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porting sscrisk/CEL

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bolero-MURAKAMI 2012-04-01 22:15:09 +09:00
parent ad60c8c530
commit db20f64991
181 changed files with 2531 additions and 607 deletions
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41
sprout/algorithm/minmax_element.hpp Normal file
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#ifndef SPROUT_ALGORITHM_MINMAX_ELEMENT_HPP
#define SPROUT_ALGORITHM_MINMAX_ELEMENT_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/utility/pair.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
namespace detail {
template<typename ForwardIterator, typename Compare>
SPROUT_CONSTEXPR sprout::pair<ForwardIterator, ForwardIterator> minmax_element_impl(
ForwardIterator first,
ForwardIterator last,
Compare comp,
ForwardIterator min,
ForwardIterator max
)
{
return first == last ? sprout::pair<ForwardIterator, ForwardIterator>(min, max)
: comp(*first, *min) ? sprout::detail::minmax_element_impl(sprout::next(first), last, comp, first, max)
: sprout::detail::minmax_element_impl(sprout::next(first), last, comp, min, comp(*first, *max) ? max : first)
;
}
} // namespace detail
// 25.4.7 Minimum and maximum
template<typename ForwardIterator, typename Compare>
SPROUT_CONSTEXPR pair<ForwardIterator, ForwardIterator> minmax_element(ForwardIterator first, ForwardIterator last, Compare comp) {
return sprout::detail::minmax_element_impl(first, last, comp, first, first);
}
template<typename ForwardIterator>
SPROUT_CONSTEXPR pair<ForwardIterator, ForwardIterator> minmax_element(ForwardIterator first, ForwardIterator last) {
return sprout::minmax_element(first, last, NS_SSCRISK_CEL_OR_SPROUT::less<typename std::iterator_traits<ForwardIterator>::value_type>());
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_MINMAX_ELEMENT_HPP