/** * Tests if this quadedge and another have the same line segment geometry, * regardless of orientation. * * @param qe a quadedge * @return true if the quadedges are based on the same line segment regardless of orientation */ public boolean equalsNonOriented(QuadEdge qe) { if (equalsOriented(qe)) return true; if (equalsOriented(qe.sym())) return true; return false; }