24 lines
638 B
C++
24 lines
638 B
C++
#ifndef BOOST_MOVE_TEST_RANDOM_SHUFFLE_HPP
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#define BOOST_MOVE_TEST_RANDOM_SHUFFLE_HPP
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#include <boost/move/adl_move_swap.hpp>
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#include <boost/move/detail/iterator_traits.hpp>
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#include <stdlib.h>
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template< class RandomIt >
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void random_shuffle( RandomIt first, RandomIt last )
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{
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typedef typename boost::movelib::iterator_traits<RandomIt>::difference_type difference_type;
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difference_type n = last - first;
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for (difference_type i = n-1; i > 0; --i) {
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difference_type j = std::rand() % (i+1);
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if(j != i) {
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boost::adl_move_swap(first[i], first[j]);
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}
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}
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}
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#endif// BOOST_MOVE_TEST_RANDOM_SHUFFLE_HPP
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