/**
    Program:  JoelSaddle
    Purpose:  
    @author:  Paul Garrett, garrett@math.umn.edu
    @version: 5, Wed Mar  5 21:41:07 CST 1997
*/

public class JoelSaddle extends SurfGraf11 {

  final float thePoly(float x, float y) {
    return (- x*y);
  }

}