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

102 lines
3.7 KiB
C++

#ifndef SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_HPP
#define SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_HPP
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/algorithm/fixed/swap_element.hpp>
#include <sprout/algorithm/fixed/pop_heap.hpp>
#include <sprout/algorithm/fixed/make_heap.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT_DETAIL
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace fixed {
namespace detail {
template<typename Container, typename Compare>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap_impl_1(
Container const& cont,
Compare comp,
typename sprout::fixed_container_traits<Container>::difference_type offset,
typename sprout::fixed_container_traits<Container>::difference_type size,
typename sprout::fixed_container_traits<Container>::difference_type middle_size,
typename sprout::fixed_container_traits<Container>::difference_type n
)
{
return n < size
? comp(*(sprout::fixed_begin(cont) + offset + n), *(sprout::fixed_begin(cont) + offset))
? sprout::fixed::detail::make_partial_heap_impl_1(
sprout::fixed::detail::pop_heap_impl(
sprout::fixed::swap_element(cont, sprout::fixed_begin(cont) + offset + n, sprout::fixed_begin(cont) + offset),
comp,
offset,
middle_size
),
comp,
offset,
size,
middle_size,
n + 1
)
: sprout::fixed::detail::make_partial_heap_impl_1(cont, comp, offset, size, middle_size, n + 1)
: sprout::get_fixed_copy(cont)
;
}
template<typename Container, typename Compare>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap_impl(
Container const& cont,
Compare comp,
typename sprout::fixed_container_traits<Container>::difference_type offset,
typename sprout::fixed_container_traits<Container>::difference_type size,
typename sprout::fixed_container_traits<Container>::difference_type middle_size
)
{
return sprout::fixed::detail::make_partial_heap_impl_1(
sprout::fixed::detail::make_heap_impl(cont, comp, offset, middle_size),
comp,
offset,
size,
middle_size,
middle_size
);
}
} // namespace detail
//
// make_partial_heap
//
template<typename Container, typename Compare>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator middle,
Compare comp
)
{
return sprout::fixed::detail::make_partial_heap_impl(
cont,
comp,
sprout::fixed_begin_offset(cont),
sprout::size(cont),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), middle)
);
}
//
// make_partial_heap
//
template<typename Container>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator middle
)
{
return sprout::fixed::detail::make_partial_heap_impl(
cont,
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::less<typename sprout::fixed_container_traits<Container>::value_type>(),
sprout::fixed_begin_offset(cont),
sprout::size(cont),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), middle)
);
}
} // namespace fixed
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_HPP