| /* |
| * 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_CLARGMINMAXLAYER_H |
| #define ARM_COMPUTE_CLARGMINMAXLAYER_H |
| |
| #include "arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h" |
| #include "arm_compute/core/CL/kernels/CLReshapeLayerKernel.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/IMemoryManager.h" |
| #include "arm_compute/runtime/MemoryGroup.h" |
| |
| namespace arm_compute |
| { |
| class ITensorInfo; |
| class ICLTensor; |
| |
| /** Function to calculate the index of the minimum or maximum values in a |
| * tensor based on an axis. |
| * |
| * @note The default data type for an uninitialized output tensor is |
| * signed 32-bit integer (S32). It is the user's responsibility to check |
| * that the results do not overflow because the indices are computed |
| * in unsigned 32-bit (U32). |
| */ |
| class CLArgMinMaxLayer : public IFunction |
| { |
| public: |
| /** Default Constructor. |
| * |
| * @param[in] memory_manager (Optional) Memory manager. |
| */ |
| CLArgMinMaxLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** Set the input and output tensors. |
| * |
| * @param[in] input Input source tensor. Data types supported: F16/F32. |
| * @param[in] axis Axis to find max/min index. |
| * @param[out] output Output source tensor. Data types supported: U32/S32. |
| * @param[in] op Reduction operation to perform. Operations supported: ARG_IDX_MAX, ARG_IDX_MIN |
| */ |
| void configure(const ICLTensor *input, int axis, ICLTensor *output, const ReductionOperation &op); |
| /** Static function to check if given info will lead to a valid configuration of @ref CLArgMinMaxLayer |
| * |
| * @param[in] input Input source tensor info. Data types supported: F16/F32. |
| * @param[in] axis Axis to find max/min index. |
| * @param[in] output Output source tensor info. Data types supported: U32/S32. |
| * @param[in] op Reduction operation to perform. Operations supported: ARG_IDX_MAX, ARG_IDX_MIN |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, int axis, const ITensorInfo *output, const ReductionOperation &op); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| MemoryGroup _memory_group; |
| std::vector<CLTensor> _results_vector; |
| CLTensor _not_reshaped_output; |
| std::vector<CLArgMinMaxLayerKernel> _reduction_kernels_vector; |
| CLReshapeLayerKernel _reshape_kernel; |
| unsigned int _num_of_stages; |
| unsigned int _reduction_axis; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CLARGMINMAXLAYER_H */ |