mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_HPP
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#define SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_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/swap_element.hpp>
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#include <sprout/algorithm/fixed/pop_heap.hpp>
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#include <sprout/algorithm/fixed/make_heap.hpp>
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#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT_DETAIL
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#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename Container, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap_impl_1(
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Container const& cont,
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Compare comp,
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typename sprout::fixed_container_traits<Container>::difference_type offset,
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typename sprout::fixed_container_traits<Container>::difference_type size,
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typename sprout::fixed_container_traits<Container>::difference_type middle_size,
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typename sprout::fixed_container_traits<Container>::difference_type n
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)
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{
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return n < size
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? comp(*(sprout::fixed_begin(cont) + offset + n), *(sprout::fixed_begin(cont) + offset))
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? sprout::fixed::detail::make_partial_heap_impl_1(
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sprout::fixed::detail::pop_heap_impl(
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sprout::fixed::swap_element(cont, sprout::fixed_begin(cont) + offset + n, sprout::fixed_begin(cont) + offset),
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comp,
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offset,
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middle_size
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),
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comp,
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offset,
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size,
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middle_size,
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n + 1
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)
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: sprout::fixed::detail::make_partial_heap_impl_1(cont, comp, offset, size, middle_size, n + 1)
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: sprout::get_fixed_copy(cont)
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;
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}
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template<typename Container, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap_impl(
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Container const& cont,
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Compare comp,
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typename sprout::fixed_container_traits<Container>::difference_type offset,
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typename sprout::fixed_container_traits<Container>::difference_type size,
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typename sprout::fixed_container_traits<Container>::difference_type middle_size
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)
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{
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return sprout::fixed::detail::make_partial_heap_impl_1(
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sprout::fixed::detail::make_heap_impl(cont, comp, offset, middle_size),
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comp,
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offset,
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size,
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middle_size,
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middle_size
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);
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}
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} // namespace detail
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//
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// make_partial_heap
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//
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template<typename Container, typename Compare>
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SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap(
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Container const& cont,
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typename sprout::fixed_container_traits<Container>::const_iterator middle,
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Compare comp
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)
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{
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return sprout::fixed::detail::make_partial_heap_impl(
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cont,
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comp,
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sprout::fixed_begin_offset(cont),
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sprout::size(cont),
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), middle)
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);
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}
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//
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// make_partial_heap
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//
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template<typename Container>
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SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Container>::fixed_container_type make_partial_heap(
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Container const& cont,
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typename sprout::fixed_container_traits<Container>::const_iterator middle
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)
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{
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return sprout::fixed::detail::make_partial_heap_impl(
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cont,
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::less<typename sprout::fixed_container_traits<Container>::value_type>(),
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sprout::fixed_begin_offset(cont),
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sprout::size(cont),
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(cont), middle)
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);
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}
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} // namespace fixed
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIXED_MAKE_PARTIAL_HEAP_HPP
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