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bolero-MURAKAMI 2011-09-01 02:48:32 +00:00
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sprout/algorithm/infit/merge.hpp Normal file
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#ifndef SPROUT_ALGORITHM_INFIT_MERGE_HPP
#define SPROUT_ALGORITHM_INFIT_MERGE_HPP
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/algorithm/fixed/merge.hpp>
#include <sprout/sub_array.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> merge_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::merge(first1, last1, first2, last2, result, comp),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first1, last1) + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first2, last2),
sprout::size(result)
)
);
}
} // namespace detail
//
// merge
//
template<typename Iterator1, typename Iterator2, typename Result, typename Compare>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> merge(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result,
Compare comp
)
{
return sprout::infit::detail::merge_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> merge_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::merge(first1, last1, first2, last2, result),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first1, last1) + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first2, last2),
sprout::size(result)
)
);
}
} // namespace detail
//
// merge
//
template<typename Iterator1, typename Iterator2, typename Result>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> merge(
Iterator1 first1,
Iterator1 last1,
Iterator2 first2,
Iterator2 last2,
Result const& result
)
{
return sprout::infit::detail::merge_impl(first1, last1, first2, last2, result, sprout::fixed_begin_offset(result));
}
} // namespace infit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_INFIT_MERGE_HPP