public void normalize() {
		double n = Math.sqrt( w * w + x * x + y * y + z * z);

		w /= n;
		x /= n;
		y /= n;
		z /= n;
	}
public void normalize() {
		double n = Math.sqrt( w * w + x * x + y * y + z * z);

		w /= n;
		x /= n;
		y /= n;
		z /= n;
	}
public void normalize ( ) { double n = Math . sqrt ( w * w + x * x + y * y + z * z ) ; w /= n ; x /= n ; y /= n ; z /= n ; }
Converts the quaternion into a unit quaternion.
Converts the quaternion into a unit quaternion .