Changeset 16305 for trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Hashing/HashExtensions.cs

Timestamp:

11/19/18 15:30:44 (6 years ago)

Author:

bburlacu

Message:

#2950: Change Simplify inside HashNode to a delegate (instead of an Action) so that the nodes array can be passed as ref. This enables us to resize/alter the nodes array during simplification (eg, by performing term expansion or similar operations)

File:

• trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Hashing/HashExtensions.cs (modified) (2 diffs)

trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Hashing/HashExtensions.cs

@@ -35 +35 @@
       public ulong CalculatedHashValue; // the calculated hash value (taking into account the children hash values)
 
-      public Action<HashNode<T>[], int> Simplify;
+      public delegate void SimplifyAction(ref HashNode<T>[] nodes, int i);
+      public SimplifyAction Simplify;
+
       public IComparer<T> Comparer;
 
@@ -108 +110 @@
           continue;
         }
-        node.Simplify?.Invoke(reduced, i);
+        node.Simplify?.Invoke(ref reduced, i);
       }
       // detect if anything was simplified