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https://github.com/bolero-MURAKAMI/Sprout.git
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85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_SET_INTERSECTION_HPP
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#define SPROUT_ALGORITHM_FIT_SET_INTERSECTION_HPP
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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/algorithm/fixed/set_intersection.hpp>
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#include <sprout/algorithm/fit/result_of.hpp>
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#include <sprout/sub_array.hpp>
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#include <sprout/detail/algorithm/set_overlap_count.hpp>
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#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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namespace fit {
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namespace detail {
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template<typename InputIterator1, typename InputIterator2, typename Result, typename Compare>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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set_intersection_impl(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2,
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Result const& result, Compare comp,
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typename sprout::container_traits<Result>::difference_type offset
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)
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{
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::set_intersection(first1, last1, first2, last2, result, comp)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min(
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sprout::detail::set_overlap_count(first1, last1, first2, last2, comp),
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sprout::size(result)
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)
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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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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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set_intersection(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2,
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Result const& result, Compare comp
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)
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{
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return sprout::fit::detail::set_intersection_impl(first1, last1, first2, last2, result, comp, sprout::internal_begin_offset(result));
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}
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namespace detail {
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template<typename InputIterator1, typename InputIterator2, typename Result>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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set_intersection_impl(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2,
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Result const& result,
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typename sprout::container_traits<Result>::difference_type offset
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)
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{
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::set_intersection(first1, last1, first2, last2, result)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min(
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sprout::detail::set_overlap_count(first1, last1, first2, last2),
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sprout::size(result)
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)
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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>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
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set_intersection(
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InputIterator1 first1, InputIterator1 last1,
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InputIterator2 first2, InputIterator2 last2,
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Result const& result
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)
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{
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return sprout::fit::detail::set_intersection_impl(first1, last1, first2, last2, result, sprout::internal_begin_offset(result));
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}
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} // namespace fit
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIT_SET_INTERSECTION_HPP
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