Manuel Bottini | 8529bd6 | 2018-11-21 11:53:04 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2019 Arm Limited. |
Manuel Bottini | 8529bd6 | 2018-11-21 11:53:04 +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 | |
| 25 | #include "Gather.h" |
| 26 | |
| 27 | #include "arm_compute/core/Types.h" |
| 28 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| 29 | #include "tests/validation/Helpers.h" |
| 30 | |
| 31 | namespace arm_compute |
| 32 | { |
| 33 | namespace test |
| 34 | { |
| 35 | namespace validation |
| 36 | { |
| 37 | namespace reference |
| 38 | { |
| 39 | template <typename T> |
| 40 | SimpleTensor<T> gather(const SimpleTensor<T> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis) |
| 41 | { |
| 42 | const auto *indices_ptr = static_cast<const uint32_t *>(indices.data()); |
| 43 | const TensorShape dst_shape = arm_compute::misc::shape_calculator::compute_gather_shape(src.shape(), indices.shape(), actual_axis); |
| 44 | SimpleTensor<T> dst(dst_shape, src.data_type()); |
| 45 | |
| 46 | Window win; |
| 47 | win.use_tensor_dimensions(dst_shape); |
| 48 | execute_window_loop(win, [&](const Coordinates & id) |
| 49 | { |
| 50 | Coordinates offset; |
| 51 | for(unsigned int dim = 0; dim < id.num_dimensions(); ++dim) |
| 52 | { |
| 53 | if(dim == actual_axis) |
| 54 | { |
| 55 | offset.set(dim, indices_ptr[id[dim]]); |
| 56 | } |
| 57 | else |
| 58 | { |
| 59 | offset.set(dim, id[dim]); |
| 60 | } |
| 61 | } |
| 62 | *reinterpret_cast<T *>(dst(id)) = *reinterpret_cast<const T *>(src(offset)); |
| 63 | }); |
| 64 | |
| 65 | return dst; |
| 66 | } |
| 67 | |
| 68 | template SimpleTensor<float> gather(const SimpleTensor<float> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); |
| 69 | template SimpleTensor<half> gather(const SimpleTensor<half> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); |
| 70 | template SimpleTensor<uint16_t> gather(const SimpleTensor<uint16_t> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); |
| 71 | template SimpleTensor<uint8_t> gather(const SimpleTensor<uint8_t> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); |
| 72 | } // namespace reference |
| 73 | } // namespace validation |
| 74 | } // namespace test |
| 75 | } // namespace arm_compute |