wehub-resource-sync
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from .primitives import * # noqa: F403
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from .register import register_decomp
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# TODO(kevincheng2): python implementation of prim feature,
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# now it has been sunk to c++, waiting for further deletion.
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@register_decomp('pd_op.unsqueeze')
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def unsqueeze(x, axis):
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"""define composite rule of op unsqueeze"""
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"""using reshape to implement unsqueeze op"""
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axis = axis.get_defining_op().attrs()["value"]
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x_shape = list(x.shape)
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axis_list = list(axis)
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for i in axis_list:
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if i < 0:
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i += len(x_shape) + 1
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x_shape = [*x_shape[:i], 1, *x_shape[i:]]
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out = reshape(x, x_shape)
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return [out, None]
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