mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
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#ifndef SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
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#define SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
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#include <iterator>
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#include <sprout/config.hpp>
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namespace sprout {
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namespace detail {
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//
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// overlap_count_2
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//
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template<typename Iterator1, typename Iterator2, typename Compare>
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SPROUT_CONSTEXPR inline typename std::iterator_traits<Iterator1>::difference_type overlap_count_2(
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Iterator1 first1,
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Iterator1 last1,
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Iterator2 first2,
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Iterator2 last2,
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Compare comp
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)
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{
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return first1 != last1 && first2 != last2
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? comp(*first1, *first2)
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? sprout::detail::overlap_count_2(first1 + 1, last1, first2, last2, comp)
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: comp(*first2, *first1)
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? sprout::detail::overlap_count_2(first1, last1, first2 + 1, last2, comp)
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: 1 + sprout::detail::overlap_count_2(first1 + 1, last1, first2 + 1, last2, comp)
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: 0
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;
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}
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//
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// overlap_count_2
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//
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template<typename Iterator1, typename Iterator2>
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SPROUT_CONSTEXPR inline typename std::iterator_traits<Iterator1>::difference_type overlap_count_2(
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Iterator1 first1,
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Iterator1 last1,
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Iterator2 first2,
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Iterator2 last2
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)
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{
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return first1 != last1 && first2 != last2
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? *first1 < *first2
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? sprout::detail::overlap_count_2(first1 + 1, last1, first2, last2)
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: *first2 < *first1
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? sprout::detail::overlap_count_2(first1, last1, first2 + 1, last2)
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: 1 + sprout::detail::overlap_count_2(first1 + 1, last1, first2 + 1, last2)
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: 0
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;
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}
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} // namespace detail
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} // namespace sprout
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#endif // #ifndef SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
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