1 /* 2 * Copyright (c) 2016-2021 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_NEARITHMETICSUBTRACTION_H 25 #define ARM_COMPUTE_NEARITHMETICSUBTRACTION_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/IFunction.h" 29 #include "arm_compute/runtime/NEON/INEOperator.h" 30 31 namespace arm_compute 32 { 33 class ITensor; 34 35 /** Basic function to run @ref cpu::kernels::CpuSubKernel 36 * 37 * @note The tensor data type for the inputs must be U8/QASYMM8/S16/S32/F16/F32. 38 * @note The function performs an arithmetic subtraction between two tensors. 39 * 40 * This function calls the following kernels: 41 * -# @ref cpu::kernels::CpuSubKernel 42 */ 43 class NEArithmeticSubtraction : public IFunction 44 { 45 public: 46 /** Default Constructor */ 47 NEArithmeticSubtraction(); 48 /** Default Destructor */ 49 ~NEArithmeticSubtraction(); 50 /** Prevent instances of this class from being copied (As this class contains pointers) */ 51 NEArithmeticSubtraction(const NEArithmeticSubtraction &) = delete; 52 /** Default move constructor */ 53 NEArithmeticSubtraction(NEArithmeticSubtraction &&); 54 /** Prevent instances of this class from being copied (As this class contains pointers) */ 55 NEArithmeticSubtraction &operator=(const NEArithmeticSubtraction &) = delete; 56 /** Default move assignment operator */ 57 NEArithmeticSubtraction &operator=(NEArithmeticSubtraction &&); 58 /** Initialise the kernel's inputs, output and conversion policy. 59 * 60 * Valid data layouts: 61 * - All 62 * 63 * Valid data type configurations: 64 * |src0 |src1 |dst | 65 * |:--------------|:--------------|:--------------| 66 * |QASYMM8 |QASYMM8 |QASYMM8 | 67 * |QASYMM8_SIGNED |QASYMM8_SIGNED |QASYMM8_SIGNED | 68 * |QSYMM16 |QSYMM16 |QASYMM16 | 69 * |QSYMM16 |QSYMM16 |S32 | 70 * |U8 |U8 |U8 | 71 * |S16 |S16 |S16 | 72 * |S32 |S32 |S32 | 73 * |F16 |F16 |F16 | 74 * |F32 |F32 |F32 | 75 * 76 * @param[in] input1 First tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 77 * @param[in] input2 Second tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 78 * @param[out] output Output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/QSYMM16/S16/S32/F16/F32 79 * @param[in] policy Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized. 80 * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Currently not supported. 81 */ 82 void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo()); 83 /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticSubtraction 84 * 85 * @param[in] input1 First tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/S32/F16/F32 86 * @param[in] input2 Second tensor input. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/S32/F16/F32 87 * @param[in] output Output tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/S32/F16/F32 88 * @param[in] policy Policy to use to handle overflow. Convert policy cannot be WRAP if datatype is quantized. 89 * @param[in] act_info (Optional) Activation layer information in case of a fused activation. Currently not supported. 90 * 91 * @return a status 92 */ 93 static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy, const ActivationLayerInfo &act_info = ActivationLayerInfo()); 94 95 // Inherited methods overridden: 96 void run() override; 97 98 private: 99 struct Impl; 100 std::unique_ptr<Impl> _impl; 101 }; 102 } // namespace arm_compute 103 #endif /* ARM_COMPUTE_NEARITHMETICSUBTRACTION_H */ 104