Changeset 11895 for branches/HeuristicLab.Problems.GrammaticalOptimization/Test/TestSymbRegInstances.cs

Timestamp:

02/05/15 07:03:15 (9 years ago)

Author:

gkronber

Message:

#2283: constant opt, expressioncompiler, autodiff, fixes in GP solvers

File:

• branches/HeuristicLab.Problems.GrammaticalOptimization/Test/TestSymbRegInstances.cs (modified) (2 diffs)

branches/HeuristicLab.Problems.GrammaticalOptimization/Test/TestSymbRegInstances.cs

@@ -1 +1 @@
 using System;
 using System.Linq;
+using HeuristicLab.Algorithms.GeneticProgramming;
 using HeuristicLab.Algorithms.GrammaticalOptimization;
 using HeuristicLab.Problems.GrammaticalOptimization.SymbReg;
@@ -13 +14 @@
 
       var problem = new SymbolicRegressionProblem(new Random(), "Tower");
-
+      double r2;
+      Assert.AreEqual(problem.Evaluate("a*b"), problem.OptimizeConstantsAndEvaluate("a*b"));
+      Assert.AreEqual(problem.OptimizeConstantsAndEvaluate("a*b"), problem.Evaluate("a*b"));
+      Assert.AreEqual(problem.OptimizeConstantsAndEvaluate("0*a*b"), problem.Evaluate("a*b"), 1E-6);
+      Assert.AreEqual(problem.OptimizeConstantsAndEvaluate("0*a*b+1"), problem.Evaluate("a*b"), 1E-6);
+      Assert.IsTrue(problem.OptimizeConstantsAndEvaluate("0*a+b") >= problem.Evaluate("a+b"));
+      Assert.AreEqual(problem.OptimizeConstantsAndEvaluate("0*a+0*b"), problem.Evaluate("a+b"), 1E-6);
+      Assert.IsTrue(problem.OptimizeConstantsAndEvaluate("0*a+1*b") >= problem.Evaluate("a+b"));
     }
   }