// ========================================================================== ;//                                                                            ;//     Copyright (1996-1998)  Hartmut S. Loos                                 ;//                                                                            ;//     Institut f"ur Neuroinformatik   ND 03                                  ;//     Ruhr-Universit"at Bochum                                               ;//     44780 Bochum                                                           ;//                                                                            ;//     Tel  : +49 234 7007845                                                 ;//     Email: Hartmut.Loos@neuroinformatik.ruhr-uni-bochum.de                 ;//                                                                            ;//     For version information and parameter explanation have a look at       ;//     the file 'DemoGNG.java'.                                               ;//                                                                            ;// ========================================================================== ;//                                                                            ;// Copyright 1996-1998 Hartmut S. Loos                                        ;//                                                                            ;// This program is free software; you can redistribute it and/or modify       ;// it under the terms of the GNU General Public License as published by       ;// the Free Software Foundation; either version 1, or (at your option)        ;// any later version.                                                         ;//                                                                            ;// This program is distributed in the hope that it will be useful,            ;// but WITHOUT ANY WARRANTY; without even the implied warranty of             ;// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              ;// GNU General Public License for more details.                               ;//                                                                            ;// You should have received a copy of the GNU General Public License          ;// along with this program; if not, write to the Free Software                ;// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                  ;//                                                                            ;// ========================================================================== ;/** * A class representing a halfedge in the Voronoi diagram * */class HalfEdgeVoronoi {  public HalfEdgeVoronoi ELleft;  public HalfEdgeVoronoi ELright;  public EdgeVoronoi ELedge = null;  public SiteVoronoi vertex = null;  public int ELpm = -1;  public int ELrefcnt = -1;  public float ystar = -1.0f;  public HalfEdgeVoronoi() {    ELedge = new EdgeVoronoi();    vertex = new SiteVoronoi();    ELpm = 0;    ystar = 0.0f;  }  public HalfEdgeVoronoi(EdgeVoronoi e, int pm) {    ELedge = e;    ELpm = pm;    vertex = null;    ELrefcnt = 0;  }  /**   * Returns whether this edge is greater than the passed edge.   *   * @param HalfEdgeVoronoi he	 	The edge to compare this edge to.   */  public boolean greaterThan(HalfEdgeVoronoi he) {    return ystar > he.ystar;  }    /**   * Returns whether this edge is equal to the passed edge.   *   * @param HalfEdgeVoronoi he	 	The edge to compare this edge to.   */  public boolean equal(HalfEdgeVoronoi he) {    return ystar == he.ystar;  }    /**   * Prints this edge.   */  public void print() {    System.out.println("HE: ystar = " + ystar + ", ELpm = " + ELpm);  }}