| /* |
| * 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 "validation/Helpers.h" |
| |
| using namespace arm_compute::test; |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| std::vector<ROI> generate_random_rois(const TensorShape &shape, const ROIPoolingLayerInfo &pool_info, unsigned int num_rois, std::random_device::result_type seed) |
| { |
| ARM_COMPUTE_ERROR_ON((pool_info.pooled_width() < 4) || (pool_info.pooled_height() < 4)); |
| |
| std::vector<ROI> rois; |
| std::mt19937 gen(seed); |
| const int pool_width = pool_info.pooled_width(); |
| const int pool_height = pool_info.pooled_height(); |
| const float roi_scale = pool_info.spatial_scale(); |
| |
| // Calculate distribution bounds |
| const auto scaled_width = static_cast<int>((shape.x() / roi_scale) / pool_width); |
| const auto scaled_height = static_cast<int>((shape.y() / roi_scale) / pool_height); |
| const auto min_width = static_cast<int>(pool_width / roi_scale); |
| const auto min_height = static_cast<int>(pool_height / roi_scale); |
| |
| // Create distributions |
| std::uniform_int_distribution<int> dist_batch(0, shape[3] - 1); |
| std::uniform_int_distribution<int> dist_x(0, scaled_width); |
| std::uniform_int_distribution<int> dist_y(0, scaled_height); |
| std::uniform_int_distribution<int> dist_w(min_width, std::max(min_width, (pool_width - 2) * scaled_width)); |
| std::uniform_int_distribution<int> dist_h(min_height, std::max(min_height, (pool_height - 2) * scaled_height)); |
| |
| for(unsigned int r = 0; r < num_rois; ++r) |
| { |
| ROI roi{}; |
| roi.batch_idx = dist_batch(gen); |
| roi.rect.x = dist_x(gen); |
| roi.rect.y = dist_y(gen); |
| roi.rect.width = dist_w(gen); |
| roi.rect.height = dist_h(gen); |
| rois.push_back(roi); |
| } |
| |
| return rois; |
| } |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |