Changeset 16496

Timestamp:

01/04/19 11:41:42 (5 years ago)

Author:

bburlacu

Message:

#2976: Add null check to avoid NullReferenceException.

File:

• trunk/HeuristicLab.Random/3.3/RandomEnumerable.cs (modified) (1 diff)

trunk/HeuristicLab.Random/3.3/RandomEnumerable.cs

@@ -202 +202 @@
         var cur = list.First;
         double ball = cur.Value.Item2, sum = random.NextDouble() * total; // assert: sum < total. When there is only one item remaining: sum < ball
-        while (ball < sum) {
+        while (ball < sum && cur.Next != null) {
           cur = cur.Next;
           ball += cur.Value.Item2;