#ifndef FunnyBall_H
#define FunnyBall_H

/* Last edited on 2007-01-25 14:26:47 by stolfi */

/* Building a funny ball-shaped complex [???] */

#define FunnyBall_H_copyright \
  "Copyright © 2000 Universidade Estadual de Campinas (UNICAMP)"

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

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

FourPlaces_t MakeFunnyBall(void);
  /* Buils one cell with American football shape. This cell
     is the gluing scheme for obtain the "pseudomanifold" complex. */

Place_t GlueBall(Place_t a, Place_t b);
  /* Make the glueing of two simples 2-gon walls around of one common wall.
     The {a} and their adjacentes on the same wall component is killed. */
 
#define FunnyBall_H_author \
  "C interface created by J. Stolfi, jan/2007."

#endif