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
{
	private final int iType;
	private Object oMinimum;
	private Object oMaximum;
	/**
	 * Minimum without considering fixed value. Only valid if margin percent is
	 * set and real minimum is less than fixed minimum.
	 */
	private Object oMinimumWithMargin = null;
	/**
	 * Maximum without considering fixed value. Only valid if margin percent is
	 * set and real maximum is greater than fixed maximum.
	 */
	private Object oMaximumWithMargin = null;
	private Object oStep;
	private Integer oStepNumber;
	private Object oUnit;
	private double dStartShift;
	private double dEndShift;
	private double dZoomFactor = 1.0;
	private int iMarginPercent = 0;
	private double dStart, dEnd;