Changeset 220 for branches/ExperimentalFunctionsBaking/Logarithm.cs

Timestamp:

05/07/08 00:02:43 (16 years ago)

Author:

gkronber

Message:

worked on #139:

• fixed display of trees in the gui
• split list representation of tree into two lists code and data
• implemented static evaluation for all predefined functions (except ProgrammableFunction)

File:

• branches/ExperimentalFunctionsBaking/Logarithm.cs (modified) (2 diffs)

branches/ExperimentalFunctionsBaking/Logarithm.cs

@@ -29 +29 @@
 
 namespace HeuristicLab.Functions {
-  public class Logarithm : FunctionBase {
+  public sealed class Logarithm : FunctionBase {
     public override string Description {
       get { return "Returns the natural (base e) logarithm of the first sub-tree."; }
@@ -40 +40 @@
     }
 
-    public override double Apply(Dataset dataset, int sampleIndex, double[] args) {
-      return Math.Log(args[0]);
-    }
-
     public override void Accept(IFunctionVisitor visitor) {
       visitor.Visit(this);