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[BACKPORT] Integrate part of scipy elliptic functions and integrals (#…
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# Copyright 1999-2021 Alibaba Group Holding Ltd. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
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import scipy.special as spspecial | ||
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from ..arithmetic.utils import arithmetic_operand | ||
from ..utils import infer_dtype, implement_scipy | ||
from .core import ( | ||
_register_special_op, | ||
TensorSpecialBinOp, | ||
TensorSpecialUnaryOp, | ||
TensorSpecialMultiOp, | ||
) | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="unary") | ||
class TensorEllipk(TensorSpecialUnaryOp): | ||
_func_name = "ellipk" | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="unary") | ||
class TensorEllipkm1(TensorSpecialUnaryOp): | ||
_func_name = "ellipkm1" | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="binary_and") | ||
class TensorEllipkinc(TensorSpecialBinOp): | ||
_func_name = "ellipkinc" | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="unary") | ||
class TensorEllipe(TensorSpecialUnaryOp): | ||
_func_name = "ellipe" | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="binary_and") | ||
class TensorEllipeinc(TensorSpecialBinOp): | ||
_func_name = "ellipeinc" | ||
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@_register_special_op | ||
@arithmetic_operand(sparse_mode="binary_and") | ||
class TensorElliprc(TensorSpecialBinOp): | ||
_func_name = "elliprc" | ||
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@_register_special_op | ||
class TensorElliprd(TensorSpecialMultiOp): | ||
_ARG_COUNT = 3 | ||
_func_name = "elliprd" | ||
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@_register_special_op | ||
class TensorElliprf(TensorSpecialMultiOp): | ||
_ARG_COUNT = 3 | ||
_func_name = "elliprf" | ||
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@_register_special_op | ||
class TensorElliprg(TensorSpecialMultiOp): | ||
_ARG_COUNT = 3 | ||
_func_name = "elliprg" | ||
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@_register_special_op | ||
class TensorElliprj(TensorSpecialMultiOp): | ||
_ARG_COUNT = 4 | ||
_func_name = "elliprj" | ||
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@implement_scipy(spspecial.ellipk) | ||
@infer_dtype(spspecial.ellipk) | ||
def ellipk(x, **kwargs): | ||
op = TensorEllipk(**kwargs) | ||
return op(x) | ||
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@implement_scipy(spspecial.ellipkm1) | ||
@infer_dtype(spspecial.ellipkm1) | ||
def ellipkm1(x, **kwargs): | ||
op = TensorEllipkm1(**kwargs) | ||
return op(x) | ||
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@implement_scipy(spspecial.ellipkinc) | ||
@infer_dtype(spspecial.ellipkinc) | ||
def ellipkinc(phi, m, **kwargs): | ||
op = TensorEllipkinc(**kwargs) | ||
return op(phi, m) | ||
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@implement_scipy(spspecial.ellipe) | ||
@infer_dtype(spspecial.ellipe) | ||
def ellipe(x, **kwargs): | ||
op = TensorEllipe(**kwargs) | ||
return op(x) | ||
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@implement_scipy(spspecial.ellipeinc) | ||
@infer_dtype(spspecial.ellipeinc) | ||
def ellipeinc(phi, m, **kwargs): | ||
op = TensorEllipeinc(**kwargs) | ||
return op(phi, m) | ||
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try: | ||
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@implement_scipy(spspecial.elliprc) | ||
@infer_dtype(spspecial.elliprc) | ||
def elliprc(x, y, **kwargs): | ||
op = TensorElliprc(**kwargs) | ||
return op(x, y) | ||
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@implement_scipy(spspecial.elliprd) | ||
@infer_dtype(spspecial.elliprd) | ||
def elliprd(x, y, z, **kwargs): | ||
op = TensorElliprd(**kwargs) | ||
return op(x, y, z) | ||
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@implement_scipy(spspecial.elliprf) | ||
@infer_dtype(spspecial.elliprf) | ||
def elliprf(x, y, z, **kwargs): | ||
op = TensorElliprf(**kwargs) | ||
return op(x, y, z) | ||
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@implement_scipy(spspecial.elliprg) | ||
@infer_dtype(spspecial.elliprg) | ||
def elliprg(x, y, z, **kwargs): | ||
op = TensorElliprg(**kwargs) | ||
return op(x, y, z) | ||
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@implement_scipy(spspecial.elliprj) | ||
@infer_dtype(spspecial.elliprj) | ||
def elliprj(x, y, z, p, **kwargs): | ||
op = TensorElliprj(**kwargs) | ||
return op(x, y, z, p) | ||
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except AttributeError: | ||
# These functions are not implemented before scipy v1.8 so | ||
# spsecial.func may cause AttributeError | ||
pass |
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