X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Fptr.h;h=636cbd8ee9ac8911ba39df996dfa3e1f8e6e0942;hb=c5be6a0d868b7fbf2bf51ed3ee2d2f50d3574b99;hp=4c4ea71d6bbfde7d70a1f0e563f29d9ef3c1d164;hpb=dffb4439ad438c76002d6b7798e5e3b651a2ac19;p=ginac.git

diff --git a/ginac/ptr.h b/ginac/ptr.h
index 4c4ea71d..636cbd8e 100644
--- a/ginac/ptr.h
+++ b/ginac/ptr.h
@@ -3,7 +3,7 @@
  *  Reference-counted pointer template. */
 
 /*
- *  GiNaC Copyright (C) 1999-2004 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
@@ -17,33 +17,32 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  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
 };
 
 
@@ -142,6 +141,7 @@ public:
 	inline friend std::ostream & operator<<(std::ostream & os, const ptr<T> & rhs)
 	{
 		os << rhs.p;
+		return os;
 	}
 
 private:
@@ -165,4 +165,4 @@ template <class T> struct less< GiNaC::ptr<T> >
 
 } // namespace std
 
-#endif // ndef __GINAC_PTR_H__
+#endif // ndef GINAC_PTR_H