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
oMaximum = axisOrigin.getValue( );
					}
				}
				
				if ( dMinValue == 0 )
				{
					dMinValue = dMaxValue > 0 ? 1 : -1;
				}
			}
			sc = new AutoScale( iType, new Double( 0 ), new Double( 0 ) );
			sc.oStep = new Double( 10 );
			sc.oStepNumber = oStepNumber;
			sc.fs = fs; 
			sc.rtc = rtc; 
			sc.bAxisLabelStaggered = ax.isAxisLabelStaggered( );
			sc.iLabelShowingInterval = ax.getLableShowingInterval( );
			sc.bTickBetweenCategories = ax.isTickBwtweenCategories( );
			sc.dZoomFactor = zoomFactor;
			sc.iMarginPercent = iMarginPercent;
			sc.setData( dsi );
			sc.setDirection( direction );
			
			setNumberMinMaxToScale( sc, oMinimum, oMaximum, rtc, ax );
			
			setStepToScale( sc, oStep, oStepNumber, rtc );
			oMinValue = new Double( dMinValue );
			oMaxValue = new Double( dMaxValue );
			sc.updateAxisMinMax( oMinValue, oMaxValue );
			if ( ( iType & PERCENT ) == PERCENT )
			{