// 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_PERMUTATION_HPP_INCLUDED | |
#define BOOST_RANGE_ALGORITHM_PERMUTATION_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 next_permutation | |
/// | |
/// range-based version of the next_permutation std algorithm | |
/// | |
/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept | |
/// \pre Compare is a model of the BinaryPredicateConcept | |
template<class BidirectionalRange> | |
inline bool next_permutation(BidirectionalRange& rng) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> )); | |
return std::next_permutation(boost::begin(rng), boost::end(rng)); | |
} | |
/// \overload | |
template<class BidirectionalRange> | |
inline bool next_permutation(const BidirectionalRange& rng) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> )); | |
return std::next_permutation(boost::begin(rng), boost::end(rng)); | |
} | |
/// \overload | |
template<class BidirectionalRange, class Compare> | |
inline bool next_permutation(BidirectionalRange& rng, Compare comp_pred) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> )); | |
return std::next_permutation(boost::begin(rng), boost::end(rng), | |
comp_pred); | |
} | |
/// \overload | |
template<class BidirectionalRange, class Compare> | |
inline bool next_permutation(const BidirectionalRange& rng, | |
Compare comp_pred) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> )); | |
return std::next_permutation(boost::begin(rng), boost::end(rng), | |
comp_pred); | |
} | |
/// \brief template function prev_permutation | |
/// | |
/// range-based version of the prev_permutation std algorithm | |
/// | |
/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept | |
/// \pre Compare is a model of the BinaryPredicateConcept | |
template<class BidirectionalRange> | |
inline bool prev_permutation(BidirectionalRange& rng) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> )); | |
return std::prev_permutation(boost::begin(rng), boost::end(rng)); | |
} | |
/// \overload | |
template<class BidirectionalRange> | |
inline bool prev_permutation(const BidirectionalRange& rng) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> )); | |
return std::prev_permutation(boost::begin(rng), boost::end(rng)); | |
} | |
/// \overload | |
template<class BidirectionalRange, class Compare> | |
inline bool prev_permutation(BidirectionalRange& rng, Compare comp_pred) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> )); | |
return std::prev_permutation(boost::begin(rng), boost::end(rng), | |
comp_pred); | |
} | |
/// \overload | |
template<class BidirectionalRange, class Compare> | |
inline bool prev_permutation(const BidirectionalRange& rng, | |
Compare comp_pred) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> )); | |
return std::prev_permutation(boost::begin(rng), boost::end(rng), | |
comp_pred); | |
} | |
} // namespace range | |
using range::next_permutation; | |
using range::prev_permutation; | |
} // namespace boost | |
#endif // include guard |