Changeset 14068 for branches/HeuristicLab.Problems.MultiObjectiveTestFunctions/HeuristicLab.Problems.MultiObjectiveTestFunctions/3.3/Testfunctions/MultiObjectiveTestFunction.cs

Timestamp:

07/14/16 14:33:15 (8 years ago)

Author:

mkommend

Message:

#1087: Added checks for min and max objectives to testfunctions.

File:

• branches/HeuristicLab.Problems.MultiObjectiveTestFunctions/HeuristicLab.Problems.MultiObjectiveTestFunctions/3.3/Testfunctions/MultiObjectiveTestFunction.cs (modified) (2 diffs)

branches/HeuristicLab.Problems.MultiObjectiveTestFunctions/HeuristicLab.Problems.MultiObjectiveTestFunctions/3.3/Testfunctions/MultiObjectiveTestFunction.cs

@@ -20 +20 @@
 #endregion
 
+using System;
 using System.Collections.Generic;
 using HeuristicLab.Common;
@@ -69 +70 @@
     /// Returns whether the actual function constitutes a maximization or minimization problem.
     /// </summary>
-    public abstract bool[] Maximization(int objectives);
+    public bool[] Maximization(int objectives) {
+      CheckObjectives(objectives);
+      return GetMaximization(objectives);
+    }
+    protected abstract bool[] GetMaximization(int objectives);
     /// <summary>
     /// Gets the lower and upper bound of the function.
     /// </summary>
-    public abstract double[,] Bounds(int objectives);
-
+    public double[,] Bounds(int objectives) {
+      CheckObjectives(objectives);
+      return GetBounds(objectives);
+    }
+    protected abstract double[,] GetBounds(int objectives);
 
     /// <summary>
     /// retrieves the optimal pareto front (if known from a file)
     /// </summary>
-    public abstract IEnumerable<double[]> OptimalParetoFront(int objectives);
+    public IEnumerable<double[]> OptimalParetoFront(int objectives) {
+      CheckObjectives(objectives);
+      return GetOptimalParetoFront(objectives);
+    }
+    protected abstract IEnumerable<double[]> GetOptimalParetoFront(int objectives);
 
     /// <summary>
     /// returns a Reference Point for Hypervolume calculation (default=(11|11))
     /// </summary>
-    public abstract double[] ReferencePoint(int objectives);
-
+    public double[] ReferencePoint(int objectives) {
+      CheckObjectives(objectives);
+      return GetReferencePoint(objectives);
+    }
+    protected abstract double[] GetReferencePoint(int objectives);
 
     /// <summary>
     /// returns the best known Hypervolume for this test function   (default=-1) 
-    /// </summary>
+    /// </summary>     
     public virtual double BestKnownHypervolume(int objectives) {
+      CheckObjectives(objectives);
+      return GetBestKnownHypervolume(objectives);
+    }
+
+    protected virtual double GetBestKnownHypervolume(int objectives) {
       return -1;
+    }
+
+    protected void CheckObjectives(int objectives) {
+      if (objectives < MinimumObjectives) throw new ArgumentException(string.Format("There must be at least {0} objectives", MinimumObjectives));
+      if (objectives > MaximumObjectives) throw new ArgumentException(string.Format("There must be at most {0} objectives", MaximumObjectives));
     }