| /* |
| * 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_NESELECTKERNEL_H |
| #define ARM_COMPUTE_NESELECTKERNEL_H |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** Interface for the select kernel |
| * |
| * Select is computed by: |
| * @f[ output(i) = condition(i) ? x(i) : y(i) @f] |
| * |
| */ |
| class NESelectKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NESelectKernel"; |
| } |
| /** Default constructor */ |
| NESelectKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NESelectKernel(const NESelectKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NESelectKernel &operator=(const NESelectKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NESelectKernel(NESelectKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NESelectKernel &operator=(NESelectKernel &&) = default; |
| /** Default destructor */ |
| ~NESelectKernel() = default; |
| |
| /** Common signature for all the specialised elementwise functions |
| * |
| * @param[in] c Condition input tensor. Data types supported: U8. |
| * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. |
| * @param[out] y Second input tensor. Data types supported: Same as @p x |
| * @param[in] output Output tensor. Data types supported: Same as @p x |
| */ |
| void configure(const ITensor *c, const ITensor *x, const ITensor *y, ITensor *output); |
| |
| /** Validate the argument passed to the kernel |
| * |
| * @param[in] c Condition input tensor. Data types supported: U8. |
| * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. |
| * @param[in] y Second input tensor. Data types supported: Same as @p x |
| * @param[in] output Output tensor. Data types supported: Same as @p x. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *c, const ITensorInfo *x, const ITensorInfo *y, const ITensorInfo *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| /** Common signature for all the specialised select functions |
| * |
| * @param[in] c Condition input tensor. Data types supported: U8. |
| * @param[in] x First input tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. |
| * @param[in] y Second input tensor. Data types supported: Same as @p x |
| * @param[in] output Output tensor. Data types supported: Same as @p x. |
| */ |
| using SelectFunction = void(const ITensor *c, const ITensor *x, const ITensor *y, ITensor *output, const Window &window); |
| |
| /** Select function to use for the particular tensor types passed to configure() */ |
| SelectFunction *_function; |
| const ITensor *_c; /**< Condition tensor */ |
| const ITensor *_x; /**< Source tensor 1 */ |
| const ITensor *_y; /**< Source tensor 2 */ |
| ITensor *_output; /**< Destination tensor */ |
| bool _has_same_rank; /**< Flag that indicates if condition tensor and other inputs have the same rank */ |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_NESELECTKERNEL_H */ |