|
15 | 15 | #include <numeric> |
16 | 16 | #endif |
17 | 17 | #endif |
18 | | -// #include <boost/timer/timer.hpp> |
| 18 | + |
| 19 | +#include <ranges> |
19 | 20 |
|
20 | 21 | #include <chrono> |
21 | 22 |
|
@@ -127,6 +128,50 @@ auto main() |
127 | 128 | }); |
128 | 129 | } |
129 | 130 | } |
| 131 | + { |
| 132 | + multi::array<int, 2> arr({5, 7}, 5); |
| 133 | + thrust::for_each(arr.elements().begin(), arr.elements().end(), |
| 134 | + [](auto& element) { ++element; } |
| 135 | + ); |
| 136 | + |
| 137 | + BOOST_TEST( arr[3][2]== 6 ); |
| 138 | + } |
| 139 | + { |
| 140 | + multi::array<int, 2> arr({5, 7}, 5); |
| 141 | + thrust::for_each(arr.elements().begin(), arr.elements().end(), |
| 142 | + [](auto& element) { ++element; } |
| 143 | + ); |
| 144 | + |
| 145 | + BOOST_TEST( arr[3][2]== 6 ); |
| 146 | + } |
| 147 | + { |
| 148 | + multi::array<int, 2> arr1({5, 7}, 5); |
| 149 | + multi::array<int, 2> arr2({5, 7}, 6); |
| 150 | + |
| 151 | + thrust::for_each( |
| 152 | + thrust::make_zip_iterator(arr1.elements().begin(), arr2.elements().begin()), |
| 153 | + thrust::make_zip_iterator(arr1.elements().end(), arr2.elements().end()), |
| 154 | + [](auto&& pair) { using std::get; thrust::swap(get<0>(pair), get<1>(pair)); } |
| 155 | + ); |
| 156 | + |
| 157 | + BOOST_TEST( arr1[3][2]== 6 ); |
| 158 | + BOOST_TEST( arr2[3][2]== 5 ); |
| 159 | + } |
| 160 | +#if defined(__cpp_lib_ranges_zip) and (__cpp_lib_ranges_zip >= 202110L) |
| 161 | + { |
| 162 | + multi::array<int, 2> arr1({5, 7}, 5); |
| 163 | + multi::array<int, 2> arr2({5, 7}, 6); |
| 164 | + |
| 165 | + std::ranges::for_each( |
| 166 | + std::views::zip(arr1.elements(), arr2.elements()).begin(), |
| 167 | + std::views::zip(arr1.elements(), arr2.elements()).end(), |
| 168 | + [](auto&& pair) { using std::get; thrust::swap(get<0>(pair), get<1>(pair)); } |
| 169 | + ); |
| 170 | + |
| 171 | + BOOST_TEST( arr1[3][2]== 6 ); |
| 172 | + BOOST_TEST( arr2[3][2]== 5 ); |
| 173 | + } |
| 174 | +#endif |
130 | 175 |
|
131 | 176 | return boost::report_errors(); |
132 | 177 | } |
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