void intersect_indexes (index_vector &rhs_, index_vector &overlap_)
{
index_vector::iterator iter_ = _index_vector.begin ();
index_vector::iterator end_ = _index_vector.end ();
index_vector::iterator rhs_iter_ = rhs_.begin ();
index_vector::iterator rhs_end_ = rhs_.end ();
while (iter_ != end_ && rhs_iter_ != rhs_end_)
{
const std::size_t index_ = *iter_;
const std::size_t rhs_index_ = *rhs_iter_;
if (index_ < rhs_index_)
{
++iter_;
}
else if (index_ > rhs_index_)
{
++rhs_iter_;
}
else
{
overlap_.push_back (index_);
iter_ = _index_vector.erase (iter_);
end_ = _index_vector.end ();
rhs_iter_ = rhs_.erase (rhs_iter_);
rhs_end_ = rhs_.end ();
}
}
}
