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fix recursion depth O(logN): some algorithms

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bolero-MURAKAMI 2013-01-03 17:01:50 +09:00
parent 28697ee7a8
commit 5019f6aa96
162 changed files with 3600 additions and 1659 deletions
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7
sprout/algorithm/upper_bound.hpp
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@ -4,7 +4,6 @@
#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 {
@ -21,9 +20,9 @@ namespace sprout {
upper_bound(ForwardIterator first, ForwardIterator last, T const& value, Compare comp) {
return first == last ? last
: sprout::next(first) == last ? !comp(value, *first) ? last : first
: !comp(value, *sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2))
? sprout::upper_bound(sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2), last, value, comp)
: sprout::upper_bound(first, sprout::next(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last) / 2), value, comp)
: !comp(value, *sprout::next(first, sprout::distance(first, last) / 2))
? sprout::upper_bound(sprout::next(first, sprout::distance(first, last) / 2), last, value, comp)
: sprout::upper_bound(first, sprout::next(first, sprout::distance(first, last) / 2), value, comp)
;
}