483 lines
11 KiB
Python
483 lines
11 KiB
Python
from collections.abc import Iterable
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from typing import (
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Any,
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NamedTuple,
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Never,
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SupportsIndex,
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SupportsInt,
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TypeAlias,
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TypeVar,
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overload,
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)
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from typing import Literal as L
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import numpy as np
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from numpy import (
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complex128,
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complexfloating,
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float64,
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# other
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floating,
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int32,
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object_,
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signedinteger,
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timedelta64,
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unsignedinteger,
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# re-exports
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vecdot,
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)
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from numpy._core.fromnumeric import matrix_transpose
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from numpy._core.numeric import tensordot
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from numpy._typing import (
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ArrayLike,
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DTypeLike,
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NDArray,
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_ArrayLike,
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_ArrayLikeBool_co,
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_ArrayLikeComplex_co,
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_ArrayLikeFloat_co,
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_ArrayLikeInt_co,
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_ArrayLikeObject_co,
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_ArrayLikeTD64_co,
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_ArrayLikeUInt_co,
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)
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from numpy.linalg import LinAlgError
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__all__ = [
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"matrix_power",
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"solve",
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"tensorsolve",
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"tensorinv",
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"inv",
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"cholesky",
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"eigvals",
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"eigvalsh",
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"pinv",
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"slogdet",
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"det",
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"svd",
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"svdvals",
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"eig",
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"eigh",
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"lstsq",
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"norm",
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"qr",
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"cond",
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"matrix_rank",
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"LinAlgError",
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"multi_dot",
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"trace",
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"diagonal",
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"cross",
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"outer",
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"tensordot",
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"matmul",
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"matrix_transpose",
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"matrix_norm",
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"vector_norm",
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"vecdot",
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]
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_ArrayT = TypeVar("_ArrayT", bound=NDArray[Any])
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_ModeKind: TypeAlias = L["reduced", "complete", "r", "raw"]
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###
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fortran_int = np.intc
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class EigResult(NamedTuple):
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eigenvalues: NDArray[Any]
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eigenvectors: NDArray[Any]
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class EighResult(NamedTuple):
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eigenvalues: NDArray[Any]
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eigenvectors: NDArray[Any]
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class QRResult(NamedTuple):
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Q: NDArray[Any]
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R: NDArray[Any]
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class SlogdetResult(NamedTuple):
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# TODO: `sign` and `logabsdet` are scalars for input 2D arrays and
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# a `(x.ndim - 2)`` dimensionl arrays otherwise
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sign: Any
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logabsdet: Any
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class SVDResult(NamedTuple):
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U: NDArray[Any]
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S: NDArray[Any]
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Vh: NDArray[Any]
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@overload
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def tensorsolve(
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a: _ArrayLikeInt_co,
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b: _ArrayLikeInt_co,
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axes: Iterable[int] | None = ...,
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) -> NDArray[float64]: ...
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@overload
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def tensorsolve(
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a: _ArrayLikeFloat_co,
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b: _ArrayLikeFloat_co,
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axes: Iterable[int] | None = ...,
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) -> NDArray[floating]: ...
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@overload
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def tensorsolve(
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a: _ArrayLikeComplex_co,
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b: _ArrayLikeComplex_co,
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axes: Iterable[int] | None = ...,
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) -> NDArray[complexfloating]: ...
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@overload
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def solve(
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a: _ArrayLikeInt_co,
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b: _ArrayLikeInt_co,
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) -> NDArray[float64]: ...
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@overload
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def solve(
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a: _ArrayLikeFloat_co,
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b: _ArrayLikeFloat_co,
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) -> NDArray[floating]: ...
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@overload
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def solve(
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a: _ArrayLikeComplex_co,
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b: _ArrayLikeComplex_co,
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) -> NDArray[complexfloating]: ...
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@overload
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def tensorinv(
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a: _ArrayLikeInt_co,
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ind: int = ...,
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) -> NDArray[float64]: ...
