-#ifndef NDEBUG
- DEBUG_OUT << "Column_rod { rank = "
- << other_l_->rank_i () << ", dist = " << distance_f_ << "}\n";
-#endif
-}
+ Direction d = LEFT;
+ do {
+ Paper_column * pc = item_l_drul_[d]->column_l ();
+ distance_f_ += - d * item_l_drul_[d]->relative_coordinate (pc, X_AXIS);
+ item_l_drul_[d] = pc;
+ } while ((flip (&d))!=LEFT);