Michele Di Giorgio | 5daeffd | 2018-11-26 10:01:15 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Michele Di Giorgio | 5daeffd | 2018-11-26 10:01:15 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "Reverse.h" |
| 25 | |
| 26 | #include "arm_compute/core/Types.h" |
| 27 | #include "tests/validation/Helpers.h" |
| 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | namespace test |
| 32 | { |
| 33 | namespace validation |
| 34 | { |
| 35 | namespace reference |
| 36 | { |
| 37 | template <typename T> |
| 38 | SimpleTensor<T> reverse(const SimpleTensor<T> &src, const SimpleTensor<uint32_t> &axis) |
| 39 | { |
| 40 | ARM_COMPUTE_ERROR_ON(axis.shape().num_dimensions() > 1); |
| 41 | ARM_COMPUTE_ERROR_ON(axis.shape().x() > 4); |
| 42 | |
| 43 | // Create reference |
| 44 | SimpleTensor<T> dst{ src.shape(), src.data_type(), src.num_channels(), src.quantization_info() }; |
| 45 | |
| 46 | const unsigned int width = src.shape()[0]; |
| 47 | const unsigned int height = src.shape()[1]; |
| 48 | const unsigned int depth = src.shape()[2]; |
| 49 | const unsigned int batches = src.shape()[3]; |
| 50 | |
| 51 | std::array<bool, 4> to_reverse = { { false, false, false, false } }; |
| 52 | for(int i = 0; i < axis.num_elements(); ++i) |
| 53 | { |
| 54 | to_reverse[axis[i]] = true; |
| 55 | } |
| 56 | |
Michalis Spyrou | fae513c | 2019-10-16 17:41:33 +0100 | [diff] [blame] | 57 | const uint32_t num_elements = src.num_elements(); |
Michalis Spyrou | d1d7722 | 2020-04-08 14:10:15 +0100 | [diff] [blame] | 58 | |
| 59 | #if defined(_OPENMP) |
| 60 | #pragma omp parallel for |
| 61 | #endif /* _OPENMP */ |
Michalis Spyrou | fae513c | 2019-10-16 17:41:33 +0100 | [diff] [blame] | 62 | for(uint32_t i = 0; i < num_elements; ++i) |
Michele Di Giorgio | 5daeffd | 2018-11-26 10:01:15 +0000 | [diff] [blame] | 63 | { |
| 64 | const Coordinates src_coord = index2coord(src.shape(), i); |
| 65 | const unsigned int dst_x = to_reverse[0] ? width - src_coord[0] - 1 : src_coord[0]; |
| 66 | const unsigned int dst_y = to_reverse[1] ? height - src_coord[1] - 1 : src_coord[1]; |
| 67 | const unsigned int dst_z = to_reverse[2] ? depth - src_coord[2] - 1 : src_coord[2]; |
| 68 | const unsigned int dst_w = to_reverse[3] ? batches - src_coord[3] - 1 : src_coord[3]; |
| 69 | |
| 70 | dst[coord2index(src.shape(), Coordinates(dst_x, dst_y, dst_z, dst_w))] = src[i]; |
| 71 | } |
| 72 | |
| 73 | return dst; |
| 74 | } |
| 75 | |
| 76 | template SimpleTensor<uint8_t> reverse(const SimpleTensor<uint8_t> &src, const SimpleTensor<uint32_t> &axis); |
| 77 | template SimpleTensor<half> reverse(const SimpleTensor<half> &src, const SimpleTensor<uint32_t> &axis); |
| 78 | template SimpleTensor<float> reverse(const SimpleTensor<float> &src, const SimpleTensor<uint32_t> &axis); |
| 79 | } // namespace reference |
| 80 | } // namespace validation |
| 81 | } // namespace test |
| 82 | } // namespace arm_compute |