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/*
* Copyright (c) 2018-2019 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_NESELECTKERNEL_H
#define ARM_COMPUTE_NESELECTKERNEL_H
#include "arm_compute/core/NEON/INEKernel.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
// Forward declarations
class ITensor;
/** Interface for the select kernel
*
* Select is computed by:
* @f[ output(i) = condition(i) ? x(i) : y(i) @f]
*
*/
class NESelectKernel : public INEKernel
{
public:
const char *name() const override
{
return "NESelectKernel";
}
/** Default constructor */
NESelectKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESelectKernel(const NESelectKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESelectKernel &operator=(const NESelectKernel &) = delete;
/** Allow instances of this class to be moved */
NESelectKernel(NESelectKernel &&) = default;
/** Allow instances of this class to be moved */
NESelectKernel &operator=(NESelectKernel &&) = default;
/** Default destructor */
~NESelectKernel() = default;
/** Common signature for all the specialised elementwise functions
*
* @param[in] c Condition input tensor. Data types supported: U8.
* @param[in] x First input tensor. Data types supported: All.
* @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 ITensor *c, const ITensor *x, const ITensor *y, ITensor *output);
/** Validate the argument passed to the kernel
*
* @param[in] c Condition input tensor. Data types supported: U8.
* @param[in] x First input tensor. Data types supported: All.
* @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, const ThreadInfo &info) override;
private:
/** Common signature for all the specialised select functions
*
* @param[in] c Condition input tensor. Data types supported: U8.
* @param[in] x First input tensor. Data types supported: All.
* @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.
*/
using SelectFunction = void(const ITensor *c, const ITensor *x, const ITensor *y, ITensor *output, const Window &window);
/** Select function to use for the particular tensor types passed to configure() */
SelectFunction *_function;
const ITensor *_c; /**< Condition tensor */
const ITensor *_x; /**< Source tensor 1 */
const ITensor *_y; /**< Source tensor 2 */
ITensor *_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_NESELECTKERNEL_H */
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