| import functools as _functools |
| import sys as _sys |
|
|
| import numpy as _numpy |
|
|
| from cupy import _environment |
| from cupy import _version |
|
|
|
|
| _environment._detect_duplicate_installation() |
| _environment._setup_win32_dll_directory() |
| _environment._preload_library('cutensor') |
|
|
|
|
| try: |
| from cupy import _core |
| except ImportError as exc: |
| raise ImportError(f''' |
| ================================================================ |
| {_environment._diagnose_import_error()} |
| |
| Original error: |
| {type(exc).__name__}: {exc} |
| ================================================================ |
| ''') from exc |
|
|
|
|
| from cupy import cuda |
| |
| import cupyx as _cupyx |
|
|
|
|
| def is_available(): |
| return cuda.is_available() |
|
|
|
|
| __version__ = _version.__version__ |
|
|
|
|
| from cupy import fft |
| from cupy import linalg |
| from cupy import polynomial |
| from cupy import random |
| |
| from cupy import sparse |
| from cupy import testing |
|
|
|
|
| |
| from cupy._core import ndarray |
| from cupy._core import ufunc |
|
|
|
|
| |
| |
| |
| from numpy import e |
| from numpy import euler_gamma |
| from numpy import inf |
| from numpy import nan |
| from numpy import newaxis |
| from numpy import pi |
|
|
| |
| |
| |
| PINF = Inf = Infinity = infty = inf |
| NINF = -inf |
| NAN = NaN = nan |
| PZERO = 0.0 |
| NZERO = -0.0 |
|
|
| |
| |
| |
| |
| |
| |
|
|
| |
| |
| |
| from numpy import complexfloating |
| from numpy import floating |
| from numpy import generic |
| from numpy import inexact |
| from numpy import integer |
| from numpy import number |
| from numpy import signedinteger |
| from numpy import unsignedinteger |
|
|
| |
| |
| |
|
|
| |
| |
| |
| from numpy import bool_ |
|
|
| |
| |
| |
| from numpy import byte |
| from numpy import short |
| from numpy import intc |
| from numpy import int_ |
| from numpy import longlong |
| from numpy import intp |
| from numpy import int8 |
| from numpy import int16 |
| from numpy import int32 |
| from numpy import int64 |
|
|
| |
| |
| |
| from numpy import ubyte |
| from numpy import ushort |
| from numpy import uintc |
| from numpy import uint |
| from numpy import ulonglong |
| from numpy import uintp |
| from numpy import uint8 |
| from numpy import uint16 |
| from numpy import uint32 |
| from numpy import uint64 |
|
|
| |
| |
| |
| from numpy import half |
| from numpy import single |
| from numpy import double |
| from numpy import float64 as float_ |
| |
| from numpy import float16 |
| from numpy import float32 |
| from numpy import float64 |
|
|
| |
| |
| |
|
|
| |
| |
| |
| from numpy import csingle |
| from numpy import complex64 as singlecomplex |
| from numpy import cdouble |
| from numpy import complex128 as cfloat |
| from numpy import complex128 as complex_ |
| from numpy import complex64 |
| from numpy import complex128 |
|
|
| |
| |
| |
| |
|
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| |
| |
| |
|
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| |
| |
| |
| |
| |
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| |
| |
| |
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| |
| |
| |
| |
| |
| |
|
|
| |
| |
| |
| from cupy._creation.basic import empty |
| from cupy._creation.basic import empty_like |
| from cupy._creation.basic import eye |
| from cupy._creation.basic import full |
| from cupy._creation.basic import full_like |
| from cupy._creation.basic import identity |
| from cupy._creation.basic import ones |
| from cupy._creation.basic import ones_like |
| from cupy._creation.basic import zeros |
| from cupy._creation.basic import zeros_like |
|
|
| from cupy._creation.from_data import copy |
| from cupy._creation.from_data import array |
| from cupy._creation.from_data import asanyarray |
| from cupy._creation.from_data import asarray |
| from cupy._creation.from_data import ascontiguousarray |
