import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class Bessel extends BesselGUI{

    int m = 0;

    double Bessel(double z){
        double y = 1.0;
        if ( m == 0){
            y = Math.cos(z); 
        } else if (m ==1 ){
            y = Math.sin(z);
        }  else if (m == 2){
            y = 0.0;
        } else {
            y = 0.0;
        }
        return y;
    }
}