- put everything in "GiNaC" namespace

[ginac.git] / ginac / add.h

diff --git a/ginac/add.h b/ginac/add.h
index 6986b1e3ca039056b204a2e7df0105b5b14732e6..f471741b95464d5539283ae7158a498d31c8a76a 100644 (file)
--- a/ginac/add.h
+++ b/ginac/add.h
@@ -2,10 +2,30 @@
  *
  *  Interface to GiNaC's sums of expressions. */
 
-#ifndef _ADD_H_
-#define _ADD_H_
+/*
+ *  GiNaC Copyright (C) 1999 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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  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
+ */
 
-#include "expairseq.h"
+#ifndef __GINAC_ADD_H__
+#define __GINAC_ADD_H__
+
+#include <ginac/expairseq.h>
+
+namespace GiNaC {
 
 /** Sum of expressions. */
 class add : public expairseq
@@ -88,7 +108,12 @@ protected:
 extern const add some_add;
 extern type_info const & typeid_add;
 
-#define ex_to_add(X) static_cast<add const &>(*(X).bp)
+// utility functions
+inline const add &ex_to_add(const ex &e)
+{
+       return static_cast<const add &>(*e.bp);
+}
 
-#endif // ndef _ADD_H_
+} // namespace GiNaC
 
+#endif // ndef __GINAC_ADD_H__