| from cupy._creation.from_data import fromfile |
| from cupy._creation.from_data import fromfunction |
| from cupy._creation.from_data import fromiter |
| from cupy._creation.from_data import frombuffer |
| from cupy._creation.from_data import fromstring |
| from cupy._creation.from_data import loadtxt |
| from cupy._creation.from_data import genfromtxt |
|
|
| from cupy._creation.ranges import arange |
| from cupy._creation.ranges import linspace |
| from cupy._creation.ranges import logspace |
| from cupy._creation.ranges import meshgrid |
| from cupy._creation.ranges import mgrid |
| from cupy._creation.ranges import ogrid |
|
|
| from cupy._creation.matrix import diag |
| from cupy._creation.matrix import diagflat |
| from cupy._creation.matrix import tri |
| from cupy._creation.matrix import tril |
| from cupy._creation.matrix import triu |
| from cupy._creation.matrix import vander |
|
|
| |
| |
| |
| from cupy._functional.piecewise import piecewise |
| from cupy._functional.vectorize import vectorize |
| from cupy.lib._shape_base import apply_along_axis |
|
|
| |
| |
| |
| from cupy._manipulation.basic import copyto |
|
|
| from cupy._manipulation.shape import shape |
| from cupy._manipulation.shape import ravel |
| from cupy._manipulation.shape import reshape |
|
|
| from cupy._manipulation.transpose import moveaxis |
| from cupy._manipulation.transpose import rollaxis |
| from cupy._manipulation.transpose import swapaxes |
| from cupy._manipulation.transpose import transpose |
|
|
| from cupy._manipulation.dims import atleast_1d |
| from cupy._manipulation.dims import atleast_2d |
| from cupy._manipulation.dims import atleast_3d |
| from cupy._manipulation.dims import broadcast |
| from cupy._manipulation.dims import broadcast_arrays |
| from cupy._manipulation.dims import broadcast_to |
| from cupy._manipulation.dims import expand_dims |
| from cupy._manipulation.dims import squeeze |
|
|
| from cupy._manipulation.join import column_stack |
| from cupy._manipulation.join import concatenate |
| from cupy._manipulation.join import dstack |
| from cupy._manipulation.join import hstack |
| from cupy._manipulation.join import stack |
| from cupy._manipulation.join import vstack |
| from cupy._manipulation.join import vstack as row_stack |
|
|
| from cupy._manipulation.kind import asarray_chkfinite |
| from cupy._manipulation.kind import asfarray |
| from cupy._manipulation.kind import asfortranarray |
| from cupy._manipulation.kind import require |
|
|
| from cupy._manipulation.split import array_split |
| from cupy._manipulation.split import dsplit |
| from cupy._manipulation.split import hsplit |
| from cupy._manipulation.split import split |
| from cupy._manipulation.split import vsplit |
|
|
| from cupy._manipulation.tiling import repeat |
| from cupy._manipulation.tiling import tile |
|
|
| from cupy._manipulation.add_remove import delete |
| from cupy._manipulation.add_remove import append |
| from cupy._manipulation.add_remove import resize |
| from cupy._manipulation.add_remove import unique |
| from cupy._manipulation.add_remove import trim_zeros |
|
|
| from cupy._manipulation.rearrange import flip |
| from cupy._manipulation.rearrange import fliplr |
| from cupy._manipulation.rearrange import flipud |
| from cupy._manipulation.rearrange import roll |
| from cupy._manipulation.rearrange import rot90 |
|
|
| |
| if hasattr(_numpy, 'broadcast_shapes'): |
| from numpy import broadcast_shapes |
|
|
| |
| |
| |
| from cupy._binary.elementwise import bitwise_and |
| from cupy._binary.elementwise import bitwise_or |
| from cupy._binary.elementwise import bitwise_xor |
| from cupy._binary.elementwise import bitwise_not |
| from cupy._binary.elementwise import invert |
| from cupy._binary.elementwise import left_shift |
| from cupy._binary.elementwise import right_shift |
|
|
| from cupy._binary.packing import packbits |
