| /* |
| * Copyright (c) 2017 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 <cmath> |
| #include <limits> |
| |
| namespace arm_compute |
| { |
| 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<int>(value) - offset) * scale; |
| return dequantized; |
| } |
| } |