ncmul::eval(): don't write beyond the end of the vector.

[ginac.git] / ginac / ptr.h

diff --git a/ginac/ptr.h b/ginac/ptr.h
index c8b0691230bc5c8d8b8c49fc7f7d63620a2387c9..636cbd8ee9ac8911ba39df996dfa3e1f8e6e0942 100644 (file)
--- a/ginac/ptr.h
+++ b/ginac/ptr.h
@@ -3,7 +3,7 @@
  *  Reference-counted pointer template. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -20,30 +20,29 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_PTR_H__
-#define __GINAC_PTR_H__
+#ifndef GINAC_PTR_H
+#define GINAC_PTR_H
+
+#include "assertion.h"
 
 #include <cstddef> // for size_t
 #include <functional>
 #include <iosfwd>
 
-#include "assertion.h"
-
 namespace GiNaC {
 
-
 /** Base class for reference-counted objects. */
 class refcounted {
 public:
        refcounted() throw() : refcount(0) {}
 
-       size_t add_reference() throw() { return ++refcount; }
-       size_t remove_reference() throw() { return --refcount; }
-       size_t get_refcount() const throw() { return refcount; }
-       void set_refcount(size_t r) throw() { refcount = r; }
+       unsigned int add_reference() throw() { return ++refcount; }
+       unsigned int remove_reference() throw() { return --refcount; }
+       unsigned int get_refcount() const throw() { return refcount; }
+       void set_refcount(unsigned int r) throw() { refcount = r; }
 
 private:
-       size_t refcount; ///< reference counter
+       unsigned int refcount; ///< reference counter
 };
 
 
@@ -166,4 +165,4 @@ template <class T> struct less< GiNaC::ptr<T> >
 
 } // namespace std
 
-#endif // ndef __GINAC_PTR_H__
+#endif // ndef GINAC_PTR_H