Changeset 14875 for branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatelessExpression.cs

Timestamp:

04/18/17 01:15:25 (8 years ago)

Author:

pkimmesw

Message:

#2665 BenchmarkSuite, all examples, partially tested, VectorExpressions added

File:

• branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatelessExpression.cs (modified) (1 diff)

branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatelessExpression.cs

@@ -1 +1 @@
 namespace HeuristicLab.Problems.ProgramSynthesis.Push.Expressions {
   public abstract class StatelessExpression : Expression {
-    private readonly int hashCode;
+    private int hashCode;
+
     protected StatelessExpression() {
-      this.hashCode = this.GetType().GetHashCode();
+      hashCode = GetType().GetHashCode();
     }
 
     public override int GetHashCode() {
-      return this.hashCode;
+      return hashCode;
     }
 
     public override bool Equals(object obj) {
-      return ReferenceEquals(this, obj);
+      return ReferenceEquals(this, obj) ||
+             hashCode == obj.GetHashCode();
     }
   }