Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #ifndef __ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H__ |
| 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | class ITensor; |
| 33 | |
| 34 | /** Interface for the kernel to perform subtraction between two tensors */ |
| 35 | class NEArithmeticSubtractionKernel : public INEKernel |
| 36 | { |
| 37 | public: |
| 38 | /** Default constructor */ |
| 39 | NEArithmeticSubtractionKernel(); |
| 40 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 41 | NEArithmeticSubtractionKernel(const NEArithmeticSubtractionKernel &) = delete; |
| 42 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 43 | NEArithmeticSubtractionKernel &operator=(const NEArithmeticSubtractionKernel &) = delete; |
| 44 | /** Allow instances of this class to be moved */ |
| 45 | NEArithmeticSubtractionKernel(NEArithmeticSubtractionKernel &&) = default; |
| 46 | /** Allow instances of this class to be moved */ |
| 47 | NEArithmeticSubtractionKernel &operator=(NEArithmeticSubtractionKernel &&) = default; |
| 48 | /** Default destructor */ |
| 49 | ~NEArithmeticSubtractionKernel() = default; |
| 50 | |
| 51 | /** Initialise the kernel's input, output and border mode. |
| 52 | * |
Michele Di Giorgio | 81f0d15 | 2017-07-11 15:00:52 +0100 | [diff] [blame] | 53 | * @param[in] input1 An input tensor. Data types supported: U8/QS8/QS16/S16/F32 |
| 54 | * @param[in] input2 An input tensor. Data types supported: U8, QS8 (only if @p input1 is QS8),QS16 (only if @p input1 is QS16), S16/F32 (only if @p input1 is F32). |
| 55 | * @param[out] output The output tensor. Data types supported: U8 (Only if both inputs are U8), QS8 (only if both inputs are QS8), QS16 (only if both inputs are QS16), S16/F32 (only if both inputs are F32). |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 56 | * @param[in] policy Overflow policy. |
| 57 | */ |
| 58 | void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy); |
| 59 | |
| 60 | // Inherited methods overridden: |
| 61 | void run(const Window &window) override; |
| 62 | |
| 63 | private: |
| 64 | /** Common signature for all the specialised sub functions |
| 65 | * |
Michele Di Giorgio | 81f0d15 | 2017-07-11 15:00:52 +0100 | [diff] [blame] | 66 | * @param[in] input1 An input tensor. Data types supported: U8/S16/F32 |
| 67 | * @param[in] input2 An input tensor. Data types supported: U8/S16/F32 (only if @p input1 is F32). |
| 68 | * @param[out] output The output tensor. Data types supported: U8 (Only if both inputs are U8), S16/F32 (only if both inputs are F32). |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 69 | * @param[in] window Region on which to execute the kernel. |
| 70 | */ |
| 71 | using SubFunction = void(const ITensor *input1, const ITensor *input2, ITensor *output, const Window &window); |
| 72 | /** Sub function to use for the particular tensor types passed to configure() */ |
| 73 | SubFunction *_func; |
| 74 | const ITensor *_input1; |
| 75 | const ITensor *_input2; |
| 76 | ITensor *_output; |
| 77 | }; |
| 78 | } |
| 79 | #endif /* __ARM_COMPUTE_NEARITHMETICSUBTRACTIONKERNEL_H__ */ |