/* Copyright 2020 The TensorFlow 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.
==============================================================================*/
#ifndef TENSORFLOW_LITE_DELEGATES_COREML_BUILDERS_MUL_OP_BUILDER_H_
#define TENSORFLOW_LITE_DELEGATES_COREML_BUILDERS_MUL_OP_BUILDER_H_

#include <string>

#include "tensorflow/lite/delegates/coreml/builders/op_builder.h"

namespace tflite {
namespace delegates {
namespace coreml {
// Builder for Mul op in CoreML.
class MulOpBuilder : public OpBuilder {
 public:
  explicit MulOpBuilder(GraphBuilder* graph_builder)
      : OpBuilder(graph_builder) {}
  const std::string& DebugName() override;

  CoreML::Specification::NeuralNetworkLayer* Build() override;

  TfLiteStatus PopulateSubgraph(TfLiteContext* context) override;

  TfLiteStatus RegisterInputs(const TfLiteIntArray* inputs,
                              TfLiteContext* context) override;

  TfLiteStatus RegisterOutputs(const TfLiteIntArray* outputs,
                               TfLiteContext* context) override;

  void SetAlpha(float alpha);

 private:
  // Used for unary mul
  float alpha_ = 1.0f;
};

}  // namespace coreml
}  // namespace delegates
}  // namespace tflite

#endif  // TENSORFLOW_LITE_DELEGATES_COREML_BUILDERS_MUL_OP_BUILDER_H_
