Sang-Hoon Park | 3687ee1 | 2020-06-24 13:34:04 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2020 Arm Limited. |
Sang-Hoon Park | 3687ee1 | 2020-06-24 13:34:04 +0100 | [diff] [blame] | 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 UTILS_CORE_SCALEUTILS_H |
| 25 | #define UTILS_CORE_SCALEUTILS_H |
| 26 | |
| 27 | #include "arm_compute/core/Types.h" |
| 28 | |
| 29 | #include <cstdint> |
| 30 | #include <cstdlib> |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | namespace scale_utils |
| 35 | { |
| 36 | /** Returns resize ratio between input and output with consideration of aligned corners |
| 37 | * |
| 38 | * @param[in] input_size The input size |
| 39 | * @param[in] output_size the output size |
| 40 | * @param[in] align_corners True to align corners of input and output. Defaults to false. |
| 41 | * |
| 42 | * @return The ratio between input and output (i.e., the input size divided by the output size) |
| 43 | */ |
| 44 | float calculate_resize_ratio(size_t input_size, size_t output_size, bool align_corners = false); |
| 45 | |
| 46 | /** Returns if aligned corners are allowed for the given sampling policy |
| 47 | * |
| 48 | * @param[in] sampling_policy The sampling policy to consider |
| 49 | * |
| 50 | * @return True if aligned corners are allowed |
| 51 | */ |
| 52 | inline bool is_align_corners_allowed_sampling_policy(SamplingPolicy sampling_policy) |
| 53 | { |
| 54 | return sampling_policy != SamplingPolicy::CENTER; |
| 55 | } |
Sang-Hoon Park | 3687ee1 | 2020-06-24 13:34:04 +0100 | [diff] [blame] | 56 | } // namespace scale_utils |
| 57 | } // namespace arm_compute |
| 58 | #endif /* UTILS_CORE_SCALEUTILS_H */ |