139 lines
3.1 KiB
Python
139 lines
3.1 KiB
Python
from collections.abc import Sequence
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from typing import Literal as L
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from typing import TypeAlias
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from numpy import complex128, float64
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from numpy._typing import ArrayLike, NDArray, _ArrayLikeNumber_co
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__all__ = [
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"fft",
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"ifft",
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"rfft",
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"irfft",
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"hfft",
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"ihfft",
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"rfftn",
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"irfftn",
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"rfft2",
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"irfft2",
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"fft2",
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"ifft2",
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"fftn",
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"ifftn",
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]
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_NormKind: TypeAlias = L["backward", "ortho", "forward"] | None
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def fft(
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a: ArrayLike,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def ifft(
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a: ArrayLike,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def rfft(
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a: ArrayLike,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def irfft(
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a: ArrayLike,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[float64] | None = ...,
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) -> NDArray[float64]: ...
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# Input array must be compatible with `np.conjugate`
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def hfft(
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a: _ArrayLikeNumber_co,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[float64] | None = ...,
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) -> NDArray[float64]: ...
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def ihfft(
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a: ArrayLike,
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n: int | None = ...,
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axis: int = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def fftn(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def ifftn(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def rfftn(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def irfftn(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[float64] | None = ...,
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) -> NDArray[float64]: ...
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def fft2(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def ifft2(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def rfft2(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[complex128] | None = ...,
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) -> NDArray[complex128]: ...
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def irfft2(
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a: ArrayLike,
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s: Sequence[int] | None = ...,
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axes: Sequence[int] | None = ...,
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norm: _NormKind = ...,
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out: NDArray[float64] | None = ...,
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) -> NDArray[float64]: ...
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