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"""Delegators for alternative backends in scipy.ndimage.
The signature of `func_signature` must match the signature of ndimage.func.
The job of a `func_signature` is to know which arguments of `ndimage.func`
are arrays.
* signatures are generated by
--------------
import inspect
from scipy import ndimage
names = [x for x in dir(ndimage) if not x.startswith('_')]
objs = [getattr(ndimage, name) for name in names]
funcs = [obj for obj in objs if inspect.isroutine(obj)]
for func in funcs:
sig = inspect.signature(func)
print(f"def {func.__name__}_signature{sig}:\n\tpass\n\n")
---------------
* which arguments to delegate on: manually trawled the documentation for
array-like and array arguments
"""
import numpy as np
from scipy._lib._array_api import array_namespace
from scipy.ndimage._ni_support import _skip_if_dtype, _skip_if_int
def affine_transform_signature(
input, matrix, offset=0.0, output_shape=None, output=None, *args, **kwds
):
return array_namespace(input, matrix, _skip_if_dtype(output))
def binary_closing_signature(
input, structure=None, iterations=1, output=None, *args, **kwds
):
return array_namespace(input, structure, _skip_if_dtype(output))
binary_opening_signature = binary_closing_signature
def binary_dilation_signature(
input, structure=None, iterations=1, mask=None, output=None, *args, **kwds
):
return array_namespace(input, structure, _skip_if_dtype(output), mask)
binary_erosion_signature = binary_dilation_signature
def binary_fill_holes_signature(
input, structure=None, output=None, origin=0, *args, **kwargs
):
return array_namespace(input, structure, _skip_if_dtype(output))
def label_signature(input, structure=None, output=None, origin=0):
return array_namespace(input, structure, _skip_if_dtype(output))
def binary_hit_or_miss_signature(
input, structure1=None, structure2=None, output=None, *args, **kwds
):
return array_namespace(input, structure1, structure2, _skip_if_dtype(output))
def binary_propagation_signature(
input, structure=None, mask=None, output=None, *args, **kwds
):
return array_namespace(input, structure, mask, _skip_if_dtype(output))
def convolve_signature(input, weights, output=None, *args, **kwds):
return array_namespace(input, weights, _skip_if_dtype(output))
correlate_signature = convolve_signature
def convolve1d_signature(input, weights, axis=-1, output=None, *args, **kwds):
return array_namespace(input, weights, _skip_if_dtype(output))
correlate1d_signature = convolve1d_signature
def distance_transform_bf_signature(
input, metric='euclidean', sampling=None, return_distances=True,
return_indices=False, distances=None, indices=None
):
return array_namespace(input, distances, indices)
def distance_transform_cdt_signature(
input, metric='chessboard', return_distances=True, return_indices=False,
distances=None, indices=None
):
return array_namespace(input, distances, indices)
def distance_transform_edt_signature(
input, sampling=None, return_distances=True, return_indices=False,
distances=None, indices=None
):
return array_namespace(input, distances, indices)
def find_objects_signature(input, max_label=0):
return array_namespace(input)
def fourier_ellipsoid_signature(input, size, n=-1, axis=-1, output=None):
return array_namespace(input, _skip_if_dtype(output))
fourier_uniform_signature = fourier_ellipsoid_signature
def fourier_gaussian_signature(input, sigma, n=-1, axis=-1, output=None):
return array_namespace(input, _skip_if_dtype(output))
def fourier_shift_signature(input, shift, n=-1, axis=-1, output=None):
return array_namespace(input, _skip_if_dtype(output))
def gaussian_filter_signature(input, sigma, order=0, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
def gaussian_filter1d_signature(
input, sigma, axis=-1, order=0, output=None, *args, **kwds
):
return array_namespace(input, _skip_if_dtype(output))
def gaussian_gradient_magnitude_signature(input, sigma, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
gaussian_laplace_signature = gaussian_gradient_magnitude_signature
def generate_binary_structure_signature(rank, connectivity):
# XXX: no input arrays; always return numpy
return np
def generic_filter_signature(
input, function, size=None, footprint=None, output=None, *args, **kwds
):
# XXX: function LowLevelCallable w/backends
return array_namespace(input, footprint, _skip_if_dtype(output))
