src/share/vm/utilities/numberSeq.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -20,10 +20,13 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_UTILITIES_NUMBERSEQ_HPP
+#define SHARE_VM_UTILITIES_NUMBERSEQ_HPP
+
 /**
  **  This file contains a few classes that represent number sequence,
  **  x1, x2, x3, ..., xN, and can calculate their avg, max, and sd.
  **
  **  Here's a quick description of the classes:

@@ -123,5 +126,7 @@
   double predict_next() const; // prediction based on linear regression
 
   // Debugging/Printing
   virtual void dump_on(outputStream* s);
 };
+
+#endif // SHARE_VM_UTILITIES_NUMBERSEQ_HPP