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
rrPrev ) ) )
					{
						return false;
					}
					rrPrev = rr;
				}
				dAxisValue += dAxisStep;
			}
		}
		else if ( ( iType & ( NUMERICAL | LOGARITHMIC ) ) == ( NUMERICAL | LOGARITHMIC ) )
		{
			double dAxisValue = asDouble( getMinimum( ) ).doubleValue( );
			final double dAxisStep = asDouble( getStep( ) ).doubleValue( );
			String sText;
			NumberDataElement nde = NumberDataElementImpl.create( 0 );
			DecimalFormat df = null;
			for ( int i = 0; i < da.size( ) - 1; i++ )
			{
				nde.setValue( dAxisValue );
				if ( fs == null )
				{
					df = computeDecimalFormat( dAxisValue, dAxisStep );
				}
				try
				{
					sText = ValueFormatter.format( nde,
							fs,
							rtc.getULocale( ),
							df );
				}