| /* |
| * Copyright (c) 2018-2019 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 "Reverse.h" |
| |
| #include "arm_compute/core/Types.h" |
| #include "tests/validation/Helpers.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| template <typename T> |
| SimpleTensor<T> reverse(const SimpleTensor<T> &src, const SimpleTensor<uint32_t> &axis) |
| { |
| ARM_COMPUTE_ERROR_ON(axis.shape().num_dimensions() > 1); |
| ARM_COMPUTE_ERROR_ON(axis.shape().x() > 4); |
| |
| // Create reference |
| SimpleTensor<T> dst{ src.shape(), src.data_type(), src.num_channels(), src.quantization_info() }; |
| |
| const unsigned int width = src.shape()[0]; |
| const unsigned int height = src.shape()[1]; |
| const unsigned int depth = src.shape()[2]; |
| const unsigned int batches = src.shape()[3]; |
| |
| std::array<bool, 4> to_reverse = { { false, false, false, false } }; |
| for(int i = 0; i < axis.num_elements(); ++i) |
| { |
| to_reverse[axis[i]] = true; |
| } |
| |
| const uint32_t num_elements = src.num_elements(); |
| for(uint32_t i = 0; i < num_elements; ++i) |
| { |
| const Coordinates src_coord = index2coord(src.shape(), i); |
| const unsigned int dst_x = to_reverse[0] ? width - src_coord[0] - 1 : src_coord[0]; |
| const unsigned int dst_y = to_reverse[1] ? height - src_coord[1] - 1 : src_coord[1]; |
| const unsigned int dst_z = to_reverse[2] ? depth - src_coord[2] - 1 : src_coord[2]; |
| const unsigned int dst_w = to_reverse[3] ? batches - src_coord[3] - 1 : src_coord[3]; |
| |
| dst[coord2index(src.shape(), Coordinates(dst_x, dst_y, dst_z, dst_w))] = src[i]; |
| } |
| |
| return dst; |
| } |
| |
| template SimpleTensor<uint8_t> reverse(const SimpleTensor<uint8_t> &src, const SimpleTensor<uint32_t> &axis); |
| template SimpleTensor<half> reverse(const SimpleTensor<half> &src, const SimpleTensor<uint32_t> &axis); |
| template SimpleTensor<float> reverse(const SimpleTensor<float> &src, const SimpleTensor<uint32_t> &axis); |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |