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fix alternate_iterator

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bolero-MURAKAMI 2012-11-25 14:38:49 +09:00
parent ca4fdcdbae
commit e588c4925a
1 changed files with 1 additions and 1 deletions
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2
sprout/iterator/alternate_iterator.hpp
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@ -41,7 +41,7 @@ namespace sprout {
bool in_left;
private:
SPROUT_CONSTEXPR alternate_iterator advance_impl_1(difference_type n) const {
return alternate_iterator(sprout::next(current1, n / 2), sprout::next(current2, n / 2), n % 2);
return alternate_iterator(sprout::next(current1, n / 2), sprout::next(current2, n / 2), !(n % 2));
}
SPROUT_CONSTEXPR alternate_iterator advance_impl(difference_type n) const {
return advance_impl_1(n + (!is_in_left() ? 1 : 0));