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/*
* Copyright (c) 2017-2018 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_NEREDUCTIONOPERATIONKERNEL_H__
#define __ARM_COMPUTE_NEREDUCTIONOPERATIONKERNEL_H__
#include "arm_compute/core/NEON/INEKernel.h"
namespace arm_compute
{
class ITensor;
/** NEON kernel to perform a reduction operation */
class NEReductionOperationKernel : public INEKernel
{
public:
const char *name() const override
{
return "NEReductionOperationKernel";
}
/** Default constructor */
NEReductionOperationKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEReductionOperationKernel(const NEReductionOperationKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEReductionOperationKernel &operator=(const NEReductionOperationKernel &) = delete;
/** Allow instances of this class to be moved */
NEReductionOperationKernel(NEReductionOperationKernel &&) = default;
/** Allow instances of this class to be moved */
NEReductionOperationKernel &operator=(NEReductionOperationKernel &&) = default;
/** Default destructor */
~NEReductionOperationKernel() = default;
/** Set the source, destination of the kernel
*
* @param[in] input Source tensor. Data type supported: F32. Data layouts supported: NCHW.
* @param[out] output Destination tensor.Data types and data layouts supported: same as @p input.
* Output will have the same number of dimensions as input.
* @param[in] axis Axis along which to reduce. Supported reduction axis : 0
* @param[in] op Reduction operation to perform.
*/
void configure(const ITensor *input, ITensor *output, unsigned int axis, ReductionOperation op);
/** Static function to check if given info will lead to a valid configuration of @ref NEReductionOperationKernel.
*
* @param[in] input Source tensor info. Data type supported: F32. Data layouts supported: NCHW.
* @param[in] output Destination tensor info.Data types and data layouts supported: same as @p input.
* Output will have the same number of dimensions as input.
* @param[in] axis Axis along which to reduce. Supported reduction axis : 0
* @param[in] op Reduction operation to perform.
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int axis, ReductionOperation op);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
BorderSize border_size() const override;
private:
const ITensor *_input;
ITensor *_output;
unsigned int _reduction_axis;
ReductionOperation _op;
BorderSize _border_size;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_NEREDUCTIONOPERATIONKERNEL_H__ */
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