John Richardson | f89a49f | 2017-09-05 11:21:56 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 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 src 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 src 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. src NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER src AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR src CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "MinMaxLocation.h" |
| 25 | |
| 26 | namespace arm_compute |
| 27 | { |
| 28 | namespace test |
| 29 | { |
| 30 | namespace validation |
| 31 | { |
| 32 | namespace reference |
| 33 | { |
| 34 | template <typename T> |
| 35 | void compute_min_max(const SimpleTensor<T> &src, T &min, T &max) |
| 36 | { |
| 37 | // Set min and max to first pixel |
| 38 | min = src[0]; |
| 39 | max = src[0]; |
| 40 | |
| 41 | ARM_COMPUTE_ERROR_ON(src.num_elements() == 0); |
| 42 | |
| 43 | // Look for min and max values |
| 44 | for(int i = 1; i < src.num_elements(); ++i) |
| 45 | { |
| 46 | if(src[i] < min) |
| 47 | { |
| 48 | min = src[i]; |
| 49 | } |
| 50 | if(src[i] > max) |
| 51 | { |
| 52 | max = src[i]; |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | template <typename T> |
| 58 | MinMaxLocationValues<T> min_max_location(const SimpleTensor<T> &src) |
| 59 | { |
| 60 | MinMaxLocationValues<T> dst; |
| 61 | |
| 62 | const size_t width = src.shape().x(); |
| 63 | |
| 64 | compute_min_max<T>(src, dst.min, dst.max); |
| 65 | |
| 66 | Coordinates2D coord{ 0, 0 }; |
| 67 | |
| 68 | for(int i = 0; i < src.num_elements(); ++i) |
| 69 | { |
| 70 | coord.x = static_cast<int32_t>(i % width); |
| 71 | coord.y = static_cast<int32_t>(i / width); |
| 72 | |
| 73 | if(src[i] == dst.min) |
| 74 | { |
| 75 | dst.min_loc.push_back(coord); |
| 76 | } |
| 77 | if(src[i] == dst.max) |
| 78 | { |
| 79 | dst.max_loc.push_back(coord); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return dst; |
| 84 | } |
| 85 | |
| 86 | template MinMaxLocationValues<uint8_t> min_max_location(const SimpleTensor<uint8_t> &src); |
| 87 | template MinMaxLocationValues<int16_t> min_max_location(const SimpleTensor<int16_t> &src); |
| 88 | template MinMaxLocationValues<float> min_max_location(const SimpleTensor<float> &src); |
| 89 | } // namespace reference |
| 90 | } // namespace validation |
| 91 | } // namespace test |
| 92 | } // namespace arm_compute |