128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
// 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_UPPER_BOUND_HPP_INCLUDED
|
|
#define BOOST_RANGE_ALGORITHM_UPPER_BOUND_HPP_INCLUDED
|
|
|
|
#include <boost/concept_check.hpp>
|
|
#include <boost/range/begin.hpp>
|
|
#include <boost/range/end.hpp>
|
|
#include <boost/range/concepts.hpp>
|
|
#include <boost/range/detail/range_return.hpp>
|
|
#include <algorithm>
|
|
|
|
namespace boost
|
|
{
|
|
namespace range
|
|
{
|
|
|
|
/// \brief template function upper_bound
|
|
///
|
|
/// range-based version of the upper_bound std algorithm
|
|
///
|
|
/// \pre ForwardRange is a model of the ForwardRangeConcept
|
|
template< class ForwardRange, class Value >
|
|
inline
|
|
BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<ForwardRange>,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type
|
|
>::type
|
|
upper_bound( ForwardRange& rng, Value val )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
|
|
return std::upper_bound(boost::begin(rng), boost::end(rng), val);
|
|
}
|
|
|
|
/// \overload
|
|
template< class ForwardRange, class Value >
|
|
BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type
|
|
upper_bound( const ForwardRange& rng, Value val )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
|
|
return std::upper_bound(boost::begin(rng), boost::end(rng), val);
|
|
}
|
|
|
|
/// \overload
|
|
template< class ForwardRange, class Value, class SortPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<ForwardRange>,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type
|
|
>::type
|
|
upper_bound( ForwardRange& rng, Value val, SortPredicate pred )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
|
|
return std::upper_bound(boost::begin(rng), boost::end(rng), val, pred);
|
|
}
|
|
|
|
/// \overload
|
|
template< class ForwardRange, class Value, class SortPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type
|
|
upper_bound( const ForwardRange& rng, Value val, SortPredicate pred )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
|
|
return std::upper_bound(boost::begin(rng), boost::end(rng), val, pred);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class ForwardRange, class Value >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<ForwardRange>,
|
|
BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
|
|
>::type
|
|
upper_bound( ForwardRange& rng, Value val )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
|
|
return range_return<ForwardRange,re>::
|
|
pack(std::upper_bound(boost::begin(rng), boost::end(rng), val),
|
|
rng);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class ForwardRange, class Value >
|
|
inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
|
|
upper_bound( const ForwardRange& rng, Value val )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
|
|
return range_return<const ForwardRange,re>::
|
|
pack(std::upper_bound(boost::begin(rng), boost::end(rng), val),
|
|
rng);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class ForwardRange, class Value,
|
|
class SortPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<ForwardRange>,
|
|
BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
|
|
>::type
|
|
upper_bound( ForwardRange& rng, Value val, SortPredicate pred )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
|
|
return range_return<ForwardRange,re>::
|
|
pack(std::upper_bound(boost::begin(rng), boost::end(rng), val, pred),
|
|
rng);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class ForwardRange, class Value,
|
|
class SortPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
|
|
upper_bound( const ForwardRange& rng, Value val, SortPredicate pred )
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
|
|
return range_return<const ForwardRange,re>::
|
|
pack(std::upper_bound(boost::begin(rng), boost::end(rng), val, pred),
|
|
rng);
|
|
}
|
|
|
|
} // namespace range
|
|
using range::upper_bound;
|
|
} // namespace boost
|
|
|
|
#endif // include guard
|