1 /* 2 * Copyright (c) 2019 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 25 #pragma once 26 #include <cstdint> 27 28 namespace qasymm8 29 { 30 31 struct QAsymm8Params 32 { 33 uint8_t quantize(float value) const; 34 float dequantize(uint8_t value) const; 35 36 uint8_t offset; 37 float scale; 38 }; 39 40 struct QAsymm8RescaleParams 41 { 42 static QAsymm8RescaleParams make_rescale_params( 43 const QAsymm8Params& weight_quant, 44 const QAsymm8Params& input_quant, 45 const QAsymm8Params& output_quant 46 ); 47 48 QAsymm8RescaleParams(int32_t shift, int32_t multiplier, float rescale); 49 50 const int32_t shift, multiplier; 51 const float rescale; 52 }; 53 54 } 55