| from cupy._binary.packing import unpackbits |
|
|
|
|
| def binary_repr(num, width=None): |
| """Return the binary representation of the input number as a string. |
| |
| .. seealso:: :func:`numpy.binary_repr` |
| """ |
| return _numpy.binary_repr(num, width) |
|
|
|
|
| |
| |
| |
| def can_cast(from_, to, casting='safe'): |
| """Returns True if cast between data types can occur according to the |
| casting rule. If from is a scalar or array scalar, also returns True if the |
| scalar value can be cast without overflow or truncation to an integer. |
| |
| .. seealso:: :func:`numpy.can_cast` |
| """ |
| from_ = from_.dtype if isinstance(from_, ndarray) else from_ |
| return _numpy.can_cast(from_, to, casting=casting) |
|
|
|
|
| def common_type(*arrays): |
| """Return a scalar type which is common to the input arrays. |
| |
| .. seealso:: :func:`numpy.common_type` |
| """ |
| if len(arrays) == 0: |
| return _numpy.float16 |
|
|
| default_float_dtype = _numpy.dtype('float64') |
| dtypes = [] |
| for a in arrays: |
| if a.dtype.kind == 'b': |
| raise TypeError('can\'t get common type for non-numeric array') |
| elif a.dtype.kind in 'iu': |
| dtypes.append(default_float_dtype) |
| else: |
| dtypes.append(a.dtype) |
|
|
| return _functools.reduce(_numpy.promote_types, dtypes).type |
|
|
|
|
| def result_type(*arrays_and_dtypes): |
| """Returns the type that results from applying the NumPy type promotion |
| rules to the arguments. |
| |
| .. seealso:: :func:`numpy.result_type` |
| """ |
| dtypes = [a.dtype if isinstance(a, ndarray) |
| else a for a in arrays_and_dtypes] |
| return _numpy.result_type(*dtypes) |
|
|
|
|
| from cupy._core.core import min_scalar_type |
|
|
| from numpy import promote_types |
|
|
| from numpy import dtype |
|
|
| from numpy import finfo |
| from numpy import iinfo |
|
|
| from numpy import issubdtype |
|
|
| from numpy import mintypecode |
| from numpy import typename |
|
|
| |
| |
| |
| |
|
|
| |
| |
| |
| |
|
|
| |
| |
| |
| from cupy._indexing.generate import c_ |
| from cupy._indexing.generate import indices |
| from cupy._indexing.generate import ix_ |
| from cupy._indexing.generate import mask_indices |
| from cupy._indexing.generate import tril_indices |
| from cupy._indexing.generate import tril_indices_from |
| from cupy._indexing.generate import triu_indices |
| from cupy._indexing.generate import triu_indices_from |
| from cupy._indexing.generate import r_ |
| from cupy._indexing.generate import ravel_multi_index |
| from cupy._indexing.generate import unravel_index |
|
|
| from cupy._indexing.indexing import choose |
| from cupy._indexing.indexing import compress |
| from cupy._indexing.indexing import diagonal |
| from cupy._indexing.indexing import extract |
| from cupy._indexing.indexing import select |
| from cupy._indexing.indexing import take |
| from cupy._indexing.indexing import take_along_axis |
|
|
| from cupy._indexing.insert import place |
| from cupy._indexing.insert import put |
| from cupy._indexing.insert import putmask |
| from cupy._indexing.insert import fill_diagonal |
| from cupy._indexing.insert import diag_indices |
| from cupy._indexing.insert import diag_indices_from |
|
|
| from cupy._indexing.iterate import flatiter |
|
|
| |
| from numpy import index_exp |
| from numpy import ndindex |
| from numpy import s_ |
|
|
| |
| |
| |
| from cupy._io.npz import load |
| from cupy._io.npz import save |
| from cupy._io.npz import savez |
| from cupy._io.npz import savez_compressed |
|
|
| from cupy._io.formatting import array_repr |
| from cupy._io.formatting import array_str |
| from cupy._io.formatting import array2string |
| from cupy._io.formatting import format_float_positional |
| from cupy._io.formatting import format_float_scientific |
|
|
| from cupy._io.text import savetxt |
|
|
|
|
| def base_repr(number, base=2, padding=0): |
| """Return a string representation of a number in the given base system. |
