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/*
 * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
 * Copyright (c) 2016-2018 ARM Limited.
 *
 * 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 __ARM_COMPUTE_CLEXPKERNEL_H__
#define __ARM_COMPUTE_CLEXPKERNEL_H__

#include "arm_compute/core/CL/ICLKernel.h"

namespace arm_compute
{
class ICLTensor;

/** OpenCL kernel to perform an exponential operation */
class CLExpKernel : public ICLKernel
{
public:
  /** Default constructor */
  CLExpKernel();
  /** Prevent instances of this class from being copied (As this class contains pointers) */
  CLExpKernel(const CLExpKernel &) = delete;
  /** Prevent instances of this class from being copied (As this class contains pointers) */
  CLExpKernel &operator=(const CLExpKernel &) = delete;
  /** Allow instances of this class to be moved */
  CLExpKernel(CLExpKernel &&) = default;
  /** Allow instances of this class to be moved */
  CLExpKernel &operator=(CLExpKernel &&) = default;
  /** Default destructor */
  ~CLExpKernel() = default;
  /** Set the source, destination of the kernel
   *
   * @param[in]  input  Source tensor. Data type supported: F32.
   * @param[out] output Destination tensor. Data type supported: F32.
   */
  void configure(const ICLTensor *input, ICLTensor *output);

  // Inherited methods overridden:
  void run(const Window &window, cl::CommandQueue &queue) override;

private:
  const ICLTensor *_input;
  ICLTensor *_output;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_CLEXPKERNEL_H__ */