mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
#ifndef SPROUT_ALGORITHM_NEXT_DIFFERENCE_HPP
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#define SPROUT_ALGORITHM_NEXT_DIFFERENCE_HPP
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#include <sprout/config.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/functional/less.hpp>
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#include <sprout/utility/pair/pair.hpp>
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#include <sprout/algorithm/find_difference.hpp>
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namespace sprout {
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//
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// next_difference
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//
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// recursion depth:
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// O(log(N1+N2))
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//
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template<typename InputIterator1, typename InputIterator2, typename Compare>
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inline SPROUT_CONSTEXPR sprout::pair<InputIterator1, InputIterator2>
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next_difference(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2,
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Compare comp
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)
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{
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typedef sprout::pair<InputIterator1, InputIterator2> type;
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return first1 == last1 ? type(last1, last2)
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: sprout::find_difference(sprout::next(first1), last1, first2, last2, comp)
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;
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}
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template<typename InputIterator1, typename InputIterator2>
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inline SPROUT_CONSTEXPR sprout::pair<InputIterator1, InputIterator2>
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next_difference(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2
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)
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{
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return sprout::next_difference(first1, last1, first2, last2, sprout::less<>());
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_NEXT_DIFFERENCE_HPP
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