public Power_diagram_2(Regular_triangulation_2 triangulation) {
   this(
       CGAL_Voronoi_diagram_2JNI.new_Power_diagram_2__SWIG_2(
           Regular_triangulation_2.getCPtr(triangulation), triangulation),
       true);
 }
 public void dual(Regular_triangulation_2 ref) {
   CGAL_Voronoi_diagram_2JNI.Power_diagram_2_dual__SWIG_1(
       swigCPtr, this, Regular_triangulation_2.getCPtr(ref), ref);
 }
 public Power_diagram_2(Regular_triangulation_2 triangulation, boolean swap_dg) {
   this(
       CGAL_Voronoi_diagram_2JNI.new_Power_diagram_2__SWIG_1(
           Regular_triangulation_2.getCPtr(triangulation), triangulation, swap_dg),
       true);
 }