/** Small driver class to test Point2d
 *  @author Robert H. sloan
 */
class PointTester {
 public static void main (String[] args) {
    Point2d  pt1 = new Point2d ();

    System.out.println ("pt1 = " + pt1);

    Point2d pt2 = new Point2d(4.0, 3.0);

    System.out.println ("pt2 = " + pt2);

    pt1.setDebug(true);		// turning on debugging
				// statements for pt1

    System.out.println ("Distance from " + pt1 + " to " + pt2 +
			" is " + pt1.distanceFrom(pt2));

    System.out.println ("Distance from " + pt2 + " to " + pt1 +
			" is " + pt2.distanceFrom(pt1));

    System.out.println ("Distance from " + pt1 + " to the origin (0, 0) is " +
			pt1.distanceFromOrigin());

    System.out.println ("Distance from " + pt2 + " to the origin (0, 0) is " +
			pt2.distanceFromOrigin());

    pt1.setXY(3, 5);
    System.out.println ("pt1 = " + pt1);

    pt2.setXY(-3, -5);
    System.out.println ("pt2 = " + pt2);

    System.out.println ("Distance from " + pt1 + " to " + pt2 +
			" is " + pt1.distanceFrom(pt2));

    System.out.println ("Distance from " + pt2 + " to " + pt1 +
			" is " + pt2.distanceFrom(pt1));

    pt1.setDebug(false);   	// turning off debugging 
			   	// statements for pt1

    System.out.println ("Distance from " + pt1 + " to the origin (0, 0) is " +
			pt1.distanceFromOrigin());

    System.out.println ("Distance from " + pt2 + " to the origin (0, 0) is " +
			pt2.distanceFromOrigin());

 }
}