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Diffstat (limited to 'tests/validation/reference/Gather.cpp')
| -rw-r--r-- | tests/validation/reference/Gather.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tests/validation/reference/Gather.cpp b/tests/validation/reference/Gather.cpp new file mode 100644 index 0000000000..ab5ea2f92e --- /dev/null +++ b/tests/validation/reference/Gather.cpp @@ -0,0 +1,75 @@ +/* + * 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 "Gather.h" + +#include "arm_compute/core/Types.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" +#include "tests/validation/Helpers.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T> +SimpleTensor<T> gather(const SimpleTensor<T> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis) +{ + const auto *indices_ptr = static_cast<const uint32_t *>(indices.data()); + const TensorShape dst_shape = arm_compute::misc::shape_calculator::compute_gather_shape(src.shape(), indices.shape(), actual_axis); + SimpleTensor<T> dst(dst_shape, src.data_type()); + + Window win; + win.use_tensor_dimensions(dst_shape); + execute_window_loop(win, [&](const Coordinates & id) + { + Coordinates offset; + for(unsigned int dim = 0; dim < id.num_dimensions(); ++dim) + { + if(dim == actual_axis) + { + offset.set(dim, indices_ptr[id[dim]]); + } + else + { + offset.set(dim, id[dim]); + } + } + *reinterpret_cast<T *>(dst(id)) = *reinterpret_cast<const T *>(src(offset)); + }); + + return dst; +} + +template SimpleTensor<float> gather(const SimpleTensor<float> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); +template SimpleTensor<half> gather(const SimpleTensor<half> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); +template SimpleTensor<uint16_t> gather(const SimpleTensor<uint16_t> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); +template SimpleTensor<uint8_t> gather(const SimpleTensor<uint8_t> &src, const SimpleTensor<uint32_t> &indices, uint32_t actual_axis); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute
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