mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2019 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_ALGORITHM_CXX14_MAKE_HEAP_HPP
|
|
#define SPROUT_ALGORITHM_CXX14_MAKE_HEAP_HPP
|
|
|
|
#include <iterator>
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/algorithm/cxx14/detail/heap_tool.hpp>
|
|
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
|
|
|
|
namespace sprout {
|
|
namespace detail {
|
|
template<typename Compare, typename RandomAccessIterator>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp) {
|
|
typedef typename std::iterator_traits<RandomAccessIterator>::difference_type difference_type;
|
|
difference_type len = last - first;
|
|
if (len > 1) {
|
|
last = first;
|
|
++last;
|
|
for (difference_type i = 1; i < len; ++i) {
|
|
sprout::detail::push_heap_back<Compare>(first, ++last, comp, i);
|
|
}
|
|
}
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// 25.4.6.3 make_heap
|
|
//
|
|
template<typename RandomAccessIterator, typename Compare>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp) {
|
|
typedef typename std::add_lvalue_reference<Compare>::type compare_ref;
|
|
sprout::detail::make_heap<compare_ref>(first, last, comp);
|
|
}
|
|
|
|
template<typename RandomAccessIterator>
|
|
inline SPROUT_CXX14_CONSTEXPR void
|
|
make_heap(RandomAccessIterator first, RandomAccessIterator last) {
|
|
sprout::make_heap(
|
|
first, last,
|
|
NS_SSCRISK_CEL_OR_SPROUT::less<typename std::iterator_traits<RandomAccessIterator>::value_type>()
|
|
);
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_CXX14_MAKE_HEAP_HPP
|