| /* |
| * Copyright (c) 2016-2020 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_NEARITHMETICSUBTRACTIONKERNEL_H |
| #define ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** Interface for the kernel to perform subtraction between two tensors */ |
| class NEArithmeticSubtractionKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NEArithmeticSubtractionKernel"; |
| } |
| /** Default constructor */ |
| NEArithmeticSubtractionKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEArithmeticSubtractionKernel(const NEArithmeticSubtractionKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NEArithmeticSubtractionKernel &operator=(const NEArithmeticSubtractionKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NEArithmeticSubtractionKernel(NEArithmeticSubtractionKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NEArithmeticSubtractionKernel &operator=(NEArithmeticSubtractionKernel &&) = default; |
| /** Default destructor */ |
| ~NEArithmeticSubtractionKernel() = default; |
| |
| /** Initialise the kernel's input and output. |
| * |
| * Valid configurations (Input1,Input2) -> Output : |
| * |
| * - (U8,U8) -> U8 |
| * - (U8,U8) -> S16 |
| * - (QASYMM8, QASYMM8) -> QASYMM8 |
| * - (QASYMM8_SIGNED, QASYMM8_SIGNED) -> QASYMM8_SIGNED |
| * - (S16,U8) -> S16 |
| * - (U8,S16) -> S16 |
| * - (S16,S16) -> S16 |
| * - (F16,F16) -> F16 |
| * - (F32,F32) -> F32 |
| * |
| * @param[in] input1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[in] input2 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[out] output The output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32. |
| * @param[in] policy Overflow policy. Convert policy cannot be WRAP if datatype is quantized. |
| */ |
| void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy); |
| /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticSubtractionKernel |
| * |
| * @note Convert policy cannot be WRAP if datatype is QASYMM8 |
| * |
| * @param[in] input1 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[in] input2 An input tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[in] output The output tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32. |
| * @param[in] policy Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| /** Common signature for all the specialised sub functions |
| * |
| * @param[in] input1 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[in] input2 An input tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32 |
| * @param[out] output The output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/F16/F32. |
| * @param[in] window Region on which to execute the kernel. |
| * @param[in] is_sat Flag to indicate if the policy is SATURATE. |
| */ |
| using SubFunction = void(const ITensor *input1, const ITensor *input2, ITensor *output, const Window &window, bool is_sat); |
| /** Sub function to use for the particular tensor types passed to configure() */ |
| SubFunction *_func; |
| const ITensor *_input1; |
| const ITensor *_input2; |
| ITensor *_output; |
| ConvertPolicy _policy; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H */ |