#ifndef QuadEdge_H
#define QuadEdge_H

/* [!!! JUNK !!!] */

#include <Octf.h>


TYPE
double Pair = Octf_Pair;
double Arc = RECORD pair : Pair; d: Octf.DBit; }  /* Definition the scheme of
                                                representation the Edges in
                                                function the FacetEdge
                                                structure */

  /* ========================== Function's QuadEdge ============== */

Arc PROCEDURE Flip(s : Arc);

Arc PROCEDURE Sym(s : Arc);

Arc PROCEDURE Sym_(s : Arc);

Arc PROCEDURE Onext(s : Arc);

Arc PROCEDURE Oprev(s : Arc);

Arc PROCEDURE Dual(s : Arc);

Arc PROCEDURE Rot(s : Arc);

Arc PROCEDURE Lnext(s : Arc);

Arc PROCEDURE Rprev(s : Arc);

  /* ============================= Operator's QuadEdge =============== */

Arc PROCEDURE MakeEdge();

Arc PROCEDURE MakeLoop();

void Splice(a,b : Arc);

void Splice_(a,b : Arc);

;} QuadEdge.