EVOLUTION-MANAGER

Edit File: host_constant_op.h

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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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,
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==============================================================================*/

#ifndef TENSORFLOW_CORE_KERNELS_HOST_CONSTANT_OP_H_
#define TENSORFLOW_CORE_KERNELS_HOST_CONSTANT_OP_H_

#include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor"
#include "tensorflow/core/framework/op_kernel.h"
#include "tensorflow/core/framework/tensor_types.h"
#include "tensorflow/core/platform/macros.h"

namespace tensorflow {

// HostConstantOp differs from ConstantOp in that its output is always
// in host memory.
class _HostConstantOp : public OpKernel {
 public:
  explicit _HostConstantOp(OpKernelConstruction* ctx);
  void Compute(OpKernelContext* ctx) override;
  bool IsExpensive() override { return false; }
  const Tensor* const_tensor() const override { return &tensor_; };
  ~_HostConstantOp() override {}

private:
  Tensor tensor_;
  TF_DISALLOW_COPY_AND_ASSIGN(_HostConstantOp);
};

}  // namespace tensorflow

#endif  // TENSORFLOW_CORE_KERNELS_HOST_CONSTANT_OP_H_