boost/range/algorithm/partial_sort.hpp
// Copyright Neil Groves 2009. Use, modification and
// distribution is subject to 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)
//
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_ALGORITHM_PARTIAL_SORT_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_PARTIAL_SORT_HPP_INCLUDED
#include <boost/concept_check.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <algorithm>
namespace boost
{
namespace range
{
/// \brief template function partial_sort
///
/// range-based version of the partial_sort std algorithm
///
/// \pre RandomAccessRange is a model of the RandomAccessRangeConcept
/// \pre BinaryPredicate is a model of the BinaryPredicateConcept
template<class RandomAccessRange>
inline RandomAccessRange& partial_sort(RandomAccessRange& rng,
BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type middle)
{
BOOST_RANGE_CONCEPT_ASSERT(( RandomAccessRangeConcept<RandomAccessRange> ));
std::partial_sort(boost::begin(rng), middle, boost::end(rng));
return rng;
}
/// \overload
template<class RandomAccessRange>
inline const RandomAccessRange& partial_sort(const RandomAccessRange& rng,
BOOST_DEDUCED_TYPENAME range_iterator<const RandomAccessRange>::type middle)
{
BOOST_RANGE_CONCEPT_ASSERT(( RandomAccessRangeConcept<const RandomAccessRange> ));
std::partial_sort(boost::begin(rng), middle, boost::end(rng));
return rng;
}
/// \overload
template<class RandomAccessRange, class BinaryPredicate>
inline RandomAccessRange& partial_sort(RandomAccessRange& rng,
BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type middle,
BinaryPredicate sort_pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( RandomAccessRangeConcept<RandomAccessRange> ));
std::partial_sort(boost::begin(rng), middle, boost::end(rng),
sort_pred);
return rng;
}
/// \overload
template<class RandomAccessRange, class BinaryPredicate>
inline const RandomAccessRange& partial_sort(const RandomAccessRange& rng,
BOOST_DEDUCED_TYPENAME range_iterator<const RandomAccessRange>::type middle,
BinaryPredicate sort_pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( RandomAccessRangeConcept<const RandomAccessRange> ));
std::partial_sort(boost::begin(rng), middle, boost::end(rng),
sort_pred);
return rng;
}
} // namespace range
using range::partial_sort;
} // namespace boost
#endif // include guard