| |
| .. seealso:: :func:`numpy.base_repr` |
| """ |
| return _numpy.base_repr(number, base, padding) |
|
|
|
|
| |
| from numpy import get_printoptions |
| from numpy import set_printoptions |
| from numpy import printoptions |
|
|
|
|
| |
| |
| |
| from cupy.linalg._einsum import einsum |
|
|
| from cupy.linalg._product import cross |
| from cupy.linalg._product import dot |
| from cupy.linalg._product import inner |
| from cupy.linalg._product import kron |
| from cupy.linalg._product import matmul |
| from cupy.linalg._product import outer |
| from cupy.linalg._product import tensordot |
| from cupy.linalg._product import vdot |
|
|
| from cupy.linalg._norms import trace |
|
|
| |
| |
| |
| from cupy._logic.comparison import allclose |
| from cupy._logic.comparison import array_equal |
| from cupy._logic.comparison import array_equiv |
| from cupy._logic.comparison import isclose |
|
|
| from cupy._logic.content import isfinite |
| from cupy._logic.content import isinf |
| from cupy._logic.content import isnan |
| from cupy._logic.content import isneginf |
| from cupy._logic.content import isposinf |
|
|
| from cupy._logic.truth import in1d |
| from cupy._logic.truth import isin |
|
|
| from cupy._logic.type_testing import iscomplex |
| from cupy._logic.type_testing import iscomplexobj |
| from cupy._logic.type_testing import isfortran |
| from cupy._logic.type_testing import isreal |
| from cupy._logic.type_testing import isrealobj |
|
|
| from cupy._logic.truth import in1d |
| from cupy._logic.truth import intersect1d |
| from cupy._logic.truth import isin |
| from cupy._logic.truth import setdiff1d |
| from cupy._logic.truth import setxor1d |
| from cupy._logic.truth import union1d |
|
|
|
|
| def isscalar(element): |
| """Returns True if the type of num is a scalar type. |
| |
| .. seealso:: :func:`numpy.isscalar` |
| """ |
| return _numpy.isscalar(element) |
|
|
|
|
| from cupy._logic.ops import logical_and |
| from cupy._logic.ops import logical_not |
| from cupy._logic.ops import logical_or |
| from cupy._logic.ops import logical_xor |
|
|
| from cupy._logic.comparison import equal |
| from cupy._logic.comparison import greater |
| from cupy._logic.comparison import greater_equal |
| from cupy._logic.comparison import less |
| from cupy._logic.comparison import less_equal |
| from cupy._logic.comparison import not_equal |
|
|
| from cupy._logic.truth import all |
| from cupy._logic.truth import alltrue |
| from cupy._logic.truth import any |
| from cupy._logic.truth import sometrue |
|
|
| |
| |
| |
| from cupy.lib._polynomial import poly1d |
| from cupy.lib._routines_poly import poly |
| from cupy.lib._routines_poly import polyadd |
| from cupy.lib._routines_poly import polysub |
| from cupy.lib._routines_poly import polymul |
| from cupy.lib._routines_poly import polyfit |
| from cupy.lib._routines_poly import polyval |
| from cupy.lib._routines_poly import roots |
|
|
| |
| from cupy.exceptions import RankWarning |
|
|
| |
| |
| |
| from cupy._math.trigonometric import arccos |
| from cupy._math.trigonometric import arcsin |
| from cupy._math.trigonometric import arctan |
| from cupy._math.trigonometric import arctan2 |
| from cupy._math.trigonometric import cos |
| from cupy._math.trigonometric import deg2rad |
| from cupy._math.trigonometric import degrees |
| from cupy._math.trigonometric import hypot |
| from cupy._math.trigonometric import rad2deg |
| from cupy._math.trigonometric import radians |
| from cupy._math.trigonometric import sin |
| from cupy._math.trigonometric import tan |
| from cupy._math.trigonometric import unwrap |
|
|
| from cupy._math.hyperbolic import arccosh |
| from cupy._math.hyperbolic import arcsinh |
| from cupy._math.hyperbolic import arctanh |
| from cupy._math.hyperbolic import cosh |
| from cupy._math.hyperbolic import sinh |
| from cupy._math.hyperbolic import tanh |
|
|
