Changeset 12674 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectivePruningAnalyzer.cs

Timestamp:

07/08/15 11:02:22 (9 years ago)

Author:

gkronber

Message:

#2359: use stable sort in pruning analyzer

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectivePruningAnalyzer.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectivePruningAnalyzer.cs

@@ -206 +206 @@
       var qualities = Quality.Select(x => x.Value).ToArray();
       var indices = Enumerable.Range(0, qualities.Length).ToArray();
-      Array.Sort(qualities, indices);
+      indices.StableSort((a, b) => qualities[a].CompareTo(qualities[b]));
+
       if (!Maximization.Value) Array.Reverse(indices);
 
@@ -214 +215 @@
       var empty = new EmptyOperator();
 
-      for (int i = 0; i < subscopes.Count; ++i) {
+      for (int i = 0; i < indices.Length; ++i) {
         IOperator @operator;
         if (range.Start <= i && i < range.End && random.NextDouble() <= PruningProbability)