def generic_filter1d_signature(
input, function, filter_size, axis=-1, output=None, *args, **kwds
):
return array_namespace(input, _skip_if_dtype(output))
def generic_gradient_magnitude_signature(
input, derivative, output=None, *args, **kwds
):
# XXX: function LowLevelCallable w/backends
return array_namespace(input, _skip_if_dtype(output))
def generic_laplace_signature(input, derivative2, output=None, *args, **kwds):
# XXX: function LowLevelCallable w/backends
return array_namespace(input, _skip_if_dtype(output))
def geometric_transform_signature(
input, mapping, output_shape=None, output=None, *args, **kwds
):
return array_namespace(input, _skip_if_dtype(output))
def histogram_signature(input, min, max, bins, labels=None, index=None):
return array_namespace(input, labels)
def iterate_structure_signature(structure, iterations, origin=None):
return array_namespace(structure)
def labeled_comprehension_signature(input, labels, *args, **kwds):
return array_namespace(input, labels)
def laplace_signature(input, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
def map_coordinates_signature(input, coordinates, output=None, *args, **kwds):
return array_namespace(input, coordinates, _skip_if_dtype(output))
def maximum_filter1d_signature(input, size, axis=-1, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
minimum_filter1d_signature = maximum_filter1d_signature
uniform_filter1d_signature = maximum_filter1d_signature
def maximum_signature(input, labels=None, index=None):
return array_namespace(input, labels, _skip_if_int(index))
minimum_signature = maximum_signature
median_signature = maximum_signature
mean_signature = maximum_signature
variance_signature = maximum_signature
standard_deviation_signature = maximum_signature
sum_labels_signature = maximum_signature
sum_signature = maximum_signature # ndimage.sum is sum_labels
maximum_position_signature = maximum_signature
minimum_position_signature = maximum_signature
extrema_signature = maximum_signature
center_of_mass_signature = extrema_signature
def median_filter_signature(
input, size=None, footprint=None, output=None, *args, **kwds
):
return array_namespace(input, footprint, _skip_if_dtype(output))
minimum_filter_signature = median_filter_signature
maximum_filter_signature = median_filter_signature
def morphological_gradient_signature(
input, size=None, footprint=None, structure=None, output=None, *args, **kwds
):
return array_namespace(input, footprint, structure, _skip_if_dtype(output))
morphological_laplace_signature = morphological_gradient_signature
white_tophat_signature = morphological_gradient_signature
black_tophat_signature = morphological_gradient_signature
grey_closing_signature = morphological_gradient_signature
grey_dilation_signature = morphological_gradient_signature
grey_erosion_signature = morphological_gradient_signature
grey_opening_signature = morphological_gradient_signature
def percentile_filter_signature(
input, percentile, size=None, footprint=None, output=None, *args, **kwds
):
return array_namespace(input, footprint, _skip_if_dtype(output))
def prewitt_signature(input, axis=-1, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
sobel_signature = prewitt_signature
def rank_filter_signature(
input, rank, size=None, footprint=None, output=None, *args, **kwds
):
return array_namespace(input, footprint, _skip_if_dtype(output))
def rotate_signature(
input, angle, axes=(1, 0), reshape=True, output=None , *args, **kwds
):
return array_namespace(input, _skip_if_dtype(output))
def shift_signature(input, shift, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
def spline_filter_signature(input, order=3, output=np.float64, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
def spline_filter1d_signature(
input, order=3, axis=-1, output=np.float64, *args, **kwds
):
return array_namespace(input, _skip_if_dtype(output))
def uniform_filter_signature(input, size=3, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
def value_indices_signature(arr, *args, **kwds):
return array_namespace(arr)
def watershed_ift_signature(input, markers, structure=None, output=None):
return array_namespace(input, markers, structure, _skip_if_dtype(output))
def zoom_signature(input, zoom, output=None, *args, **kwds):
return array_namespace(input, _skip_if_dtype(output))
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