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elementwise_heaviside_op.cc
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elementwise_heaviside_op.cc
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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// 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.
#include <string>
#include "paddle/fluid/operators/elementwise/elementwise_op.h"
namespace paddle {
namespace operators {
class ElementwiseHeavisideOpMaker : public ElementwiseOpMaker {
protected:
std::string GetName() const override { return "Heaviside"; }
std::string GetEquation() const override { return "Out = Heaviside(X, Y)"; }
void AddInputX() override {
AddInput("X",
"(Tensor), The input tensor of Heaviside step function. "
"Its dtype can be int32, int64, float32 and float64");
}
void AddInputY() override {
AddInput("Y",
"(Tensor), The tensor determining a Heaviside step function, "
"which is the value when X = 0. Its dtype should be same as X.");
}
std::string GetOpFuntionality() const override {
return "Computes the Heaviside step function determined by Y "
"for each element in X.";
}
};
template <typename T>
class ElementwiseHeavisideGradOpMaker : public framework::SingleGradOpMaker<T> {
public:
using framework::SingleGradOpMaker<T>::SingleGradOpMaker;
protected:
void Apply(GradOpPtr<T> op) const override {
op->SetType("elementwise_heaviside_grad");
op->SetInput("X", this->Input("X"));
op->SetInput("Y", this->Input("Y"));
op->SetInput(framework::GradVarName("Out"), this->OutputGrad("Out"));
op->SetOutput(framework::GradVarName("X"), this->InputGrad("X"));
op->SetOutput(framework::GradVarName("Y"), this->InputGrad("Y"));
op->SetAttrMap(this->Attrs());
}
};
} // namespace operators
} // namespace paddle
namespace ops = paddle::operators;
REGISTER_OPERATOR(
elementwise_heaviside, ops::ElementwiseOp, ops::ElementwiseHeavisideOpMaker,
ops::ElementwiseHeavisideGradOpMaker<paddle::framework::OpDesc>,
ops::ElementwiseHeavisideGradOpMaker<paddle::imperative::OpBase>);
REGISTER_OPERATOR(elementwise_heaviside_grad, ops::ElementwiseOpGrad);