536

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a8813cc
MAINT: Separate out pocketfft from the numpy additions
mhvk Jan 3, 2024
64aa994
MAINT: put back guards against allocating zero bytes
mhvk Jan 3, 2024
0ac6bde
MAINT: mark pocketfft interface visibility hidden
mhvk Jan 19, 2024
570f272
MAINT,ENH: Add FFT gufuncs, use them, and add option to provide out.
mhvk Jan 3, 2024
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206 changes: 149 additions & 57 deletions numpy/fft/_pocketfft.py
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14 changes: 14 additions & 0 deletions numpy/fft/_pocketfft.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -13,27 +13,31 @@ def fft(
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def ifft(
a: ArrayLike,
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def rfft(
a: ArrayLike,
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def irfft(
a: ArrayLike,
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[float64] = ...,
) -> NDArray[float64]: ...

# Input array must be compatible with `np.conjugate`
Expand All @@ -42,67 +46,77 @@ def hfft(
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[float64] = ...,
) -> NDArray[float64]: ...

def ihfft(
a: ArrayLike,
n: None | int = ...,
axis: int = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def fftn(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def ifftn(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def rfftn(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def irfftn(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[float64] = ...,
) -> NDArray[float64]: ...

def fft2(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def ifft2(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def rfft2(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[complex128] = ...,
) -> NDArray[complex128]: ...

def irfft2(
a: ArrayLike,
s: None | Sequence[int] = ...,
axes: None | Sequence[int] = ...,
norm: _NormKind = ...,
out: None | NDArray[float64] = ...,
) -> NDArray[float64]: ...
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