Changeset 12290 for branches/HeuristicLab.Problems.GrammaticalOptimization-gkr/HeuristicLab.Algorithms.GrammaticalOptimization/Solvers

Timestamp:

04/07/15 14:31:06 (10 years ago)

Author:

gkronber

Message:

#2283 created a new branch to separate development from aballeit

Location:

branches/HeuristicLab.Problems.GrammaticalOptimization-gkr

Files:

• . (copied) (copied from branches/HeuristicLab.Problems.GrammaticalOptimization)
• HeuristicLab.Algorithms.GrammaticalOptimization/Solvers/SequentialSearch.cs (modified) (5 diffs)

branches/HeuristicLab.Problems.GrammaticalOptimization-gkr/HeuristicLab.Algorithms.GrammaticalOptimization/Solvers/SequentialSearch.cs

@@ -43 +43 @@
     private readonly int randomTries;
     private readonly IGrammarPolicy behaviourPolicy;
-    private readonly IGrammarPolicy greedyPolicy;
     private TreeNode rootNode;
 
@@ -58 +57 @@
       this.randomTries = randomTries;
       this.behaviourPolicy = behaviourPolicy;
-      this.greedyPolicy = new GenericGrammarPolicy(problem, new EpsGreedyPolicy(0.0), false);
       this.stateChain = new List<string>();
     }
@@ -171 +169 @@
     private void DistributeReward(double reward) {
       behaviourPolicy.UpdateReward(stateChain, reward);
-      //greedyPolicy.UpdateReward(stateChain, reward);
     }
 
@@ -178 +175 @@
       StopRequested = false;
       behaviourPolicy.Reset();
-      greedyPolicy.Reset();
       maxSearchDepth = 0;
       bestQuality = 0.0;
@@ -208 +204 @@
         var maxValue = values.Max();
         if (maxValue == 0) maxValue = 1.0;
+        if (double.IsPositiveInfinity(maxValue)) maxValue = double.MaxValue;
 
         // write phrases