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/*
* Copyright (c) 2022-2023 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 SRC_CORE_SVE_KERNELS_NEGENERATEPROPOSALSLAYERKERNEL_IMPL_H
#define SRC_CORE_SVE_KERNELS_NEGENERATEPROPOSALSLAYERKERNEL_IMPL_H
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/Window.h"
#include "src/core/NEON/wrapper/wrapper.h"
namespace arm_compute
{
namespace cpu
{
template <typename T>
void compute_all_anchors(const ITensor *anchors,
ITensor *all_anchors,
ComputeAnchorsInfo anchors_info,
const Window &window)
{
Iterator all_anchors_it(all_anchors, window);
Iterator anchors_it(all_anchors, window);
const size_t num_anchors = anchors->info()->dimension(1);
const T stride = 1.f / anchors_info.spatial_scale();
const size_t feat_width = anchors_info.feat_width();
execute_window_loop(
window,
[&](const Coordinates &id)
{
const size_t anchor_offset = id.y() % num_anchors;
const auto out_anchor_ptr = reinterpret_cast<T *>(all_anchors_it.ptr());
const auto anchor_ptr = reinterpret_cast<T *>(anchors->ptr_to_element(Coordinates(0, anchor_offset)));
const size_t shift_idy = id.y() / num_anchors;
const T shiftx = (shift_idy % feat_width) * stride;
const T shifty = (shift_idy / feat_width) * stride;
*out_anchor_ptr = *anchor_ptr + shiftx;
*(out_anchor_ptr + 1) = *(1 + anchor_ptr) + shifty;
*(out_anchor_ptr + 2) = *(2 + anchor_ptr) + shiftx;
*(out_anchor_ptr + 3) = *(3 + anchor_ptr) + shifty;
},
all_anchors_it);
}
void compute_all_anchors_qasymm16(const ITensor *anchors,
ITensor *all_anchors,
ComputeAnchorsInfo anchors_info,
const Window &window);
} // namespace cpu
} // namespace arm_compute
#endif //define SRC_CORE_SVE_KERNELS_NEGENERATEPROPOSALSLAYERKERNEL_IMPL_H
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