Interval_t<int> iv (0, 0);
if (spanned_drul_[LEFT] && spanned_drul_[LEFT]->get_column ())
- iv[LEFT] = Paper_column::get_rank (spanned_drul_[LEFT]->get_column ());
+ iv[LEFT] = spanned_drul_[LEFT]->get_column ()->get_rank ();
if (spanned_drul_[RIGHT] && spanned_drul_[RIGHT]->get_column ())
- iv[RIGHT] = Paper_column::get_rank (spanned_drul_[RIGHT]->get_column ());
+ iv[RIGHT] = spanned_drul_[RIGHT]->get_column ()->get_rank ();
return iv;
}