| from cupy._math.rounding import around |
| from cupy._math.rounding import ceil |
| from cupy._math.rounding import fix |
| from cupy._math.rounding import floor |
| from cupy._math.rounding import rint |
| from cupy._math.rounding import round |
| from cupy._math.rounding import round_ |
| from cupy._math.rounding import trunc |
|
|
| from cupy._math.sumprod import prod |
| from cupy._math.sumprod import product |
| from cupy._math.sumprod import sum |
| from cupy._math.sumprod import cumprod |
| from cupy._math.sumprod import cumproduct |
| from cupy._math.sumprod import cumsum |
| from cupy._math.sumprod import ediff1d |
| from cupy._math.sumprod import nancumprod |
| from cupy._math.sumprod import nancumsum |
| from cupy._math.sumprod import nansum |
| from cupy._math.sumprod import nanprod |
| from cupy._math.sumprod import diff |
| from cupy._math.sumprod import gradient |
| from cupy._math.sumprod import trapz |
| from cupy._math.window import bartlett |
| from cupy._math.window import blackman |
| from cupy._math.window import hamming |
| from cupy._math.window import hanning |
| from cupy._math.window import kaiser |
|
|
| from cupy._math.explog import exp |
| from cupy._math.explog import exp2 |
| from cupy._math.explog import expm1 |
| from cupy._math.explog import log |
| from cupy._math.explog import log10 |
| from cupy._math.explog import log1p |
| from cupy._math.explog import log2 |
| from cupy._math.explog import logaddexp |
| from cupy._math.explog import logaddexp2 |
|
|
| from cupy._math.special import i0 |
| from cupy._math.special import sinc |
|
|
| from cupy._math.floating import copysign |
| from cupy._math.floating import frexp |
| from cupy._math.floating import ldexp |
| from cupy._math.floating import nextafter |
| from cupy._math.floating import signbit |
|
|
| from cupy._math.rational import gcd |
| from cupy._math.rational import lcm |
|
|
| from cupy._math.arithmetic import add |
| from cupy._math.arithmetic import divide |
| from cupy._math.arithmetic import divmod |
| from cupy._math.arithmetic import floor_divide |
| from cupy._math.arithmetic import float_power |
| from cupy._math.arithmetic import fmod |
| from cupy._math.arithmetic import modf |
| from cupy._math.arithmetic import multiply |
| from cupy._math.arithmetic import negative |
| from cupy._math.arithmetic import positive |
| from cupy._math.arithmetic import power |
| from cupy._math.arithmetic import reciprocal |
| from cupy._math.arithmetic import remainder |
| from cupy._math.arithmetic import remainder as mod |
| from cupy._math.arithmetic import subtract |
| from cupy._math.arithmetic import true_divide |
|
|
| from cupy._math.arithmetic import angle |
| from cupy._math.arithmetic import conjugate as conj |
| from cupy._math.arithmetic import conjugate |
| from cupy._math.arithmetic import imag |
| from cupy._math.arithmetic import real |
|
|
| from cupy._math.misc import absolute as abs |
| from cupy._math.misc import absolute |
| from cupy._math.misc import cbrt |
| from cupy._math.misc import clip |
| from cupy._math.misc import fabs |
| from cupy._math.misc import fmax |
| from cupy._math.misc import fmin |
| from cupy._math.misc import interp |
| from cupy._math.misc import maximum |
| from cupy._math.misc import minimum |
| from cupy._math.misc import nan_to_num |
| from cupy._math.misc import real_if_close |
| from cupy._math.misc import sign |
| from cupy._math.misc import heaviside |
| from cupy._math.misc import sqrt |
| from cupy._math.misc import square |
| from cupy._math.misc import convolve |
|
|
| |
| |
| |
| from cupy._misc.byte_bounds import byte_bounds |
| from cupy._misc.memory_ranges import may_share_memory |
| from cupy._misc.memory_ranges import shares_memory |
| from cupy._misc.who import who |
|
|
| |
| from numpy import iterable |
| from cupy.exceptions import AxisError |
|
|
|
|
| |
| |
| |
| from cupy._padding.pad import pad |
