Changeset 155 for trunk/sources/HeuristicLab.Functions/Signum.cs

Timestamp:

04/22/08 18:05:14 (16 years ago)

Author:

gkronber

Message:

merged FunctionsAndStructIdRefactoring-branch (r142, r143, r144, r145, r146, r147, r148, r149, r152, r153) back into the trunk (ticket #112)

File:

• trunk/sources/HeuristicLab.Functions/Signum.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Functions/Signum.cs

@@ -31 +31 @@
   public class Signum : FunctionBase {
     public override string Description {
-      get { return "Returns the signum of the first sub-operator."; }
+      get { return "Returns the signum of the first sub-tree."; }
     }
 
@@ -40 +40 @@
     }
 
-    public Signum(Signum source, IDictionary<Guid, object> clonedObjects)
-      : base(source, clonedObjects) {
-    }
-
-
-    public override double Evaluate(Dataset dataset, int sampleIndex) {
-      double value = SubFunctions[0].Evaluate(dataset, sampleIndex);
+    public override double Apply(Dataset dataset, int sampleIndex, double[] args) {
+      double value = args[0];
       if(value < 0) return -1;
       if(value > 0) return 1;
       return 0;
     }
-
-    public override object Clone(IDictionary<Guid, object> clonedObjects) {
-      Signum clone = new Signum(this, clonedObjects);
-      clonedObjects.Add(clone.Guid, clone);
-      return clone;
-    }
-
 
     public override void Accept(IFunctionVisitor visitor) {