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@overload
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def tensorinv(
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a: _ArrayLikeFloat_co,
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ind: int = ...,
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) -> NDArray[floating]: ...
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@overload
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def tensorinv(
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a: _ArrayLikeComplex_co,
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ind: int = ...,
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) -> NDArray[complexfloating]: ...
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@overload
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def inv(a: _ArrayLikeInt_co) -> NDArray[float64]: ...
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@overload
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def inv(a: _ArrayLikeFloat_co) -> NDArray[floating]: ...
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@overload
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def inv(a: _ArrayLikeComplex_co) -> NDArray[complexfloating]: ...
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# TODO: The supported input and output dtypes are dependent on the value of `n`.
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# For example: `n < 0` always casts integer types to float64
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def matrix_power(
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a: _ArrayLikeComplex_co | _ArrayLikeObject_co,
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n: SupportsIndex,
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) -> NDArray[Any]: ...
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@overload
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def cholesky(a: _ArrayLikeInt_co, /, *, upper: bool = False) -> NDArray[float64]: ...
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@overload
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def cholesky(a: _ArrayLikeFloat_co, /, *, upper: bool = False) -> NDArray[floating]: ...
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@overload
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def cholesky(a: _ArrayLikeComplex_co, /, *, upper: bool = False) -> NDArray[complexfloating]: ...
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@overload
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def outer(x1: _ArrayLike[Never], x2: _ArrayLike[Never]) -> NDArray[Any]: ...
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@overload
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def outer(x1: _ArrayLikeBool_co, x2: _ArrayLikeBool_co) -> NDArray[np.bool]: ...
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@overload
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def outer(x1: _ArrayLikeUInt_co, x2: _ArrayLikeUInt_co) -> NDArray[unsignedinteger]: ...
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@overload
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def outer(x1: _ArrayLikeInt_co, x2: _ArrayLikeInt_co) -> NDArray[signedinteger]: ...
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@overload
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def outer(x1: _ArrayLikeFloat_co, x2: _ArrayLikeFloat_co) -> NDArray[floating]: ...
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@overload
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def outer(
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x1: _ArrayLikeComplex_co,
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x2: _ArrayLikeComplex_co,
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) -> NDArray[complexfloating]: ...
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@overload
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def outer(
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x1: _ArrayLikeTD64_co,
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x2: _ArrayLikeTD64_co,
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out: None = ...,
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) -> NDArray[timedelta64]: ...
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@overload
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def outer(x1: _ArrayLikeObject_co, x2: _ArrayLikeObject_co) -> NDArray[object_]: ...
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@overload
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def outer(
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x1: _ArrayLikeComplex_co | _ArrayLikeTD64_co | _ArrayLikeObject_co,
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x2: _ArrayLikeComplex_co | _ArrayLikeTD64_co | _ArrayLikeObject_co,
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) -> _ArrayT: ...
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@overload
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def qr(a: _ArrayLikeInt_co, mode: _ModeKind = ...) -> QRResult: ...
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@overload
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def qr(a: _ArrayLikeFloat_co, mode: _ModeKind = ...) -> QRResult: ...
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@overload
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def qr(a: _ArrayLikeComplex_co, mode: _ModeKind = ...) -> QRResult: ...
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@overload
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def eigvals(a: _ArrayLikeInt_co) -> NDArray[float64] | NDArray[complex128]: ...
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@overload
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def eigvals(a: _ArrayLikeFloat_co) -> NDArray[floating] | NDArray[complexfloating]: ...
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@overload
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def eigvals(a: _ArrayLikeComplex_co) -> NDArray[complexfloating]: ...
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@overload
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def eigvalsh(a: _ArrayLikeInt_co, UPLO: L["L", "U", "l", "u"] = ...) -> NDArray[float64]: ...
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@overload
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def eigvalsh(a: _ArrayLikeComplex_co, UPLO: L["L", "U", "l", "u"] = ...) -> NDArray[floating]: ...
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@overload
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def eig(a: _ArrayLikeInt_co) -> EigResult: ...
