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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
* Copyright (c) 2017 ARM Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __ARM_COMPUTE_CLREDUCE_MAX_H__
#define __ARM_COMPUTE_CLREDUCE_MAX_H__
#include "arm_compute/runtime/CL/CLArray.h"
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/CL/ICLKernel.h"
namespace arm_compute
{
class ICLTensor;
/** Basic function to execute TopK operation. This function calls the following OpenCL kernels:
*
* -# @ref CLTopKV2Kernel
*/
class CLReduceMax : public IFunction
{
public:
/** Constructor */
CLReduceMax();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLReduceMax(const CLReduceMax &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLReduceMax &operator=(const CLReduceMax &) = delete;
/** Allow instances of this class to be moved */
CLReduceMax(CLReduceMax &&) = default;
/** Allow instances of this class to be moved */
CLReduceMax &operator=(CLReduceMax &&) = default;
/** Initialise the kernel's inputs and outputs.
*
* @note When locations of min and max occurrences are requested, the reported number of locations
* is limited to the given array size.
*
* @param[in] input Input image. Data types supported: F32
* @param[in] axis Axis to reduce. Data type supported: S32
* @param[out] output indices related to top k values. Data types supported: F32.
*/
void configure(ICLTensor *input, int32_t axis, ICLTensor *output);
/** Static function to check if given info will lead to a valid configuration of @ref
* CLPixelWiseDivision
*
* @param[in] input Input image. Data types supported: F32
* @param[in] axis Axis to reduce. Data type supported: S32
* @param[out] output indices related to top k values. Data types supported: F32. *
*
* @return a status
*/
static Status validate(const ITensorInfo *input, int32_t axis, const ITensorInfo *output);
// Inherited methods overridden:
void run() override;
private:
void run_on_cpu();
int32_t _axis;
ICLTensor *_input;
ICLTensor *_output;
std::unique_ptr<ICLKernel> _kernel;
};
}
#endif /*__ARM_COMPUTE_CLREDUCE_MAX_H__ */
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