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- # Copyright 2021 Huawei Technologies Co., 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.
- # ===========================================================================
- """generate json desc for relu"""
- from ._utils import Expander
-
-
- class ReLU(Expander):
- """ReLU expander"""
-
- def _expand(self, graph_builder):
- input_x = self.inputs[0]
-
- const_zero = graph_builder.value(input_x.dtype, 0)
- ge_result = graph_builder.emit('Greater', [input_x, const_zero])
- ge_result = graph_builder.emit('Cast', [ge_result], attrs={'dst_type': input_x.dtype})
- result = graph_builder.emit('Mul', [ge_result, input_x])
-
- return result
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