[Quantproject-developers] QuantProject/b3_Data/DataTables GroupQuotes.cs,1.1,1.2

[Marco M. <mi...@us...>]

Update of /cvsroot/quantproject/QuantProject/b3_Data/DataTables
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9731/b3_Data/DataTables

Modified Files:
	GroupQuotes.cs 
Log Message:
Added method GetNumberOfDaysWithEffectiveTrades (that's it: traded volume > 0)

Index: GroupQuotes.cs
===================================================================
RCS file: /cvsroot/quantproject/QuantProject/b3_Data/DataTables/GroupQuotes.cs,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** GroupQuotes.cs	25 Jul 2004 12:02:39 -0000	1.1
--- GroupQuotes.cs	6 Jan 2005 18:43:57 -0000	1.2
***************
*** 185,188 ****
--- 185,200 ----
      
      /// <summary>
+     /// Returns the number of days at which the given ticker has been effectively traded 
+     /// </summary>
+     /// <param name="ticker">ticker for which the number of days has to be returned</param>
+     /// <returns></returns>
+     public int GetNumberOfDaysWithEffectiveTrades( string ticker )
+     {
+       DataRow[] rows = this.Select(Quotes.TickerFieldName + "='" + ticker + "'" +
+                                     " AND " + Quotes.Volume + ">0");
+       return rows.Length;
+     }
+ 
+     /// <summary>
      /// If the given ticker has a quote at the given date, then it returns the given date,
      /// else it returns the first valid following date at which a quote is available