Bug 214197 [Regression] Auto scale does not work correctly [13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
/**
	 * Sets the scale direction.
	 * 
	 * @param val
	 */
	public final void setDirection( int iValue )
	{
		iScaleDirection = iValue;
	}
	/**
	 * Returns the scale direction.
	 * 
	 * @return
	 */
	public int getDirection( )
	{
		return iScaleDirection;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#clone()
	 */
	public final Object clone( )
	{
		final AutoScale sc = new AutoScale( iType, oMinimum, oMaximum );
		sc.oStep = oStep;
		sc.oStepNumber = this.oStepNumber;
		sc.dStart = dStart;
		sc.dEnd = dEnd;