1 /* 2 * Copyright (c) 2019-2020 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/core/Types.h" 28 #include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h" 29 30 namespace arm_compute 31 { 32 class ITensor; 33 class ITensorInfo; 34 35 /** Basic function to run @ref NEDepthConvertLayerKernel. 36 * This function ignores the scale and zeroPoint of quanized tensors,so QASYMM8 input is treated as uint8 values. 37 */ 38 class NECast : public INESimpleFunctionNoBorder 39 { 40 public: 41 /** Initialize the function's source, destination 42 * 43 * Input data type must be different than output data type. 44 * 45 * Valid conversions Input -> Output : 46 * 47 * - QASYMM8_SIGNED -> S16, S32, F32, F16 48 * - QASYMM8 -> U16, S16, S32, F32, F16 49 * - U8 -> U16, S16, S32, F32, F16 50 * - U16 -> U8, U32 51 * - S16 -> QASYMM8_SIGNED, U8, S32 52 * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8 53 * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8 54 * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8 55 * 56 * @param[in] input The input tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32. 57 * @param[out] output The output tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32. 58 * @param[in] policy Conversion policy. 59 */ 60 void configure(ITensor *input, ITensor *output, ConvertPolicy policy); 61 /** Static function to check if given info will lead to a valid configuration of @ref NECast 62 * 63 * @param[in] input Source tensor info. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32. 64 * @param[in] output Destination tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32. 65 * @param[in] policy Conversion policy. 66 * 67 * @return a status 68 */ 69 static Status validate(ITensorInfo *input, ITensorInfo *output, ConvertPolicy policy); 70 }; 71 } // namespace arm_compute 72 #endif /*ARM_COMPUTE_NECAST_H*/ 73