Sprout/sprout/algorithm/partition.hpp
bolero-MURAKAMI c58c9cc0fc fix: math functions (support for inferior C++14 standard)
add C++14 constexpr modifying algorithms
2013-10-25 12:29:16 +09:00

37 lines
1.3 KiB
C++

/*=============================================================================
Copyright (c) 2011-2013 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_ALGORITHM_PARTITION_HPP
#define SPROUT_ALGORITHM_PARTITION_HPP
#include <sprout/config.hpp>
#include <sprout/algorithm/iter_swap.hpp>
#include <sprout/algorithm/find_if.hpp>
#include <sprout/algorithm/find_if_not.hpp>
namespace sprout {
//
// 25.3.13 Partitions
//
template<typename ForwardIterator, typename Predicate>
inline SPROUT_CXX14_CONSTEXPR ForwardIterator
partition(ForwardIterator first, ForwardIterator last, Predicate pred) {
first = sprout::find_if_not(first, last, pred);
ForwardIterator it = sprout::find_if(first, last, pred);
while (it != last) {
sprout::iter_swap(first, it);
first = sprout::find_if_not(first, last, pred);
it = sprout::find_if(it, last, pred);
}
return first;
}
} // namespace sprout
#include <sprout/algorithm/fixed/partition.hpp>
#include <sprout/algorithm/fit/partition.hpp>
#endif // #ifndef SPROUT_ALGORITHM_PARTITION_HPP