Changeset 15051 for trunk/sources/HeuristicLab.Optimization/3.3/BasicProblems/SingleObjectiveBasicProblem.cs

Timestamp:

06/24/17 22:36:02 (7 years ago)

Author:

abeham

Message:

#2783:

• Implemented GetBestIndividual as public static and protected method in SingleObjectiveBasicProblem
• Impblemented GetParetorFronts as public static and protected method in MultiObjectiveBasicProblem
• Implemented AddOrUpdateResult as public method in ResultCollection

File:

• trunk/sources/HeuristicLab.Optimization/3.3/BasicProblems/SingleObjectiveBasicProblem.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Optimization/3.3/BasicProblems/SingleObjectiveBasicProblem.cs

@@ -20 +20 @@
 #endregion
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -84 +85 @@
     }
 
+    protected Tuple<Individual, double> GetBestIndividual(Individual[] individuals, double[] qualities) {
+      return GetBestIndividual(individuals, qualities, Maximization);
+    }
+    public static Tuple<Individual, double> GetBestIndividual(Individual[] individuals, double[] qualities, bool maximization) {
+      var zipped = individuals.Zip(qualities, (i, q) => new { Individual = i, Quality = q });
+      var best = (maximization ? zipped.OrderByDescending(z => z.Quality) : zipped.OrderBy(z => z.Quality)).First();
+      return Tuple.Create(best.Individual, best.Quality);
+    }
+
     protected override void OnOperatorsChanged() {
       base.OnOperatorsChanged();