/* triples.java by MR_X                                */
/* free to distribute */
/* finds all Pythagorean triples (a,b,c) such that     */
/* a^2+b^2 = c^2, where a and b are each less than MAX */
import java.applet.Applet;
import java.awt.*;


public class trip extends Applet {
  int MAX=5000;
int key=5;
  int a,b,c, sucess=0;
  double d;

          boolean statusNum = false;
          int xpos=55, ypos=300, numTrials=10;

          int upto=1000;
  TextArea ta = new TextArea("Ready...",15,40);
    String line;
    StringBuffer buf = new StringBuffer();




public void init(){
          setBackground(new Color(180,180,255));
        Choice d= new Choice();

        d.addItem("5");
        d.addItem("10");
        d.addItem("25");
        d.addItem("50");
        d.addItem("100");
        d.addItem("250");
        d.addItem("500");

          add(new Label("Select Number of Trials: "));
          add(d);
        add(new Button("Calculate"));
         add(ta);
//      repaint();
}


public void paint(Graphics g) {
 if (statusNum){
     int a=1,b;
   for (a=1;a<=MAX; a++){
    	for (b=a;b<=MAX; b++){
        	d=Math.sqrt((double)(a*a+b*b));
        	if (d==rint(d)) {

        	    if (prime(a,b)) {
        	      //System.out.println(a+" "+b+" "+(int)rint(d));
 			buf.append("("+a+" , "+b+","+(int)rint(d)+")\n");
			sucess++;
			if (sucess==key)
				b=a=MAX;
		    }
        	}
    	}
    }
        ta.setText(buf.toString());
	  buf = new StringBuffer();		//Clean off buffer
	sucess=0;
	statusNum=false;
}
} // Paint


  public boolean prime(int a, int b) {
	int i;
	double ai, bi;

	for (i=2;i<=a;i++){
	    ai=(double)a/i;
	    bi=(double)b/i;
	    if ((ai==rint(ai)) && (bi==rint(bi))){
	       return false;
	    }
	}
  	return true;
  }


  public boolean action(Event evt, Object arg) {
        if (evt.target instanceof Choice){
                        key=(Integer.parseInt((String)arg));
        }
        if (evt.target instanceof Button){
                statusNum = true;
                ta.setText("Ready...");

                repaint();
        }
        return true;
  }

public int rint(int x) {
	return (Math.round(x));
}
public double rint(double x) {
	return (Math.round(x));
}

  public double roundDouble(double x, int place) {
        double times=1.0;
        for (int j=0;j<place;j++)
                times=times*10;
        return (Math.round(x*times)/times);
  }


  public Insets insets() {
    return new Insets(0,0,0,0);
  }



} //End class trip