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@overload
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def eig(a: _ArrayLikeFloat_co) -> EigResult: ...
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@overload
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def eig(a: _ArrayLikeComplex_co) -> EigResult: ...
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@overload
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def eigh(
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a: _ArrayLikeInt_co,
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UPLO: L["L", "U", "l", "u"] = ...,
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) -> EighResult: ...
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@overload
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def eigh(
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a: _ArrayLikeFloat_co,
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UPLO: L["L", "U", "l", "u"] = ...,
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) -> EighResult: ...
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@overload
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def eigh(
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a: _ArrayLikeComplex_co,
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UPLO: L["L", "U", "l", "u"] = ...,
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) -> EighResult: ...
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@overload
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def svd(
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a: _ArrayLikeInt_co,
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full_matrices: bool = ...,
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compute_uv: L[True] = ...,
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hermitian: bool = ...,
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) -> SVDResult: ...
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@overload
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def svd(
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a: _ArrayLikeFloat_co,
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full_matrices: bool = ...,
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compute_uv: L[True] = ...,
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hermitian: bool = ...,
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) -> SVDResult: ...
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@overload
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def svd(
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a: _ArrayLikeComplex_co,
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full_matrices: bool = ...,
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compute_uv: L[True] = ...,
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hermitian: bool = ...,
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) -> SVDResult: ...
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@overload
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def svd(
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a: _ArrayLikeInt_co,
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full_matrices: bool = ...,
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compute_uv: L[False] = ...,
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hermitian: bool = ...,
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) -> NDArray[float64]: ...
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@overload
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def svd(
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a: _ArrayLikeComplex_co,
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full_matrices: bool = ...,
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compute_uv: L[False] = ...,
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hermitian: bool = ...,
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) -> NDArray[floating]: ...
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def svdvals(
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x: _ArrayLikeInt_co | _ArrayLikeFloat_co | _ArrayLikeComplex_co
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) -> NDArray[floating]: ...
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# TODO: Returns a scalar for 2D arrays and
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# a `(x.ndim - 2)`` dimensionl array otherwise
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def cond(x: _ArrayLikeComplex_co, p: float | L["fro", "nuc"] | None = ...) -> Any: ...
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# TODO: Returns `int` for <2D arrays and `intp` otherwise
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def matrix_rank(
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A: _ArrayLikeComplex_co,
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tol: _ArrayLikeFloat_co | None = ...,
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hermitian: bool = ...,
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*,
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rtol: _ArrayLikeFloat_co | None = ...,
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) -> Any: ...
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@overload
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def pinv(
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a: _ArrayLikeInt_co,
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rcond: _ArrayLikeFloat_co = ...,
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hermitian: bool = ...,
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) -> NDArray[float64]: ...
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@overload
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def pinv(
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a: _ArrayLikeFloat_co,
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rcond: _ArrayLikeFloat_co = ...,
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hermitian: bool = ...,
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) -> NDArray[floating]: ...
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@overload
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def pinv(
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a: _ArrayLikeComplex_co,
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rcond: _ArrayLikeFloat_co = ...,
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hermitian: bool = ...,
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) -> NDArray[complexfloating]: ...
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# TODO: Returns a 2-tuple of scalars for 2D arrays and
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# a 2-tuple of `(a.ndim - 2)`` dimensionl arrays otherwise
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def slogdet(a: _ArrayLikeComplex_co) -> SlogdetResult: ...
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# TODO: Returns a 2-tuple of scalars for 2D arrays and
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# a 2-tuple of `(a.ndim - 2)`` dimensionl arrays otherwise
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def det(a: _ArrayLikeComplex_co) -> Any: ...
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@overload
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def lstsq(a: _ArrayLikeInt_co, b: _ArrayLikeInt_co, rcond: float | None = ...) -> tuple[
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NDArray[float64],
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NDArray[float64],
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int32,
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NDArray[float64],
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]: ...
