mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-04 14:14:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix recursion depth: includes

Browse source
This commit is contained in:
bolero-MURAKAMI 2012-12-15 23:48:52 +09:00
parent eea1c2bbc1
commit 0201107eec
14 changed files with 442 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

27
sprout/algorithm/lower_bound.hpp
View file

@ -1,25 +1,21 @@
#ifndef SPROUT_ALGORITHM_LOWER_BOUND_HPP
#define SPROUT_ALGORITHM_LOWER_BOUND_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.4.3.1 lower_bound
template<typename ForwardIterator, typename T>
inline SPROUT_CONSTEXPR ForwardIterator
lower_bound(ForwardIterator first, ForwardIterator last, T const& value) {
return first == last ? last
: sprout::next(first) == last ? *first < value ? last : first
: *sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2) < value
? sprout::lower_bound(sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2), last, value)
: sprout::lower_bound(first, sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2), value)
;
}
//
// recursion depth:
// [first, last) is RandomAccessIterator -> O(log N)
// otherwise -> O(N)
//
template<typename ForwardIterator, typename T, typename Compare>
inline SPROUT_CONSTEXPR ForwardIterator
lower_bound(ForwardIterator first, ForwardIterator last, T const& value, Compare comp) {
@ -30,6 +26,15 @@ namespace sprout {
: sprout::lower_bound(first, sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2), value, comp)
;
}
template<typename ForwardIterator, typename T>
inline SPROUT_CONSTEXPR ForwardIterator
lower_bound(ForwardIterator first, ForwardIterator last, T const& value) {
return sprout::lower_bound(
first, last, value,
NS_SSCRISK_CEL_OR_SPROUT::less<typename std::iterator_traits<ForwardIterator>::value_type>()
);
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_LOWER_BOUND_HPP