Chunosov | d621bca | 2017-11-03 17:33:15 +0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 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 | #ifndef __ARM_COMPUTE_QUANTIZATION_ASYMM_HELPERS_H__ |
| 25 | #define __ARM_COMPUTE_QUANTIZATION_ASYMM_HELPERS_H__ |
| 26 | |
| 27 | #include "arm_compute/core/Error.h" |
| 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | namespace quantization |
| 32 | { |
| 33 | /** Calculate quantized representation of multiplier with value less than one. |
| 34 | * |
| 35 | * @param[in] multiplier Real multiplier. |
| 36 | * @param[out] quant_multiplier Integer multiplier. |
| 37 | * @param[out] right_shift Right bit shift. |
Georgios Pinitas | 631c41a | 2017-12-06 11:53:03 +0000 | [diff] [blame] | 38 | * |
| 39 | * @return a status |
Chunosov | d621bca | 2017-11-03 17:33:15 +0700 | [diff] [blame] | 40 | */ |
Gian Marco Iodice | 3139f03 | 2018-11-05 14:26:32 +0000 | [diff] [blame^] | 41 | arm_compute::Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift); |
Chunosov | f450caa | 2017-11-08 16:09:35 +0700 | [diff] [blame] | 42 | /** Calculate quantized representation of multiplier having value greater than one. |
| 43 | * |
| 44 | * @param[in] multiplier Real multiplier. |
| 45 | * @param[out] quantized_multiplier Integer multiplier. |
| 46 | * @param[out] left_shift Left bit shift. |
Georgios Pinitas | 631c41a | 2017-12-06 11:53:03 +0000 | [diff] [blame] | 47 | * |
| 48 | * @return a status |
Chunosov | f450caa | 2017-11-08 16:09:35 +0700 | [diff] [blame] | 49 | */ |
Gian Marco Iodice | 3139f03 | 2018-11-05 14:26:32 +0000 | [diff] [blame^] | 50 | arm_compute::Status calculate_quantized_multiplier_greater_than_one(float multiplier, int *quantized_multiplier, int *left_shift); |
Chunosov | d621bca | 2017-11-03 17:33:15 +0700 | [diff] [blame] | 51 | } // namespace quantization |
| 52 | } // namespace arm_compute |
| 53 | #endif /* __ARM_COMPUTE_IO_FILE_HANDLER_H__ */ |