Changeset 17931 for trunk/HeuristicLab.Algorithms.GradientDescent/3.3/LbfgsMakeStep.cs

Timestamp:

04/09/21 19:41:33 (3 years ago)

Author:

gkronber

Message:

#3117: update alglib to version 3.17

File:

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

trunk/HeuristicLab.Algorithms.GradientDescent/3.3/LbfgsMakeStep.cs

@@ -71 +71 @@
     public override IOperation Apply() {
       var state = State;
-      bool @continue = alglib.minlbfgs.minlbfgsiteration(state.State);
+      bool @continue = alglib.minlbfgsiteration(state.State);
       TerminationCriterionParameter.ActualValue = new BoolValue(!@continue);
       if (@continue) {
         PointParameter.ActualValue = new RealVector(state.State.x);
       } else {
-        double[] x = new double[state.State.x.Length];
-        alglib.minlbfgs.minlbfgsreport rep = new alglib.minlbfgs.minlbfgsreport();
-        alglib.minlbfgs.minlbfgsresults(state.State, ref x, rep);
+        alglib.minlbfgsresults(state.State, out var x, out var rep);
         if (rep.terminationtype < 0) {
           if (rep.terminationtype == -1)