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
setStepToScale( sc, oStep, oStepNumber, rtc );
		}
		else
		{
			
			oMinValue = null;
			oMaxValue = null;
		}
		
		sc.bLabelWithinAxes = ax.getModelAxis( ).isLabelWithinAxes( );
		
		if ( ( iType & TEXT ) != TEXT && !ax.isCategoryScale( ) )
		{
			sc.computeTicks( xs,
					la,
					iLabelLocation,
					iOrientation,
					dStart,
					dEnd,
					false,
					null );
			dStart = sc.dStart;
			dEnd = sc.dEnd;
			boolean bFirstFit = sc.checkFit( xs, la, iLabelLocation );
			boolean bFits = bFirstFit;
			boolean bZoomSuccess = false;
			
			for ( int i = 0; bFits == bFirstFit && i < 50; i++ )
			{
				bZoomSuccess = true;