Changeset 14079 for branches/crossvalidation-2434/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs

Timestamp:

07/15/16 10:20:58 (8 years ago)

Author:

gkronber

Message:

#2434: merged changes r14026:14078 from trunk to branch

Location:

branches/crossvalidation-2434

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Regression (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4 (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs (modified) (1 diff)

branches/crossvalidation-2434/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs

@@ -332 +332 @@
           terms.Add(t);
         }
-        term = AutoDiff.TermBuilder.Sum(terms);
+        if (terms.Count == 1) term = -terms[0];
+        else term = AutoDiff.TermBuilder.Sum(terms);
         return true;
       }