| /* |
| * Copyright (c) 2020, 2022 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. |
| */ |
| #ifndef UTILS_CORE_SCALEUTILS_H |
| #define UTILS_CORE_SCALEUTILS_H |
| |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| namespace scale_utils |
| { |
| /** Returns resize ratio between input and output with consideration of aligned corners |
| * |
| * @param[in] input_size The input size |
| * @param[in] output_size the output size |
| * @param[in] align_corners True to align corners of input and output. Defaults to false. |
| * |
| * @return The ratio between input and output (i.e., the input size divided by the output size) |
| */ |
| float calculate_resize_ratio(size_t input_size, size_t output_size, bool align_corners = false); |
| |
| /** Returns if aligned corners are allowed for the given sampling policy |
| * |
| * @param[in] sampling_policy The sampling policy to consider |
| * |
| * @return True if aligned corners are allowed |
| */ |
| inline bool is_align_corners_allowed_sampling_policy(SamplingPolicy sampling_policy) |
| { |
| return sampling_policy != SamplingPolicy::CENTER; |
| } |
| |
| /** Returns if precomputation of indices and/or weights is required or/not |
| * |
| * @param[in] data_layout Data layout |
| * @param[in] data_type Data type |
| * @param[in] policy Interpolation policy |
| * @param[in] border_mode Border Mode |
| * |
| * @return True if precomputation is required |
| */ |
| bool is_precomputation_required(DataLayout data_layout, |
| DataType data_type, |
| InterpolationPolicy policy, |
| BorderMode border_mode); |
| |
| } // namespace scale_utils |
| } // namespace arm_compute |
| #endif /* UTILS_CORE_SCALEUTILS_H */ |