/* See {Square.h} */
#include <Square.h>

/* Last edited on 2007-02-03 23:05:11 by stolfi */

#define Square_C_COPYRIGHT \
  "Copyright © 2000,2007 Universidade Estadual de Campinas (UNICAMP)"

#include <Tools.h>
#include <Triangulation.h>
#include <Octf.h>
#include <OctfData.h>

#include <r4.h>
#include <vec.h>

Place_t MakeSquare()
  { Place_t a = WedgeBase(MakeWedge());
    Place_t b = WedgeBase(MakeWedge());
    Place_t c = WedgeBase(MakeWedge());
    Place_t d = WedgeBase(MakeWedge());

    Wall_t f = PWall(a);
    
    Node_t u = MakeNode(0);
    Node_t v = MakeNode(1);
    Node_t w = MakeNode(2);
    Node_t x = MakeNode(3);

    PWedge(a)->num = 0;         
    SetOrg(a, u); SetOrg(Clock(a),v);

    PWedge(b)->num = 0;
    SetNextE(a,b); SetWallInfo(b,f);
    SetOrg(b,v); SetOrg(Clock(b),w);

    PWedge(c)->num = 0;
    SetNextE(b,c); SetWallInfo(c,f);
    SetOrg(c, w);  SetOrg(Clock(c), x);

    PWedge(d)->num = 0;
    SetNextE(c,d); SetWallInfo(d,f);
    SetOrg(d, x);  SetOrg(Clock(d), OrgV(a));
    return a;
  }

#define Square_C_author \
  "Created by L. A. P. Lozada, 2000."