mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
|
#ifndef SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
|
||
|
|
#define SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
|
||
|
|
|
||
|
|
#include <iterator>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
namespace detail {
|
||
|
|
//
|
||
|
|
// overlap_count_2
|
||
|
|
//
|
||
|
|
template<typename Iterator1, typename Iterator2, typename Compare>
|
||
|
|
SPROUT_CONSTEXPR inline typename std::iterator_traits<Iterator1>::difference_type overlap_count_2(
|
||
|
|
Iterator1 first1,
|
||
|
|
Iterator1 last1,
|
||
|
|
Iterator2 first2,
|
||
|
|
Iterator2 last2,
|
||
|
|
Compare comp
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return first1 != last1 && first2 != last2
|
||
|
|
? comp(*first1, *first2)
|
||
|
|
? sprout::detail::overlap_count_2(first1 + 1, last1, first2, last2, comp)
|
||
|
|
: comp(*first2, *first1)
|
||
|
|
? sprout::detail::overlap_count_2(first1, last1, first2 + 1, last2, comp)
|
||
|
|
: 1 + sprout::detail::overlap_count_2(first1 + 1, last1, first2 + 1, last2, comp)
|
||
|
|
: 0
|
||
|
|
;
|
||
|
|
}
|
||
|
|
//
|
||
|
|
// overlap_count_2
|
||
|
|
//
|
||
|
|
template<typename Iterator1, typename Iterator2>
|
||
|
|
SPROUT_CONSTEXPR inline typename std::iterator_traits<Iterator1>::difference_type overlap_count_2(
|
||
|
|
Iterator1 first1,
|
||
|
|
Iterator1 last1,
|
||
|
|
Iterator2 first2,
|
||
|
|
Iterator2 last2
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return first1 != last1 && first2 != last2
|
||
|
|
? *first1 < *first2
|
||
|
|
? sprout::detail::overlap_count_2(first1 + 1, last1, first2, last2)
|
||
|
|
: *first2 < *first1
|
||
|
|
? sprout::detail::overlap_count_2(first1, last1, first2 + 1, last2)
|
||
|
|
: 1 + sprout::detail::overlap_count_2(first1 + 1, last1, first2 + 1, last2)
|
||
|
|
: 0
|
||
|
|
;
|
||
|
|
}
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_DETAIL_OVERLAP_COUNT_2_HPP
|