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https://github.com/bolero-MURAKAMI/Sprout.git
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114 lines
4 KiB
C++
114 lines
4 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_SET_INTERSECTION_HPP
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#define SPROUT_ALGORITHM_FIXED_SET_INTERSECTION_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/detail/container_complate.hpp>
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#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::container_traits<Result>::static_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type set_intersection_impl(
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InputIterator1 first1,
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InputIterator1 last1,
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InputIterator2 first2,
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InputIterator2 last2,
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Result const& result,
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Compare comp,
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typename sprout::container_traits<Result>::size_type size,
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Args const&... args
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)
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{
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return sprout::remake<Result>(result, sprout::size(result), args...);
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}
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template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::container_traits<Result>::static_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type set_intersection_impl(
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InputIterator1 first1,
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InputIterator1 last1,
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InputIterator2 first2,
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InputIterator2 last2,
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Result const& result,
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Compare comp,
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typename sprout::container_traits<Result>::size_type size,
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Args const&... args
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)
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{
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return sizeof...(Args) < size
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? first1 != last1
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? first2 != last2
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? comp(*first1, *first2)
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? sprout::fixed::detail::set_intersection_impl(sprout::next(first1), last1, first2, last2, result, comp, size, args...)
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: comp(*first2, *first1)
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? sprout::fixed::detail::set_intersection_impl(first1, last1, sprout::next(first2), last2, result, comp, size, args...)
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: sprout::fixed::detail::set_intersection_impl(sprout::next(first1), last1, sprout::next(first2), last2, result, comp, size, args..., *first1)
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: sprout::fixed::detail::set_intersection_impl(sprout::next(first1), last1, first2, last2, result, comp, size, args...)
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: first2 != last2
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? sprout::fixed::detail::set_intersection_impl(first1, last1, sprout::next(first2), last2, result, comp, size, args...)
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: sprout::detail::container_complate(result, args...)
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: sprout::detail::container_complate(result, args...)
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;
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}
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} // namespace detail
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//
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// set_intersection
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//
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template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type set_intersection(
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InputIterator1 first1,
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InputIterator1 last1,
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InputIterator2 first2,
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InputIterator2 last2,
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Result const& result,
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Compare comp
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)
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{
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return sprout::fixed::detail::set_intersection_impl(
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first1,
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last1,
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first2,
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last2,
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result,
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comp,
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sprout::size(result)
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);
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}
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//
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// set_intersection
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//
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template<typename InputIterator1, typename InputIterator2, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type set_intersection(
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InputIterator1 first1,
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InputIterator1 last1,
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InputIterator2 first2,
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InputIterator2 last2,
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Result const& result
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)
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{
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return sprout::fixed::detail::set_intersection_impl(
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first1,
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last1,
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first2,
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last2,
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result,
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NS_SSCRISK_CEL_OR_SPROUT::less<typename sprout::container_traits<Result>::value_type>(),
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sprout::size(result)
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);
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}
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} // namespace fixed
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using sprout::fixed::set_intersection;
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIXED_SET_INTERSECTION_HPP
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