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Sprout/sprout/algorithm/infit/set_difference.hpp
bolero-MURAKAMI b3bb8121e8 最初
2011-09-01 02:48:32 +00:00

95 lines
3.3 KiB
C++

#ifndef SPROUT_ALGORITHM_INFIT_SET_DIFFERENCE_HPP
#define SPROUT_ALGORITHM_INFIT_SET_DIFFERENCE_HPP
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/algorithm/fixed/set_difference.hpp>
#include <sprout/sub_array.hpp>
#include <sprout/detail/overlap_count_2.hpp>
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT_DETAIL
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace infit {
namespace detail {
template<typename Iterator1, typename Iterator2, typename Result, typename Compare>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> set_difference_impl(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result,
Compare comp,
typename sprout::fixed_container_traits<Result>::difference_type offset
)
{
return sprout::sub_copy(
sprout::fixed::set_difference(first1, last1, first2, last2, result, comp),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first1, last1)
- sprout::detail::overlap_count_2(first1, last1, first2, last2, comp)
,
sprout::size(result)
)
);
}
} // namespace detail
//
// set_difference
//
template<typename Iterator1, typename Iterator2, typename Result, typename Compare>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> set_difference(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result,
Compare comp
)
{
return sprout::infit::detail::set_difference_impl(first1, last1, first2, last2, result, comp, sprout::fixed_begin_offset(result));
}
namespace detail {
template<typename Iterator1, typename Iterator2, typename Result>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> set_difference_impl(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result,
typename sprout::fixed_container_traits<Result>::difference_type offset
)
{
return sprout::sub_copy(
sprout::fixed::set_difference(first1, last1, first2, last2, result),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first1, last1)
- sprout::detail::overlap_count_2(first1, last1, first2, last2)
,
sprout::size(result)
)
);
}
} // namespace detail
//
// set_difference
//
template<typename Iterator1, typename Iterator2, typename Result>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> set_difference(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result
)
{
return sprout::infit::detail::set_difference_impl(first1, last1, first2, last2, result, sprout::fixed_begin_offset(result));
}
} // namespace infit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_INFIT_SET_DIFFERENCE_HPP