| /* |
| * Copyright (c) 2017 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 "Utils.h" |
| |
| #include "tests/validation/Helpers.h" |
| #include "tests/validation/half.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| // Return a tensor element at a specified coordinate with different border modes |
| template <typename T> |
| T tensor_elem_at(const SimpleTensor<T> &in, Coordinates coord, BorderMode border_mode, T constant_border_value) |
| { |
| const int x = coord.x(); |
| const int y = coord.y(); |
| const auto width = static_cast<int>(in.shape().x()); |
| const auto height = static_cast<int>(in.shape().y()); |
| |
| // If coordinates beyond range of tensor's width or height |
| if(x < 0 || y < 0 || x >= width || y >= height) |
| { |
| if(border_mode == BorderMode::REPLICATE) |
| { |
| coord.set(0, std::max(0, std::min(x, width - 1))); |
| coord.set(1, std::max(0, std::min(y, height - 1))); |
| } |
| else |
| { |
| return constant_border_value; |
| } |
| } |
| return in[coord2index(in.shape(), coord)]; |
| } |
| template float tensor_elem_at(const SimpleTensor<float> &in, Coordinates coord, BorderMode border_mode, float constant_border_value); |
| template uint8_t tensor_elem_at(const SimpleTensor<uint8_t> &in, Coordinates coord, BorderMode border_mode, uint8_t constant_border_value); |
| |
| // Return the bilinear value at a specified coordinate with different border modes |
| template <typename T> |
| T bilinear_policy(const SimpleTensor<T> &in, Coordinates id, float xn, float yn, BorderMode border_mode, uint8_t constant_border_value) |
| { |
| int idx = std::floor(xn); |
| int idy = std::floor(yn); |
| |
| const float dx = xn - idx; |
| const float dy = yn - idy; |
| const float dx_1 = 1.0f - dx; |
| const float dy_1 = 1.0f - dy; |
| |
| id.set(0, idx); |
| id.set(1, idy); |
| const T tl = tensor_elem_at(in, id, border_mode, constant_border_value); |
| id.set(0, idx + 1); |
| id.set(1, idy); |
| const T tr = tensor_elem_at(in, id, border_mode, constant_border_value); |
| id.set(0, idx); |
| id.set(1, idy + 1); |
| const T bl = tensor_elem_at(in, id, border_mode, constant_border_value); |
| id.set(0, idx + 1); |
| id.set(1, idy + 1); |
| const T br = tensor_elem_at(in, id, border_mode, constant_border_value); |
| |
| return tl * (dx_1 * dy_1) + tr * (dx * dy_1) + bl * (dx_1 * dy) + br * (dx * dy); |
| } |
| template uint8_t bilinear_policy(const SimpleTensor<uint8_t> &in, Coordinates id, float xn, float yn, BorderMode border_mode, uint8_t constant_border_value); |
| |
| /* Apply 2D spatial filter on a single element of @p in at coordinates @p coord |
| * |
| * - filter sizes have to be odd number |
| * - Row major order of filter assumed |
| * - TO_ZERO rounding policy assumed |
| * - SATURATE convert policy assumed |
| * |
| */ |
| template <typename T1, typename T2, typename T3> |
| void apply_2d_spatial_filter(Coordinates coord, const SimpleTensor<T1> &in, SimpleTensor<T3> &out, const TensorShape &filter_shape, const T2 *filter_itr, float scale, BorderMode border_mode, |
| T1 constant_border_value) |
| { |
| double val = 0; |
| const int x = coord.x(); |
| const int y = coord.y(); |
| for(int j = y - static_cast<int>(filter_shape[1] / 2); j <= y + static_cast<int>(filter_shape[1] / 2); ++j) |
| { |
| for(int i = x - static_cast<int>(filter_shape[0] / 2); i <= x + static_cast<int>(filter_shape[0] / 2); ++i) |
| { |
| coord.set(0, i); |
| coord.set(1, j); |
| val += static_cast<double>(*filter_itr) * tensor_elem_at(in, coord, border_mode, constant_border_value); |
| ++filter_itr; |
| } |
| } |
| coord.set(0, x); |
| coord.set(1, y); |
| const double rounded_val = support::cpp11::trunc(val * static_cast<double>(scale)); |
| out[coord2index(in.shape(), coord)] = saturate_cast<T3>(rounded_val); |
| } |
| template void apply_2d_spatial_filter(Coordinates coord, const SimpleTensor<float> &in, SimpleTensor<float> &out, const TensorShape &filter_shape, const float *filter_itr, float scale, |
| BorderMode border_mode, |
| float constant_border_value); |
| template void apply_2d_spatial_filter(Coordinates coord, const SimpleTensor<uint8_t> &in, SimpleTensor<uint8_t> &out, const TensorShape &filter_shape, const uint8_t *filter_itr, float scale, |
| BorderMode border_mode, |
| uint8_t constant_border_value); |
| |
| RawTensor transpose(const RawTensor &src, int chunk_width) |
| { |
| // Create reference |
| TensorShape dst_shape(src.shape()); |
| dst_shape.set(0, src.shape().y() * chunk_width); |
| dst_shape.set(1, std::ceil(src.shape().x() / static_cast<float>(chunk_width))); |
| |
| RawTensor dst{ dst_shape, src.data_type() }; |
| |
| // Compute reference |
| uint8_t *out_ptr = dst.data(); |
| |
| for(int i = 0; i < dst.num_elements(); i += chunk_width) |
| { |
| Coordinates coord = index2coord(dst.shape(), i); |
| size_t coord_x = coord.x(); |
| coord.set(0, coord.y() * chunk_width); |
| coord.set(1, coord_x / chunk_width); |
| |
| const int num_elements = std::min<int>(chunk_width, src.shape().x() - coord.x()); |
| |
| std::copy_n(static_cast<const uint8_t *>(src(coord)), num_elements * src.element_size(), out_ptr); |
| |
| out_ptr += chunk_width * dst.element_size(); |
| } |
| |
| return dst; |
| } |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |