| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <algorithm> |
| |
| // template<RandomAccessIterator Iter> |
| // requires ShuffleIterator<Iter> |
| // void |
| // random_shuffle(Iter first, Iter last); |
| |
| #include <algorithm> |
| #include <cassert> |
| |
| int main() |
| { |
| int ia[] = {1, 2, 3, 4}; |
| int ia1[] = {1, 4, 3, 2}; |
| int ia2[] = {4, 1, 2, 3}; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| std::random_shuffle(ia, ia+sa); |
| assert(std::equal(ia, ia+sa, ia1)); |
| std::random_shuffle(ia, ia+sa); |
| assert(std::equal(ia, ia+sa, ia2)); |
| } |
