Changeset 7696 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeSimplifier.cs

Timestamp:

04/03/12 08:20:22 (13 years ago)

Author:

gkronber

Message:

#1810 implemented a number of additional special functions from alglib

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeSimplifier.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeSimplifier.cs

@@ -581 +581 @@
       } else if (IsExp(node)) {
         return node.GetSubtree(0);
+      } else if (IsSquareRoot(node)) {
+        return MakeFraction(MakeLog(node.GetSubtree(0)), MakeConstant(2.0));
       } else {
         var logNode = logSymbol.CreateTreeNode();