Changeset 17512

Timestamp:

04/15/20 11:05:59 (5 years ago)

Author:

chaider

Message:

#2971 Check if the derived tree contains not allowed symbols

File:

• branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionConstraintAnalyzer.cs (modified) (1 diff)

branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionConstraintAnalyzer.cs

@@ -114 +114 @@
         var tree = solution;
         for (var i = 0; i < constraint.NumberOfDerivations; ++i) {
-            tree = DerivativeCalculator.Derive(tree, constraint.Variable);
+          if (!IntervalInterpreter.IsCompatible(tree) || !DerivativeCalculator.IsCompatible(tree))
+            throw new ArgumentException("Cube, Root, Power Symbols are not supported.");
+          tree = DerivativeCalculator.Derive(tree, constraint.Variable);
         }
         resultInterval = intervalInterpreter.GetSymbolicExpressionTreeInterval(tree, variableRanges);