Changeset 17668 for branches/2825-NSGA3/HeuristicLab.Algorithms.NSGA3/3.3/NSGA3.cs

Timestamp:

07/14/20 20:28:33 (4 years ago)

Author:

dleko

Message:

#2825 Bugfix.

File:

• branches/2825-NSGA3/HeuristicLab.Algorithms.NSGA3/3.3/NSGA3.cs (modified) (3 diffs)

branches/2825-NSGA3/HeuristicLab.Algorithms.NSGA3/3.3/NSGA3.cs

@@ -219 +219 @@
             base.Initialize(cancellationToken);
 
-            int pop = ReferencePoint.GetNumberOfGeneratedReferencePoints(NumberOfObjectives);
+            int numberOfGeneratedReferencePoints = ReferencePoint.GetNumberOfGeneratedReferencePoints(NumberOfObjectives);
+            int pop = ((numberOfGeneratedReferencePoints + 3) / 4) * 4;
             PopulationSize.Value = pop;
             InitResults();
+            InitFields();
             InitReferencePoints();
-            InitFields();
             Analyze();
         }
@@ -260 +261 @@
             Results.Add(new Result(GeneratedReferencePointsResultName, "The initially generated reference points", new DoubleMatrix()));
             Results.Add(new Result(CurrentFrontResultName, "The Pareto Front", new DoubleMatrix()));
-            Results.Add(new Result(CurrentGenerationResultName, "The current generation", new IntValue(0)));
+            Results.Add(new Result(CurrentGenerationResultName, "The current generation", new IntValue(1)));
         }
 
@@ -274 +275 @@
                 // the next generation) maybe todo: use cloner?
 
-                List<Solution> qt = Mutate(Recombine(solutions));
-                List<Solution> rt = Utility.Concat(solutions, qt);
-
-                solutions = NSGA3Selection.SelectSolutionsForNextGeneration(rt, GetCopyOfReferencePoints(), Problem.Maximization, random);
-
-                ResultsCurrentGeneration.Value++;
+                try
+                {
+                    List<Solution> qt = Mutate(Recombine(solutions));
+                    List<Solution> rt = Utility.Concat(solutions, qt);
+
+                    solutions = NSGA3Selection.SelectSolutionsForNextGeneration(rt, GetCopyOfReferencePoints(), Problem.Maximization, random);
+
+                    ResultsCurrentGeneration.Value++;
+                }
+                catch (Exception ex)
+                {
+                    throw new Exception($"Failed in generation {ResultsCurrentGeneration}", ex);
+                }
             }
         }