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Much faster implementation of SelectionList::merge_overlapping

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This commit is contained in:
Maxime Coste 2014-01-13 22:23:40 +00:00
parent 86eaa64982
commit ab508ea3da
1 changed files with 12 additions and 6 deletions
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16
src/selection.hh
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@ -120,19 +120,25 @@ struct SelectionList : std::vector<Selection>
void merge_overlapping(OverlapsFunc overlaps)
{
kak_assert(std::is_sorted(begin(), end(), compare_selections));
for (size_t i = 0; i+1 < size() and size() > 1;)
size_t i = 0;
for (size_t j = 1; j < size(); ++j)
{
if (overlaps((*this)[i], (*this)[i+1]))
if (overlaps((*this)[i], (*this)[j]))
{
(*this)[i].merge_with((*this)[i+1]);
erase(begin() + i + 1);
if (i + 1 <= m_main)
(*this)[i].merge_with((*this)[j]);
if (i < m_main)
--m_main;
}
else
{
++i;
if (i != j)
(*this)[i] = std::move((*this)[j]);
}
}
erase(begin() + i + 1, end());
kak_assert(std::is_sorted(begin(), end(), compare_selections));
}
void sort_and_merge_overlapping()
{