Changeset 4238

Timestamp:

08/17/10 08:08:29 (14 years ago)

Author:

gkronber

Message:

Fixed bug in symbolic simplifier (inversion of constants). #1026

File:

• branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis/3.3/Symbolic/SymbolicSimplifier.cs (modified) (2 diffs)

branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis/3.3/Symbolic/SymbolicSimplifier.cs

@@ -502 +502 @@
     private SymbolicExpressionTreeNode Invert(SymbolicExpressionTreeNode x) {
       if (IsConstant(x)) {
-        ((ConstantTreeNode)x).Value = 1.0 / ((ConstantTreeNode)x).Value;
+        return MakeConstant(1.0 / ((ConstantTreeNode)x).Value);
       } else if (IsDivision(x)) {
         Trace.Assert(x.SubTrees.Count == 2);
@@ -510 +510 @@
         return MakeFraction(MakeConstant(1), x);
       }
-      return x;
     }