/* * Copyright (c) 2017-2018 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. */ #include #include namespace arm_compute { #ifndef DOXYGEN_SKIP_THIS inline qasymm8_t sqcvt_qasymm8_f32(float value, float scale, int offset, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { int quantized = arm_compute::round(value / scale, rounding_policy) + offset; quantized = std::max(0, std::min(quantized, 255)); return quantized; } inline float scvt_f32_qasymm8(qasymm8_t value, float scale, int offset) { float dequantized = (static_cast(value) - offset) * scale; return dequantized; } #endif /* DOXYGEN_SKIP_THIS */ }