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115 lines
3.8 KiB
115 lines
3.8 KiB
// 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_MAX_ELEMENT_HPP_INCLUDED |
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#define BOOST_RANGE_ALGORITHM_MAX_ELEMENT_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 <boost/range/detail/range_return.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 max_element |
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/// |
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/// range-based version of the max_element std algorithm |
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/// |
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/// \pre ForwardRange is a model of the ForwardRangeConcept |
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/// \pre BinaryPredicate is a model of the BinaryPredicateConcept |
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template<class ForwardRange> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type |
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max_element(ForwardRange& rng) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return std::max_element(boost::begin(rng), boost::end(rng)); |
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} |
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/// \overload |
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template<class ForwardRange> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type |
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max_element(const ForwardRange& rng) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return std::max_element(boost::begin(rng), boost::end(rng)); |
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} |
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/// \overload |
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template<class ForwardRange, class BinaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type |
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max_element(ForwardRange& rng, BinaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return std::max_element(boost::begin(rng), boost::end(rng), pred); |
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} |
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/// \overload |
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template<class ForwardRange, class BinaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type |
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max_element(const ForwardRange& rng, BinaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return std::max_element(boost::begin(rng), boost::end(rng), pred); |
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} |
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// range_return overloads |
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/// \overload |
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template<range_return_value re, class ForwardRange> |
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inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type |
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max_element(ForwardRange& rng) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return range_return<ForwardRange,re>::pack( |
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std::max_element(boost::begin(rng), boost::end(rng)), |
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rng); |
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} |
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/// \overload |
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template<range_return_value re, class ForwardRange> |
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inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type |
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max_element(const ForwardRange& rng) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return range_return<const ForwardRange,re>::pack( |
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std::max_element(boost::begin(rng), boost::end(rng)), |
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rng); |
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} |
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/// \overload |
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template<range_return_value re, class ForwardRange, class BinaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type |
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max_element(ForwardRange& rng, BinaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return range_return<ForwardRange,re>::pack( |
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std::max_element(boost::begin(rng), boost::end(rng), pred), |
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rng); |
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} |
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/// \overload |
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template<range_return_value re, class ForwardRange, class BinaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type |
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max_element(const ForwardRange& rng, BinaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return range_return<const ForwardRange,re>::pack( |
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std::max_element(boost::begin(rng), boost::end(rng), pred), |
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rng); |
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} |
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} // namespace range |
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using range::max_element; |
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} // namespace boost |
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#endif // include guard
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