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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_CPPSORTEUCLIDEANDISTANCEKERNEL_H__
#define __ARM_COMPUTE_CPPSORTEUCLIDEANDISTANCEKERNEL_H__
#include "arm_compute/core/CPP/ICPPKernel.h"
#include "arm_compute/core/IArray.h"
#include <cstdint>
#include <mutex>
namespace arm_compute
{
/** CPP kernel to perform sorting and euclidean distance */
class CPPSortEuclideanDistanceKernel : public ICPPKernel
{
public:
const char *name() const override
{
return "CPPSortEuclideanDistanceKernel";
}
/** Default constructor */
CPPSortEuclideanDistanceKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CPPSortEuclideanDistanceKernel(const CPPSortEuclideanDistanceKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CPPSortEuclideanDistanceKernel &operator=(const CPPSortEuclideanDistanceKernel &) = delete;
/** Allow instances of this class to be moved */
CPPSortEuclideanDistanceKernel(CPPSortEuclideanDistanceKernel &&) = default;
/** Allow instances of this class to be moved */
CPPSortEuclideanDistanceKernel &operator=(CPPSortEuclideanDistanceKernel &&) = default;
/** Initialise the kernel's source, destination and border mode.
*
* @param[in,out] in_out Input internal keypoints. Marked as out as the kernel writes 0 in the strength member.
* @param[out] output Output keypoints.
* @param[in] num_corner_candidates Pointer to the number of corner candidates in the input array
* @param[in] min_distance Radial Euclidean distance to use
*/
void configure(InternalKeypoint *in_out, IKeyPointArray *output, const int32_t *num_corner_candidates, float min_distance);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
bool is_parallelisable() const override;
private:
const int32_t *_num_corner_candidates; /**< Number of corner candidates */
float _min_distance; /**< Radial Euclidean distance */
InternalKeypoint *_in_out; /**< Source array of InternalKeypoint */
IKeyPointArray *_output; /**< Destination array of IKeyPointArray */
};
} // namespace arm_compute
#endif /* __ARM_COMPUTE_CPPSORTEUCLIDEANDISTANCEKERNEL_H__ */
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