1 /* 2 * Copyright (c) 2019-2021 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_NEPRELULAYER_H 25 #define ARM_COMPUTE_NEPRELULAYER_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/IFunction.h" 29 30 #include <memory> 31 32 namespace arm_compute 33 { 34 class ITensor; 35 class ITensorInfo; 36 37 /** Basic function to run @ref cpu::kernels::CpuArithmeticKernel for PRELU 38 * 39 * @note The function implements an activation layer with the PRELU activation function. 40 */ 41 class NEPReluLayer : public IFunction 42 { 43 public: 44 /** Default Constructor */ 45 NEPReluLayer(); 46 /** Default Destructor */ 47 ~NEPReluLayer(); 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 NEPReluLayer(const NEPReluLayer &) = delete; 50 /** Default move constructor */ 51 NEPReluLayer(NEPReluLayer &&); 52 /** Prevent instances of this class from being copied (As this class contains pointers) */ 53 NEPReluLayer &operator=(const NEPReluLayer &) = delete; 54 /** Default move assignment operator */ 55 NEPReluLayer &operator=(NEPReluLayer &&); 56 /** Set the input and output tensor. 57 * 58 * Valid data layouts: 59 * - All 60 * 61 * Valid data type configurations: 62 * |src |dst | 63 * |:--------------|:--------------| 64 * |QASYMM8 |QASYMM8 | 65 * |QASYMM8_SIGNED |QASYMM8_SIGNED | 66 * |F16 |F16 | 67 * |F32 |F32 | 68 * 69 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 70 * @param[in] alpha Source alpha tensor. Data types supported: same of @p input. 71 * @param[out] output Destination tensor. Data type supported: same as @p input 72 */ 73 void configure(const ITensor *input, const ITensor *alpha, ITensor *output); 74 /** Static function to check if given info will lead to a valid configuration of @ref NEPReluLayer 75 * 76 * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 77 * @param[in] alpha Source alpha tensor info. Data types supported: same of @p input. 78 * @param[in] output Destination tensor info. Data type supported: same as @p input 79 * 80 * @return a status 81 */ 82 static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output); 83 84 // Inherited methods overridden: 85 void run() override; 86 87 private: 88 struct Impl; 89 std::unique_ptr<Impl> _impl; 90 }; 91 } // namespace arm_compute 92 #endif /* ARM_COMPUTE_NEPRELULAYER_H */ 93