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@overload
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def lstsq(a: _ArrayLikeFloat_co, b: _ArrayLikeFloat_co, rcond: float | None = ...) -> tuple[
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NDArray[floating],
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NDArray[floating],
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int32,
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NDArray[floating],
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]: ...
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@overload
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def lstsq(a: _ArrayLikeComplex_co, b: _ArrayLikeComplex_co, rcond: float | None = ...) -> tuple[
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NDArray[complexfloating],
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NDArray[floating],
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int32,
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NDArray[floating],
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]: ...
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@overload
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def norm(
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x: ArrayLike,
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ord: float | L["fro", "nuc"] | None = ...,
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axis: None = ...,
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keepdims: bool = ...,
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) -> floating: ...
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@overload
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def norm(
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x: ArrayLike,
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ord: float | L["fro", "nuc"] | None = ...,
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axis: SupportsInt | SupportsIndex | tuple[int, ...] = ...,
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keepdims: bool = ...,
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) -> Any: ...
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@overload
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def matrix_norm(
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x: ArrayLike,
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/,
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*,
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ord: float | L["fro", "nuc"] | None = ...,
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keepdims: bool = ...,
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) -> floating: ...
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@overload
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def matrix_norm(
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x: ArrayLike,
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/,
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*,
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ord: float | L["fro", "nuc"] | None = ...,
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keepdims: bool = ...,
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) -> Any: ...
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@overload
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def vector_norm(
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x: ArrayLike,
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/,
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*,
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axis: None = ...,
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ord: float | None = ...,
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keepdims: bool = ...,
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) -> floating: ...
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@overload
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def vector_norm(
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x: ArrayLike,
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/,
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*,
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axis: SupportsInt | SupportsIndex | tuple[int, ...] = ...,
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ord: float | None = ...,
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keepdims: bool = ...,
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) -> Any: ...
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# TODO: Returns a scalar or array
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def multi_dot(
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arrays: Iterable[_ArrayLikeComplex_co | _ArrayLikeObject_co | _ArrayLikeTD64_co],
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*,
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out: NDArray[Any] | None = ...,
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) -> Any: ...
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def diagonal(
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x: ArrayLike, # >= 2D array
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/,
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*,
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offset: SupportsIndex = ...,
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) -> NDArray[Any]: ...
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def trace(
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x: ArrayLike, # >= 2D array
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/,
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*,
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offset: SupportsIndex = ...,
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dtype: DTypeLike = ...,
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) -> Any: ...
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@overload
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def cross(
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x1: _ArrayLikeUInt_co,
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x2: _ArrayLikeUInt_co,
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/,
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*,
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axis: int = ...,
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) -> NDArray[unsignedinteger]: ...
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@overload
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def cross(
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x1: _ArrayLikeInt_co,
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x2: _ArrayLikeInt_co,
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/,
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*,
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axis: int = ...,
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) -> NDArray[signedinteger]: ...
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@overload
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def cross(
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x1: _ArrayLikeFloat_co,
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x2: _ArrayLikeFloat_co,
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/,
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*,
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axis: int = ...,
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) -> NDArray[floating]: ...
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@overload
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def cross(
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x1: _ArrayLikeComplex_co,
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x2: _ArrayLikeComplex_co,
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/,
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*,
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axis: int = ...,
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) -> NDArray[complexfloating]: ...
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@overload
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def matmul(
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x1: _ArrayLikeInt_co,
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x2: _ArrayLikeInt_co,
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) -> NDArray[signedinteger]: ...
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@overload
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def matmul(
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x1: _ArrayLikeUInt_co,
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x2: _ArrayLikeUInt_co,
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) -> NDArray[unsignedinteger]: ...
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@overload
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def matmul(
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x1: _ArrayLikeFloat_co,
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x2: _ArrayLikeFloat_co,
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) -> NDArray[floating]: ...
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@overload
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def matmul(
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x1: _ArrayLikeComplex_co,
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x2: _ArrayLikeComplex_co,
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) -> NDArray[complexfloating]: ...
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