mirror of
https://github.com/bolero-MURAKAMI/Sprout
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92 lines
3 KiB
C++
92 lines
3 KiB
C++
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#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/fixed_container/traits.hpp>
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#include <sprout/fixed_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/overlap_count_2.hpp>
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#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT_DETAIL
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namespace sprout {
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namespace fit {
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namespace detail {
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template<typename Iterator1, typename Iterator2, typename Result, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type set_intersection_impl(
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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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Result const& result,
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Compare comp,
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typename sprout::fixed_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_fixed(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_DETAIL::min(
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sprout::detail::overlap_count_2(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 Iterator1, typename Iterator2, typename Result, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type set_intersection(
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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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Result const& result,
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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::fixed_begin_offset(result));
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}
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namespace detail {
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template<typename Iterator1, typename Iterator2, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type set_intersection_impl(
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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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Result const& result,
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typename sprout::fixed_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_fixed(sprout::fixed::set_intersection(first1, last1, first2, last2, result)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(
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sprout::detail::overlap_count_2(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 Iterator1, typename Iterator2, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type set_intersection(
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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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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::fixed_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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