Changeset 15162 for trunk/sources/HeuristicLab.Encodings.IntegerVectorEncoding/3.3/IntegerVectorEqualityComparer.cs

Timestamp:

07/06/17 14:42:50 (7 years ago)

Author:

jkarder

Message:

#2730: improved equality comparers

• got rid of one extra comparison
• fixed RealVectorEqualityComparer

File:

• trunk/sources/HeuristicLab.Encodings.IntegerVectorEncoding/3.3/IntegerVectorEqualityComparer.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Encodings.IntegerVectorEncoding/3.3/IntegerVectorEqualityComparer.cs

@@ -28 +28 @@
   public class IntegerVectorEqualityComparer : EqualityComparer<IntegerVector> {
     public override bool Equals(IntegerVector x, IntegerVector y) {
-      if (x == null && y == null) return true;
+      if (ReferenceEquals(x, y)) return true;
       if (x == null || y == null) return false;
-      if (ReferenceEquals(x, y)) return true;
       if (x.Length != y.Length) return false;
       for (var i = 0; i < x.Length; i++)