| /* |
| * 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_CLUNSTACK_H__ |
| #define __ARM_COMPUTE_CLUNSTACK_H__ |
| |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include "arm_compute/runtime/CL/functions/CLStridedSlice.h" |
| |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** Basic function to unpack a rank-R tensor into rank-(R-1) tensors. This function calls the following functions: |
| * |
| * -# @ref CLStridedSlice |
| * |
| */ |
| class CLUnstack : public IFunction |
| { |
| public: |
| /** Default constructor */ |
| CLUnstack(); |
| /** Set the input, output and unstacking axis. |
| * |
| * @param[in] input A tensor to be unstacked. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32. |
| * @param[in,out] output_vector A vector of tensors. Data types supported: Same as @p input. |
| * Note: The number of elements of the vector will be used as the number of slices to be taken from the axis. |
| * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. |
| * |
| */ |
| void configure(const ICLTensor *input, const std::vector<ICLTensor *> &output_vector, int axis); |
| /** Static function to check if given info will lead to a valid configuration of @ref CLUnstack |
| * |
| * @param[in] input Input tensor info. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32 |
| * @param[in] output_vector Vector of output tensors' info. Data types supported: Same as @p input. |
| * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input, const std::vector<ITensorInfo *> &output_vector, int axis); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| unsigned int _num_slices; |
| std::vector<CLStridedSlice> _strided_slice_vector; |
| }; |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_CLUNSTACK_H__ */ |