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/*
* 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
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