Changeset 220 for branches/ExperimentalFunctionsBaking/Division.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/Division.cs (modified) (2 diffs)

branches/ExperimentalFunctionsBaking/Division.cs

@@ -30 +30 @@
 
 namespace HeuristicLab.Functions {
-  public class Division : FunctionBase {
+  public sealed class Division : FunctionBase {
     private const double EPSILON = 10.0E-20; // if any divisor is < EPSILON return 0
 
@@ -52 +52 @@
     }
 
-    public static double Divide(double[] args) {
-      // (/ 3) => 1/3
-      // (/ 2 3) => 2/3
-      // (/ 3 4 5) => 3/20
-      if(args.Length == 1) {
-        double divisor = args[0];
-        if(Math.Abs(divisor) < EPSILON) return 0;
-        else return 1.0 / divisor;
-      } else {
-        double result = args[0];
-        for(int i = 1; i < args.Length; i++) {
-          double divisor = args[i];
-          if(Math.Abs(divisor) < EPSILON) return 0.0;
-          result /= divisor;
-        }
-        return result;
-      }
-    }
-
-    public override double Apply(Dataset dataset, int sampleIndex, double[] args) {
-      return Division.Divide(args);
-    }
-
     public override void Accept(IFunctionVisitor visitor) {
       visitor.Visit(this);