Changeset 12797 for trunk/sources/HeuristicLab.Algorithms.GradientDescent

Timestamp:

07/22/15 10:25:02 (9 years ago)

Author:

gkronber

Message:

#2439: fixed problem in GaussianProcess algorithm after changes in BFGS

File:

• trunk/sources/HeuristicLab.Algorithms.GradientDescent/3.3/LbfgsUpdateResults.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Algorithms.GradientDescent/3.3/LbfgsUpdateResults.cs

@@ -62 +62 @@
     private DoubleValue Quality { get { return QualityParameter.ActualValue; } }
     private LbfgsState State { get { return StateParameter.ActualValue; } }
-    private BoolValue Maximization { get { return MaximizationParameter.ActualValue; } }
+
+    private BoolValue Maximization {
+      get {
+        // BackwardsCompatibility3.3
+        #region Backwards compatible code, remove with 3.4
+        // the parameter is new, previously we assumed minimization problems
+        if (MaximizationParameter.ActualValue == null) return new BoolValue(false);
+        #endregion
+        return MaximizationParameter.ActualValue;
+      }
+    }
+
     #endregion