|
|
|
|
| |
| |
| |
| from cupy._sorting.count import count_nonzero |
|
|
| from cupy._sorting.search import argmax |
| from cupy._sorting.search import argmin |
| from cupy._sorting.search import argwhere |
| from cupy._sorting.search import flatnonzero |
| from cupy._sorting.search import nanargmax |
| from cupy._sorting.search import nanargmin |
| from cupy._sorting.search import nonzero |
| from cupy._sorting.search import searchsorted |
| from cupy._sorting.search import where |
|
|
| from cupy._sorting.sort import argpartition |
| from cupy._sorting.sort import argsort |
| from cupy._sorting.sort import lexsort |
| from cupy._sorting.sort import msort |
| from cupy._sorting.sort import sort_complex |
| from cupy._sorting.sort import partition |
| from cupy._sorting.sort import sort |
|
|
| |
| |
| |
| from cupy._statistics.correlation import corrcoef |
| from cupy._statistics.correlation import cov |
| from cupy._statistics.correlation import correlate |
|
|
| from cupy._statistics.order import amax |
| from cupy._statistics.order import amax as max |
| from cupy._statistics.order import amin |
| from cupy._statistics.order import amin as min |
| from cupy._statistics.order import nanmax |
| from cupy._statistics.order import nanmin |
| from cupy._statistics.order import percentile |
| from cupy._statistics.order import ptp |
| from cupy._statistics.order import quantile |
|
|
| from cupy._statistics.meanvar import median |
| from cupy._statistics.meanvar import average |
| from cupy._statistics.meanvar import mean |
| from cupy._statistics.meanvar import std |
| from cupy._statistics.meanvar import var |
| from cupy._statistics.meanvar import nanmedian |
| from cupy._statistics.meanvar import nanmean |
| from cupy._statistics.meanvar import nanstd |
| from cupy._statistics.meanvar import nanvar |
|
|
| from cupy._statistics.histogram import bincount |
| from cupy._statistics.histogram import digitize |
| from cupy._statistics.histogram import histogram |
| from cupy._statistics.histogram import histogram2d |
| from cupy._statistics.histogram import histogramdd |
|
|
| |
| |
| |
| from cupy.exceptions import ComplexWarning |
| from cupy.exceptions import ModuleDeprecationWarning |
| from cupy.exceptions import TooHardError |
| from cupy.exceptions import VisibleDeprecationWarning |
|
|
|
|
| |
| |
| |
| from cupy._core import size |
|
|
|
|
| def ndim(a): |
| """Returns the number of dimensions of an array. |
| |
| Args: |
| a (array-like): If it is not already an `cupy.ndarray`, a conversion |
| via :func:`numpy.asarray` is attempted. |
| |
| Returns: |
| (int): The number of dimensions in `a`. |
| |
| """ |
| try: |
| return a.ndim |
| except AttributeError: |
| return _numpy.ndim(a) |
|
|
|
|
| |
| |
| |
|
|
| from cupy._util import clear_memo |
| from cupy._util import memoize |
|
|
| from cupy._core import ElementwiseKernel |
| from cupy._core import RawKernel |
| from cupy._core import RawModule |
| from cupy._core._reduction import ReductionKernel |
|
|
| |
| |
| |
|
|
| from cupy._core import fromDlpack |
| from cupy._core import from_dlpack |
|
|
|
|
| def asnumpy(a, stream=None, order='C', out=None, *, blocking=True): |
| """Returns an array on the host memory from an arbitrary source array. |
| |
| Args: |
| a: Arbitrary object that can be converted to :class:`numpy.ndarray`. |
| stream (cupy.cuda.Stream): CUDA stream object. If given, the |
| stream is used to perform the copy. Otherwise, the current |
| stream is used. Note that if ``a`` is not a :class:`cupy.ndarray` |
| object, then this argument has no effect. |
| order ({'C', 'F', 'A'}): The desired memory layout of the host |
| array. When ``order`` is 'A', it uses 'F' if the array is |
| fortran-contiguous and 'C' otherwise. The ``order`` will be |
| ignored if ``out`` is specified. |
| out (numpy.ndarray): The output array to be written to. It must have |
