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algorithm, operation 全面修正

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bolero-MURAKAMI 2011-09-03 22:26:26 +09:00
parent 21f5d5191a
commit 5e67195030
244 changed files with 4764 additions and 831 deletions
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72
sprout/algorithm/fit/nth_element.hpp Normal file
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#ifndef SPROUT_ALGORITHM_FIT_NTH_ELEMENT_HPP
#define SPROUT_ALGORITHM_FIT_NTH_ELEMENT_HPP
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/algorithm/fixed/nth_element.hpp>
#include <sprout/algorithm/fit/result_of.hpp>
#include <sprout/sub_array.hpp>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace fit {
namespace detail {
template<typename Container, typename Compare>
SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Container>::type nth_element_impl(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator nth,
Compare comp,
typename sprout::fixed_container_traits<Container>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_fixed(sprout::fixed::nth_element(cont, nth, comp)),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), nth) + 1
);
}
} // namespace detail
//
// nth_element
//
template<typename Container, typename Compare>
SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Container>::type nth_element(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator nth,
Compare comp
)
{
return sprout::fit::detail::nth_element_impl(cont, nth, comp, sprout::fixed_begin_offset(cont));
}
namespace detail {
template<typename Container>
SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Container>::type nth_element_impl(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator nth,
typename sprout::fixed_container_traits<Container>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_fixed(sprout::fixed::nth_element(cont, nth)),
offset,
offset + NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), nth) + 1
);
}
} // namespace detail
//
// nth_element
//
template<typename Container>
SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Container>::type nth_element(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator nth
)
{
return sprout::fit::detail::nth_element_impl(cont, nth, sprout::fixed_begin_offset(cont));
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_NTH_ELEMENT_HPP