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_NECAST_H 25 #define ARM_COMPUTE_NECAST_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 29 #include "arm_compute/core/Types.h" 30 31 #include <memory> 32 33 namespace arm_compute 34 { 35 class ITensor; 36 class ITensorInfo; 37 38 /** Basic function to run @ref cpu::kernels::CpuCastKernel. 39 * This function ignores the scale and zeroPoint of quanized tensors,so QASYMM8 input is treated as uint8 values. 40 */ 41 class NECast : public IFunction 42 { 43 public: 44 /** Constructor */ 45 NECast(); 46 /** Destructor */ 47 ~NECast(); 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 NECast(const NECast &) = delete; 50 /** Default move constructor */ 51 NECast(NECast &&); 52 /** Prevent instances of this class from being copied (As this class contains pointers) */ 53 NECast &operator=(const NECast &) = delete; 54 /** Default move assignment operator */ 55 NECast &operator=(NECast &&); 56 /** Initialize the function's source, destination 57 * 58 * Valid data layouts: 59 * - All 60 * 61 * Valid data type configurations: 62 * |src |dst | 63 * |:--------------|:-----------------------------------------------| 64 * |QASYMM8_SIGNED | S16, S32, F32, F16 | 65 * |QASYMM8 | U16, S16, S32, F32, F16 | 66 * |U8 | U16, S16, S32, F32, F16 | 67 * |U16 | U8, U32 | 68 * |S16 | QASYMM8_SIGNED, U8, S32 | 69 * |F16 | QASYMM8_SIGNED, QASYMM8, F32, S32, U8 | 70 * |S32 | QASYMM8_SIGNED, QASYMM8, F16, F32, U8 | 71 * |F32 | QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8| 72 * 73 * Input data type must be different than output data type. 74 * 75 * @param[in] input The input tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32. 76 * @param[out] output The output tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32. 77 * @param[in] policy Conversion policy. 78 */ 79 void configure(ITensor *input, ITensor *output, ConvertPolicy policy); 80 /** Static function to check if given info will lead to a valid configuration of @ref NECast 81 * 82 * @param[in] input Source tensor info. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32. 83 * @param[in] output Destination tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32. 84 * @param[in] policy Conversion policy. 85 * 86 * @return a status 87 */ 88 static Status validate(ITensorInfo *input, ITensorInfo *output, ConvertPolicy policy); 89 90 // Inherited methods overridden 91 void run() override; 92 93 private: 94 struct Impl; 95 std::unique_ptr<Impl> _impl; 96 }; 97 } // namespace arm_compute 98 #endif /*ARM_COMPUTE_NECAST_H*/ 99