| /* |
| * Copyright (c) 2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #pragma once |
| #include <cstdint> |
| #include <vector> |
| #include "qasymm8.hpp" |
| |
| |
| namespace qsymm8 { |
| |
| struct QSymm8Params { |
| int8_t quantize(float value) const; |
| float dequantize(int8_t value) const; |
| |
| float scale; |
| }; |
| |
| struct QSymm8RescaleParams { |
| static QSymm8RescaleParams |
| make_rescale_params(const QSymm8Params &weight_quant, |
| const QSymm8Params &input_quant, |
| const QSymm8Params &output_quant); |
| |
| QSymm8RescaleParams(int32_t shift, int32_t multiplier, float rescale); |
| |
| const int32_t shift, multiplier; |
| const float rescale; |
| }; |
| |
| struct QSymm8PerChannelParams { |
| int8_t quantize(float value, float scale) const; |
| float dequantize(int8_t value, float scale) const; |
| |
| std::vector<float> scales; |
| }; |
| |
| struct QSymm8PerChannelRescaleParams { |
| static QSymm8PerChannelRescaleParams |
| make_rescale_params(const QSymm8PerChannelParams &weight_quant, |
| const QSymm8PerChannelParams &input_quant, |
| const QSymm8PerChannelParams &output_quant); |
| |
| static QSymm8PerChannelRescaleParams |
| make_rescale_params(const QSymm8PerChannelParams &weight_quant, |
| const qasymm8::QAsymm8Params &input_quant, |
| const qasymm8::QAsymm8Params &output_quant); |
| |
| QSymm8PerChannelRescaleParams(std::vector<int32_t>& shift, std::vector<int32_t>& multiplier, std::vector<float>& rescale); |
| |
| std::vector<int32_t> shifts, multipliers; |
| std::vector<float> rescales; |
| }; |
| |
| } // namespace qsymm8 |