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/*
* Copyright (c) 2017-2019 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_CPPPERMUTEKERNEL_H
#define ARM_COMPUTE_CPPPERMUTEKERNEL_H
#include "arm_compute/core/CPP/ICPPKernel.h"
namespace arm_compute
{
class ITensor;
/** CPP kernel to perform tensor permutation.
*
* Permutes given a permutation vector
*/
class CPPPermuteKernel : public ICPPKernel
{
public:
const char *name() const override
{
return "CPPPermuteKernel";
}
/** Default constructor */
CPPPermuteKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CPPPermuteKernel(const CPPPermuteKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CPPPermuteKernel &operator=(const CPPPermuteKernel &) = delete;
/** Allow instances of this class to be moved */
CPPPermuteKernel(CPPPermuteKernel &&) = default;
/** Allow instances of this class to be moved */
CPPPermuteKernel &operator=(CPPPermuteKernel &&) = default;
/** Default destructor */
~CPPPermuteKernel() = default;
/** Set the input and output of the kernel.
*
* @param[in] input The input tensor to permute. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
* @param[out] output The output tensor. Data types supported: Same as @p input
* @param[in] perm Permutation vector
*/
void configure(const ITensor *input, ITensor *output, const PermutationVector &perm);
/** Static function to check if given info will lead to a valid configuration of @ref CPPPermuteKernel
*
* @param[in] input The input tensor to permute. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
* @param[in] output The output tensor. Data types supported: Same as @p input
* @param[in] perm Permutation vector
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PermutationVector &perm);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
private:
/** Template function to run the permute
*
* @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
*/
template <typename T>
void run_permute(const Window &window);
/** Common signature for all the specialised permute functions
*
* @param[in] window Region on which to execute the kernel.
*/
using PermuteFunctionPtr = void (CPPPermuteKernel::*)(const Window &window);
PermuteFunctionPtr _func;
const ITensor *_input;
ITensor *_output;
PermutationVector _perm;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_CPPPERMUTEKERNEL_H */
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