| compatible shape and dtype with those of ``a``'s. |
| blocking (bool): If set to ``False``, the copy runs asynchronously |
| on the given (if given) or current stream, and users are |
| responsible for ensuring the stream order. Default is ``True``, |
| so the copy is synchronous (with respect to the host). |
| |
| Returns: |
| numpy.ndarray: Converted array on the host memory. |
| |
| """ |
| if isinstance(a, ndarray): |
| return a.get(stream=stream, order=order, out=out, blocking=blocking) |
| elif hasattr(a, "__cuda_array_interface__"): |
| return array(a).get( |
| stream=stream, order=order, out=out, blocking=blocking) |
| else: |
| temp = _numpy.asarray(a, order=order) |
| if out is not None: |
| out[...] = temp |
| else: |
| out = temp |
| return out |
|
|
|
|
| _cupy = _sys.modules[__name__] |
|
|
|
|
| def get_array_module(*args): |
| """Returns the array module for arguments. |
| |
| This function is used to implement CPU/GPU generic code. If at least one of |
| the arguments is a :class:`cupy.ndarray` object, the :mod:`cupy` module is |
| returned. |
| |
| Args: |
| args: Values to determine whether NumPy or CuPy should be used. |
| |
| Returns: |
| module: :mod:`cupy` or :mod:`numpy` is returned based on the types of |
| the arguments. |
| |
| .. admonition:: Example |
| |
| A NumPy/CuPy generic function can be written as follows |
| |
| >>> def softplus(x): |
| ... xp = cupy.get_array_module(x) |
| ... return xp.maximum(0, x) + xp.log1p(xp.exp(-abs(x))) |
| |
| """ |
| for arg in args: |
| if isinstance(arg, (ndarray, _cupyx.scipy.sparse.spmatrix, |
| _core.fusion._FusionVarArray, |
| _core.new_fusion._ArrayProxy)): |
| return _cupy |
| return _numpy |
|
|
|
|
| fuse = _core.fusion.fuse |
|
|
| disable_experimental_feature_warning = False |
|
|
|
|
| |
| _default_memory_pool = cuda.MemoryPool() |
| _default_pinned_memory_pool = cuda.PinnedMemoryPool() |
|
|
| cuda.set_allocator(_default_memory_pool.malloc) |
| cuda.set_pinned_memory_allocator(_default_pinned_memory_pool.malloc) |
|
|
|
|
| def get_default_memory_pool(): |
| """Returns CuPy default memory pool for GPU memory. |
| |
| Returns: |
| cupy.cuda.MemoryPool: The memory pool object. |
| |
| .. note:: |
| If you want to disable memory pool, please use the following code. |
| |
| >>> cupy.cuda.set_allocator(None) |
| |
| """ |
| return _default_memory_pool |
|
|
|
|
| def get_default_pinned_memory_pool(): |
| """Returns CuPy default memory pool for pinned memory. |
| |
| Returns: |
| cupy.cuda.PinnedMemoryPool: The memory pool object. |
| |
| .. note:: |
| If you want to disable memory pool, please use the following code. |
| |
| >>> cupy.cuda.set_pinned_memory_allocator(None) |
| |
| """ |
| return _default_pinned_memory_pool |
|
|
|
|
| def show_config(*, _full=False): |
| """Prints the current runtime configuration to standard output.""" |
| _sys.stdout.write(str(_cupyx.get_runtime_info(full=_full))) |
| _sys.stdout.flush() |
|
|
|
|
| _deprecated_apis = [ |
| 'int0', |
| 'uint0', |
| 'bool8', |
| ] |
|
|
|
|
| |
|
|
| |
| def issubclass_(arg1, arg2): |
| try: |
| return issubclass(arg1, arg2) |
| except TypeError: |
| return False |
|
|
| |
|
|
|
|
| def obj2sctype(rep, default=None): |
| """ |
| Return the scalar dtype or NumPy equivalent of Python type of an object. |
| |
| Parameters |
| ---------- |
| rep : any |
| The object of which the type is returned. |
| default : any, optional |
| If given, this is returned for objects whose types can not be |
| determined. If not given, None is returned for those objects. |
| |
| Returns |
| ------- |
| dtype : dtype or Python type |
| The data type of `rep`. |
| |
| """ |
| |
| if isinstance(rep, type) and issubclass(rep, _numpy.generic): |
| return rep |
| |
| if isinstance(rep, _numpy.ndarray): |
| return rep.dtype.type |
| |
| try: |
| res = _numpy.dtype(rep) |
| except Exception: |
| return default |
| else: |
| return res.type |
