1 /* 2 * Copyright (c) 2018-2021 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_NEELEMENTWISEUNARYLAYER_H 25 #define ARM_COMPUTE_NEELEMENTWISEUNARYLAYER_H 26 27 #include "arm_compute/core/Error.h" 28 #include "arm_compute/core/Types.h" 29 #include "arm_compute/runtime/IFunction.h" 30 31 #include <memory> 32 33 namespace arm_compute 34 { 35 class ITensor; 36 class ITensorInfo; 37 /** Basic function to perform unary elementwise operations */ 38 template <ElementWiseUnary op> 39 class NEElementwiseUnaryLayer : public IFunction 40 { 41 public: 42 /** Default Constructor */ 43 NEElementwiseUnaryLayer(); 44 /** Default Destructor */ 45 ~NEElementwiseUnaryLayer(); 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEElementwiseUnaryLayer(const NEElementwiseUnaryLayer &) = delete; 48 /** Default move constructor */ 49 NEElementwiseUnaryLayer(NEElementwiseUnaryLayer &&); 50 /** Prevent instances of this class from being copied (As this class contains pointers) */ 51 NEElementwiseUnaryLayer &operator=(const NEElementwiseUnaryLayer &) = delete; 52 /** Default move assignment operator */ 53 NEElementwiseUnaryLayer &operator=(NEElementwiseUnaryLayer &&); 54 55 /** Initialize the function 56 * 57 * Valid data layouts: 58 * - All 59 * 60 * Valid data type configurations: 61 * |src |dst | 62 * |:--------------|:--------------| 63 * |F16 |F16 | 64 * |F32 |F32 | 65 * |S32 |S32 | 66 * 67 * @param[in] input Input tensor. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations. 68 * @param[out] output Output tensor. Data types supported: Same as @p input. 69 */ 70 void configure(const ITensor *input, ITensor *output); 71 /** Static function to check if given info will lead to a valid configuration 72 * 73 * @param[in] input Input tensor info. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations. 74 * @param[in] output Output tensor info. Data types supported: Same as @p input. 75 * 76 * @return a status 77 */ 78 static Status validate(const ITensorInfo *input, const ITensorInfo *output); 79 // Inherited methods overridden: 80 void run() override; 81 82 private: 83 struct Impl; 84 std::unique_ptr<Impl> _impl; 85 }; 86 87 using NERsqrtLayer = NEElementwiseUnaryLayer<ElementWiseUnary::RSQRT>; 88 using NEExpLayer = NEElementwiseUnaryLayer<ElementWiseUnary::EXP>; 89 using NENegLayer = NEElementwiseUnaryLayer<ElementWiseUnary::NEG>; 90 using NELogLayer = NEElementwiseUnaryLayer<ElementWiseUnary::LOG>; 91 using NEAbsLayer = NEElementwiseUnaryLayer<ElementWiseUnary::ABS>; 92 using NERoundLayer = NEElementwiseUnaryLayer<ElementWiseUnary::ROUND>; 93 using NESinLayer = NEElementwiseUnaryLayer<ElementWiseUnary::SIN>; 94 95 } // namespace arm_compute 96 #endif /* ARM_COMPUTE_NEELEMENTWISEUNARYLAYER_H */ 97