fix recursion depth: is_heap, is_heap_until

This commit is contained in:
bolero-MURAKAMI 2012-12-16 18:20:24 +09:00
parent 0201107eec
commit 86f68671a1
5 changed files with 232 additions and 21 deletions

View file

@ -1,24 +1,33 @@
#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 {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.4.6.5 is_heap
template<typename RandomAccessIterator>
inline SPROUT_CONSTEXPR bool
is_heap(RandomAccessIterator first, RandomAccessIterator last) {
return sprout::is_heap_until(first, last) == last;
}
//
// 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