[Quantproject-developers] QuantProject/b1_ADT/Statistics BasicFunctions.cs, 1.13, 1.14

[Glauco S. <gla...@us...>]

Update of /cvsroot/quantproject/QuantProject/b1_ADT/Statistics
In directory sfp-cvsdas-2.v30.ch3.sourceforge.com:/tmp/cvs-serv31854/Statistics

Modified Files:
	BasicFunctions.cs 
Log Message:
An exception now is thrown out, when the method GetVariance is invoked with less then two observations

Index: BasicFunctions.cs
===================================================================
RCS file: /cvsroot/quantproject/QuantProject/b1_ADT/Statistics/BasicFunctions.cs,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -d -r1.13 -r1.14
*** BasicFunctions.cs	11 May 2008 17:50:22 -0000	1.13
--- BasicFunctions.cs	27 Mar 2010 17:13:15 -0000	1.14
***************
*** 172,175 ****
--- 172,177 ----
  		static public double GetVariance( ICollection data ) 
  		{
+ 			if ( data.Count < 2 )
+ 				throw new Exception( "Variance requires at least 2 elements!" );
  			double simpleAverage = BasicFunctions.GetSimpleAverage(data);
  			double sum = 0;