Bug 212371 [Regression] Auto-scale does not work correctly and gridline is not shown anymore when run the attached java file [13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
*/
	public final double getNormalizedStart( )
	{
		return 0;
	}
	/**
	 * Returns the normalized end point. this will be the (orginal end - orginal
	 * start).
	 * 
	 * @return
	 */
	public final double getNormalizedEnd( )
	{
		return dEnd - dStart;
	}
	/**
	 * Returns the normalized start and end point.
	 * 
	 * @return
	 */
	public final double[] getNormalizedEndPoints( )
	{
		return new double[]{
				0, dEnd - dStart
		};
	}
	/**
	 * 
	 * @return
	 */