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/*
* Copyright (c) 2018 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_CLSELECTKERNEL_H__
#define __ARM_COMPUTE_CLSELECTKERNEL_H__
#include "arm_compute/core/CL/ICLKernel.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
// Forward declarations
class ICLTensor;
/** OpenCL interface for executing the select kernel
*
* Select is computed by:
* @f[ output(i) = condition(i) ? x(i) : y(i) @f]
**/
class CLSelectKernel : public ICLKernel
{
public:
/** Default constructor */
CLSelectKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLSelectKernel(const CLSelectKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLSelectKernel &operator=(const CLSelectKernel &) = delete;
/** Allow instances of this class to be moved */
CLSelectKernel(CLSelectKernel &&) = default;
/** Allow instances of this class to be moved */
CLSelectKernel &operator=(CLSelectKernel &&) = default;
/** Default destructor */
~CLSelectKernel() = default;
/** Initialise the kernel's inputs and output.
*
* @param[in] c Condition input tensor. Data types supported: U8.
* @param[in] x First input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32.
* @param[out] y Second input tensor. Data types supported: Same as @p x
* @param[in] output Output tensor. Data types supported: Same as @p x.
*/
void configure(const ICLTensor *c, const ICLTensor *x, const ICLTensor *y, ICLTensor *output);
/** Static function to check if given info will lead to a valid configuration of @ref CLSelectKernel
*
* @param[in] c Condition input tensor. Data types supported: U8.
* @param[in] x First input tensor. Data types supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32.
* @param[in] y Second input tensor. Data types supported: Same as @p x
* @param[in] output Output tensor. Data types supported: Same as @p x.
*
* @return a status
*/
static Status validate(const ITensorInfo *c, const ITensorInfo *x, const ITensorInfo *y, const ITensorInfo *output);
// Inherited methods overridden:
void run(const Window &window, cl::CommandQueue &queue) override;
private:
const ICLTensor *_c; /**< Condition tensor */
const ICLTensor *_x; /**< Source tensor 1 */
const ICLTensor *_y; /**< Source tensor 2 */
ICLTensor *_output; /**< Destination tensor */
bool _has_same_rank; /**< Flag that indicates if condition tensor and other inputs have the same rank */
};
} // namespace arm_compute
#endif /* __ARM_COMPUTE_CLWHEREKERNEL_H__ */
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