ElementwiseActivationLayer.h

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/*
 * Copyright (c) 2023 Samsung Electronics Co., Ltd. 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.
 */
 
#ifndef __ONERT_BACKEND_TRAIN_OPS_ELEMENTWISEACTIVATIONLAYER_H__
#define __ONERT_BACKEND_TRAIN_OPS_ELEMENTWISEACTIVATIONLAYER_H__
 
#include <backend/IPortableTensor.h>
#include <ops/ElementwiseActivationLayer.h>
 
#include <exec/train/ITrainableFunction.h>
 
namespace onert
{
namespace backend
{
namespace train
{
namespace ops
{
 
enum class ElementwiseActivationType
{
  kReLU,
};
 
class ElementwiseActivationLayer : public ::onert::exec::train::ITrainableFunction,
                                   public cpu::ops::ElementwiseActivationLayer
{
public:
  ElementwiseActivationLayer();
 
  void configureBackward(const IPortableTensor *input, IPortableTensor *back_prop_input,
                         const IPortableTensor *back_prop_output, float alpha, float beta,
                         ElementwiseActivationType op_type);
  void forward(bool training) override;
  void backward() override;
 
private:
  IPortableTensor *_back_prop_input = nullptr;
  const IPortableTensor *_back_prop_output = nullptr;
 
  ElementwiseActivationType _op_type = ElementwiseActivationType::kReLU;
  std::function<void(const IPortableTensor *output, const IPortableTensor *incoming,
                     IPortableTensor *outgoing)>
    _backward_kernel;
};
 
} // namespace ops
} // namespace train
} // namespace backend
} // namespace onert
 
#endif // __ONERT_BACKEND_TRAIN_OPS_ELEMENTWISEACTIVATIONLAYER_H__