92 lines
3.7 KiB
C++
92 lines
3.7 KiB
C++
/*
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* Copyright (c) 2019-2020 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "ComputeAllAnchors.h"
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#include "arm_compute/core/Types.h"
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#include "arm_compute/core/utils/misc/ShapeCalculator.h"
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#include "arm_compute/core/utils/misc/Utility.h"
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#include "tests/validation/Helpers.h"
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namespace arm_compute
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{
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namespace test
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{
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namespace validation
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{
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namespace reference
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{
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template <typename T>
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SimpleTensor<T> compute_all_anchors(const SimpleTensor<T> &anchors, const ComputeAnchorsInfo &info)
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{
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const int num_anchors = anchors.shape()[1];
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const auto width = int(info.feat_width());
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const auto height = int(info.feat_height());
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const float stride = 1. / info.spatial_scale();
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SimpleTensor<T> all_anchors(TensorShape(4, width * height * num_anchors), anchors.data_type());
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const T *anchors_ptr = anchors.data();
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T *all_anchors_ptr = all_anchors.data();
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// Iterate over the input grid and anchors
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#if defined(_OPENMP)
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#pragma omp parallel for schedule(dynamic, 1) collapse(3)
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#endif /* _OPENMP */
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for(int y = 0; y < height; y++)
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{
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for(int x = 0; x < width; x++)
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{
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for(int a = 0; a < num_anchors; a++)
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{
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const T shift_x = T(x) * T(stride);
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const T shift_y = T(y) * T(stride);
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const size_t anchor_id = a + x * num_anchors + y * width * num_anchors;
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// x1
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all_anchors_ptr[anchor_id * 4] = anchors_ptr[4 * a] + shift_x;
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// y1
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all_anchors_ptr[anchor_id * 4 + 1] = anchors_ptr[4 * a + 1] + shift_y;
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// x2
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all_anchors_ptr[anchor_id * 4 + 2] = anchors_ptr[4 * a + 2] + shift_x;
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// y2
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all_anchors_ptr[anchor_id * 4 + 3] = anchors_ptr[4 * a + 3] + shift_y;
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}
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}
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}
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return all_anchors;
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}
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template SimpleTensor<float> compute_all_anchors(const SimpleTensor<float> &anchors, const ComputeAnchorsInfo &info);
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template SimpleTensor<half> compute_all_anchors(const SimpleTensor<half> &anchors, const ComputeAnchorsInfo &info);
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template <>
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SimpleTensor<int16_t> compute_all_anchors(const SimpleTensor<int16_t> &anchors, const ComputeAnchorsInfo &info)
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{
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SimpleTensor<float> anchors_tmp = convert_from_symmetric(anchors);
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SimpleTensor<float> all_anchors_tmp = compute_all_anchors(anchors_tmp, info);
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SimpleTensor<int16_t> all_anchors = convert_to_symmetric<int16_t>(all_anchors_tmp, anchors.quantization_info());
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return all_anchors;
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}
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} // namespace reference
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} // namespace validation
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} // namespace test
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} // namespace arm_compute
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