| /* Copyright (C) 2016 Edward Diener |
| * |
| * Use, modification and distribution is subject to the |
| * Boost Software License, Version 1.0. (See accompanying |
| * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
| */ |
| |
| #ifndef BOOST_POOL_TEST_RANDOM_SHUFFLE_HPP |
| #define BOOST_POOL_TEST_RANDOM_SHUFFLE_HPP |
| |
| #include <cstdlib> |
| #include <iterator> |
| #include <algorithm> |
| |
| template< class RandomIt > |
| void pool_test_random_shuffle( RandomIt first, RandomIt last ) |
| { |
| typename std::iterator_traits<RandomIt>::difference_type i, n; |
| n = last - first; |
| for (i = n-1; i > 0; --i) { |
| using std::swap; |
| swap(first[i], first[std::rand() % (i+1)]); |
| } |
| } |
| |
| #endif // BOOST_POOL_TEST_RANDOM_SHUFFLE_HPP |
