/**
 * This utility class provides information about the height of the CN tower.
 * 
 * @author Franck van Breugel
 */
public class CNTower 
{
    private CNTower() {}
    
    /**
     * The height of the CN tower in meters.
     */
    public static final int HEIGHT = 553;
    
    /**
     * Returns the ratio of the given height and the 
     * height of the CN Tower.
     * 
     * @param height the height of a building in meters.
     * @pre. height >= 0
     * @return the given height divided by the height of the
     * CN tower.
     */
    public static double ratio(int height)
    {
	return height / (double) CNTower.HEIGHT;
    }
}