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/*
* Copyright (c) 2016-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_NEDERIVATIVE_H
#define ARM_COMPUTE_NEDERIVATIVE_H
#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/IFunction.h"
#include <memory>
namespace arm_compute
{
class ITensor;
class NEDerivativeKernel;
class NEFillBorderKernel;
/** Basic function to execute first order derivative operator. This function calls the following NEON kernels:
*
* -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
* -# @ref NEDerivativeKernel
*
* @deprecated This function is deprecated and is intended to be removed in 21.05 release
*
*/
class NEDerivative : public IFunction
{
public:
/** Default constructor */
NEDerivative();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEDerivative(const NEDerivative &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEDerivative &operator=(const NEDerivative &) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
NEDerivative(NEDerivative &&) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
NEDerivative &operator=(NEDerivative &&) = delete;
/** Default destructor */
~NEDerivative();
/** Initialise the function's source, destinations and border mode.
*
* @note At least one of output_x or output_y must be not NULL.
*
* @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
* @param[out] output_x (optional) Destination tensor. Derivative along the X direction. Data type supported: S16.
* @param[out] output_y (optional) Destination tensor. Derivative along the Y direction. Data type supported: S16.
* @param[in] border_mode Border mode to use
* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
*
*/
void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
// Inherited methods overridden:
void run() override;
private:
std::unique_ptr<NEDerivativeKernel> _kernel; /**< Derivative kernel */
std::unique_ptr<NEFillBorderKernel> _border_handler; /**< Kernel to handle tensor borders */
};
}
#endif /* ARM_COMPUTE_NEDERIVATIVE_H */
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