1 /* 2 * Copyright (c) 2017-2021 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_NEDEQUANTIZATIONLAYER_H 25 #define ARM_COMPUTE_NEDEQUANTIZATIONLAYER_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 // Forward declarations 35 class ITensor; 36 class ITensorInfo; 37 38 /** Basic function to run @ref cpu::CpuDequantize that dequantizes an input tensor */ 39 class NEDequantizationLayer : public IFunction 40 { 41 public: 42 /** Default Constructor */ 43 NEDequantizationLayer(); 44 /** Default Destructor */ 45 ~NEDequantizationLayer(); 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEDequantizationLayer(const NEDequantizationLayer &) = delete; 48 /** Default move constructor */ 49 NEDequantizationLayer(NEDequantizationLayer &&) = default; 50 /** Prevent instances of this class from being copied (As this class contains pointers) */ 51 NEDequantizationLayer &operator=(const NEDequantizationLayer &) = delete; 52 /** Default move assignment operator */ 53 NEDequantizationLayer &operator=(NEDequantizationLayer &&) = default; 54 /** Configure the kernel. 55 * 56 * Valid data layouts: 57 * - All 58 * 59 * Valid data type configurations: 60 * |src |dst | 61 * |:------------------|:-----------| 62 * |QASYMM8 |F16, F32 | 63 * |QASYMM8_SIGNED |F16, F32 | 64 * |QSYMM8_PER_CHANNEL |F16, F32 | 65 * |QSYMM8 |F16, F32 | 66 * |QSYMM16 |F16, F32 | 67 * 68 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM8_PER_CHANNEL/QSYMM8/QSYMM16. 69 * @param[out] output Destination tensor with the same dimensions of input. Data type supported: F16/F32. 70 */ 71 void configure(const ITensor *input, ITensor *output); 72 /** Static function to check if given info will lead to a valid configuration of @ref NEDequantizationLayer 73 * 74 * @param[in] input Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM8_PER_CHANNEL/QSYMM8/QSYMM16. 75 * @param[in] output Output tensor info. Data type supported: F16/F32. 76 * 77 * @return a status 78 */ 79 static Status validate(const ITensorInfo *input, const ITensorInfo *output); 80 81 // Inherited methods overridden: 82 void run() override; 83 84 private: 85 struct Impl; 86 std::unique_ptr<Impl> _impl; 87 }; 88 } // namespace arm_compute 89 #endif /* ARM_COMPUTE_NEDEQUANTIZATIONLAYER_H */ 90