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109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
// Copyright Neil Groves 2009. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_ALGORITHM_PERMUTATION_HPP_INCLUDED
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#define BOOST_RANGE_ALGORITHM_PERMUTATION_HPP_INCLUDED
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#include <boost/concept_check.hpp>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/concepts.hpp>
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#include <algorithm>
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namespace boost
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{
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namespace range
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{
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/// \brief template function next_permutation
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///
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/// range-based version of the next_permutation std algorithm
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///
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/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept
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/// \pre Compare is a model of the BinaryPredicateConcept
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template<class BidirectionalRange>
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inline bool next_permutation(BidirectionalRange& rng)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> ));
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return std::next_permutation(boost::begin(rng), boost::end(rng));
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}
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/// \overload
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template<class BidirectionalRange>
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inline bool next_permutation(const BidirectionalRange& rng)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
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return std::next_permutation(boost::begin(rng), boost::end(rng));
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}
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/// \overload
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template<class BidirectionalRange, class Compare>
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inline bool next_permutation(BidirectionalRange& rng, Compare comp_pred)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> ));
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return std::next_permutation(boost::begin(rng), boost::end(rng),
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comp_pred);
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}
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/// \overload
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template<class BidirectionalRange, class Compare>
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inline bool next_permutation(const BidirectionalRange& rng,
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Compare comp_pred)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
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return std::next_permutation(boost::begin(rng), boost::end(rng),
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comp_pred);
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}
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/// \brief template function prev_permutation
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///
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/// range-based version of the prev_permutation std algorithm
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///
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/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept
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/// \pre Compare is a model of the BinaryPredicateConcept
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template<class BidirectionalRange>
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inline bool prev_permutation(BidirectionalRange& rng)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> ));
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return std::prev_permutation(boost::begin(rng), boost::end(rng));
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}
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/// \overload
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template<class BidirectionalRange>
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inline bool prev_permutation(const BidirectionalRange& rng)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
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return std::prev_permutation(boost::begin(rng), boost::end(rng));
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}
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/// \overload
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template<class BidirectionalRange, class Compare>
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inline bool prev_permutation(BidirectionalRange& rng, Compare comp_pred)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> ));
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return std::prev_permutation(boost::begin(rng), boost::end(rng),
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comp_pred);
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}
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/// \overload
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template<class BidirectionalRange, class Compare>
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inline bool prev_permutation(const BidirectionalRange& rng,
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Compare comp_pred)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
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return std::prev_permutation(boost::begin(rng), boost::end(rng),
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comp_pred);
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}
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} // namespace range
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using range::next_permutation;
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using range::prev_permutation;
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} // namespace boost
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#endif // include guard
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