| /* |
| * 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 src 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 src 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. src NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER src AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR src CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "MinMaxLocation.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| template <typename T> |
| void compute_min_max(const SimpleTensor<T> &src, T &min, T &max) |
| { |
| // Set min and max to first pixel |
| min = src[0]; |
| max = src[0]; |
| |
| ARM_COMPUTE_ERROR_ON(src.num_elements() == 0); |
| |
| // Look for min and max values |
| for(int i = 1; i < src.num_elements(); ++i) |
| { |
| if(src[i] < min) |
| { |
| min = src[i]; |
| } |
| if(src[i] > max) |
| { |
| max = src[i]; |
| } |
| } |
| } |
| |
| template <typename T> |
| MinMaxLocationValues<T> min_max_location(const SimpleTensor<T> &src) |
| { |
| MinMaxLocationValues<T> dst; |
| |
| const size_t width = src.shape().x(); |
| |
| compute_min_max<T>(src, dst.min, dst.max); |
| |
| Coordinates2D coord{ 0, 0 }; |
| |
| for(int i = 0; i < src.num_elements(); ++i) |
| { |
| coord.x = static_cast<int32_t>(i % width); |
| coord.y = static_cast<int32_t>(i / width); |
| |
| if(src[i] == dst.min) |
| { |
| dst.min_loc.push_back(coord); |
| } |
| if(src[i] == dst.max) |
| { |
| dst.max_loc.push_back(coord); |
| } |
| } |
| |
| return dst; |
| } |
| |
| template MinMaxLocationValues<uint8_t> min_max_location(const SimpleTensor<uint8_t> &src); |
| template MinMaxLocationValues<int16_t> min_max_location(const SimpleTensor<int16_t> &src); |
| template MinMaxLocationValues<float> min_max_location(const SimpleTensor<float> &src); |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |