Sprout/sprout/algorithm/is_heap.hpp
2016-02-25 18:48:28 +09:00

42 lines
1.4 KiB
C++

/*=============================================================================
Copyright (c) 2011 RiSK (sscrisk)
https://github.com/sscrisk/CEL---ConstExpr-Library
Copyright (c) 2011-2016 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_IS_HEAP_HPP
#define SPROUT_ALGORITHM_IS_HEAP_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/algorithm/is_heap_until.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// 25.4.6.5 is_heap
//
// recursion depth:
// O(log N)
//
template<typename RandomAccessIterator, typename Compare>
inline SPROUT_CONSTEXPR bool
is_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp) {
return sprout::is_heap_until(first, last, comp) == last;
}
template<typename RandomAccessIterator>
inline SPROUT_CONSTEXPR bool
is_heap(RandomAccessIterator first, RandomAccessIterator last) {
return sprout::is_heap(
first, last,
NS_SSCRISK_CEL_OR_SPROUT::less<typename std::iterator_traits<RandomAccessIterator>::value_type>()
);
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_IS_HEAP_HPP