|
|
|
|
| |
| def issubsctype(arg1, arg2): |
| """ |
| Determine if the first argument is a subclass of the second argument. |
| |
| Parameters |
| ---------- |
| arg1, arg2 : dtype or dtype specifier |
| Data-types. |
| |
| Returns |
| ------- |
| out : bool |
| The result. |
| |
| """ |
| return issubclass(obj2sctype(arg1), obj2sctype(arg2)) |
|
|
|
|
| |
| def sctype2char(sctype): |
| """ |
| Return the string representation of a scalar dtype. |
| |
| Parameters |
| ---------- |
| sctype : scalar dtype or object |
| If a scalar dtype, the corresponding string character is |
| returned. If an object, `sctype2char` tries to infer its scalar type |
| and then return the corresponding string character. |
| |
| Returns |
| ------- |
| typechar : str |
| The string character corresponding to the scalar type. |
| |
| Raises |
| ------ |
| ValueError |
| If `sctype` is an object for which the type can not be inferred. |
| |
| """ |
| sctype = obj2sctype(sctype) |
| if sctype is None: |
| raise ValueError("unrecognized type") |
| return _numpy.dtype(sctype).char |
|
|
|
|
| |
| def issctype(rep): |
| """ |
| Determines whether the given object represents a scalar data-type. |
| |
| Parameters |
| ---------- |
| rep : any |
| If `rep` is an instance of a scalar dtype, True is returned. If not, |
| False is returned. |
| |
| Returns |
| ------- |
| out : bool |
| Boolean result of check whether `rep` is a scalar dtype. |
| |
| """ |
| if not isinstance(rep, (type, _numpy.dtype)): |
| return False |
| try: |
| res = obj2sctype(rep) |
| if res and res != _numpy.object_: |
| return True |
| return False |
| except Exception: |
| return False |
|
|
|
|
| |
| if _numpy.__version__ < "2": |
| from numpy import format_parser |
| from numpy import DataSource |
| else: |
| from numpy.rec import format_parser |
| from numpy.lib.npyio import DataSource |
|
|
|
|
| |
| if _numpy.__version__ < "2": |
| from numpy import find_common_type |
| from numpy import set_string_function |
| from numpy import get_array_wrap |
| from numpy import disp |
| from numpy import safe_eval |
| else: |
|
|
| _template = '''\ |
| ''This function has been removed in NumPy v2. |
| Use {recommendation} instead. |
| |
| CuPy has been providing this function as an alias to the NumPy |
| implementation, so it cannot be used in environments with NumPy |
| v2 installed. If you rely on this function and you cannot modify |
| the code to use {recommendation}, please downgrade NumPy to v1.26 |
| or earlier. |
| ''' |
|
|
| def find_common_type(*args, **kwds): |
| mesg = _template.format( |
| recommendation='`promote_types` or `result_type`' |
| ) |
| raise RuntimeError(mesg) |
|
|
| def set_string_function(*args, **kwds): |
| mesg = _template.format(recommendation='`np.set_printoptions`') |
| raise RuntimeError(mesg) |
|
|
| def get_array_wrap(*args, **kwds): |
| mesg = _template.format(recommendation="<no replacement>") |
| raise RuntimeError(mesg) |
|
|
| def disp(*args, **kwds): |
| mesg = _template.format(recommendation="your own print function") |
| raise RuntimeError(mesg) |
|
|
| def safe_eval(*args, **kwds): |
| mesg = _template.format(recommendation="`ast.literal_eval`") |
| raise RuntimeError(mesg) |
|
|
|
|
| def __getattr__(name): |
| if name in _deprecated_apis: |
| return getattr(_numpy, name) |
|
|
| raise AttributeError(f"module 'cupy' has no attribute {name!r}") |
|
|
|
|
| def _embed_signatures(dirs): |
| for name, value in dirs.items(): |
| if isinstance(value, ufunc): |
| from cupy._core._kernel import _ufunc_doc_signature_formatter |
| value.__doc__ = ( |
| _ufunc_doc_signature_formatter(value, name) + |
| '\n\n' + value._doc |
| ) |
|
|
|
|
| _embed_signatures(globals()) |
| _embed_signatures(fft.__dict__) |
| _embed_signatures(linalg.__dict__) |
| _embed_signatures(random.__dict__) |
| _embed_signatures(sparse.__dict__) |
| _embed_signatures(testing.__dict__) |
|
|