forked from huawei/mindspore2022
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/**
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* Copyright 2021-2022 Huawei Technologies Co., Ltd
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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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*/
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#include <memory>
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#include <vector>
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#include "common/graph_kernel/expanders/expander_factory.h"
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#include "ir/dtype.h"
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namespace mindspore::graphkernel::expanders {
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class Softplus : public OpDesc {
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public:
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Softplus() {}
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~Softplus() = default;
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protected:
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bool CheckInputs() override {
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const auto &input_x = inputs_info_[0];
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if (input_x.type != kNumberTypeFloat32 && input_x.type != kNumberTypeFloat16) {
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MS_LOG(INFO) << "In Softplus, input_x's dtype must be float16 or float32";
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return false;
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}
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return true;
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}
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NodePtrList Expand(const NodePtrList &inputs) override {
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const auto &input_x = inputs[0];
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auto exp_x = gb.Exp(input_x);
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auto const_one = gb.Const(1.0, input_x->type);
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auto exp_x_add_one = gb.Add(exp_x, const_one);
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auto result = gb.Log(exp_x_add_one);
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return {result};
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}
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};
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OP_EXPANDER_REGISTER("Softplus", Softplus);
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} // namespace mindspore::graphkernel::expanders
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