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 AutoScale( int _iType, Object _oMinimum, Object _oMaximum )
	{
		iType = _iType;
		oMinimum = _oMinimum;
		oMaximum = _oMaximum;
	}
	final void setFixed( boolean _bMinimum, boolean _bMaximum, boolean _bStep )
	{
		bMinimumFixed = _bMinimum;
		bMaximumFixed = _bMaximum;
		bStepFixed = _bStep;
	}
	/**
	 * Sets the scale direction.
	 * 
	 * @param val
	 */
	public final void setDirection( int iValue )
	{
		iScaleDirection = iValue;
	}
	/**
	 * Returns the scale direction.
	 * 
	 * @return
	 */
	public int getDirection( )
	{
		return iScaleDirection;