Changeset 133 for trunk/sources/HeuristicLab.Functions

Timestamp:

04/18/08 15:16:54 (17 years ago)

Author:

gkronber

Message:

changed GP 'terminal symbol' Variable to return NaN for index outside the range of the dataset (for instance when negative time-offsets are allowed and a model is evaluated for the first sample)

File:

• trunk/sources/HeuristicLab.Functions/Variable.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Functions/Variable.cs

@@ -109 +109 @@
       int offset = sampleOffset.Data;
 
+      if(sampleIndex+offset<0 || sampleIndex+offset>=dataset.Rows) return double.NaN;
       return w * dataset.GetValue(sampleIndex + offset, v);
     }