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
if ( bStepFixed )
		{
			return false; 
		}
		if ( ChartUtil.mathEqual( 0, ( (Number) oStep ).doubleValue( ) ) )
		{
			return false; 
		}
		if ( ( iType & NUMERICAL ) == NUMERICAL )
		{
			if ( ( iType & LOGARITHMIC ) == LOGARITHMIC )
			{
				final double dStep = asDouble( oStep ).doubleValue( );
				if ( ( Math.log( dStep ) / LOG_10 ) > 1 )
				{
					oStep = new Double( dStep / 10 );
				}
				else
				{
					int n = iaLogarithmicDeltas.length;
					for ( int i = n - 1; i >= 0; i-- )
					{
						if ( (int) dStep == iaLogarithmicDeltas[i] )
						{
							if ( i > 0 )
							{
								oStep = new Double( iaLogarithmicDeltas[i - 1] );
								return true;
							}
							else