X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fexpair.h;h=0a9867750ade0ca86a456bbf78de604f47f83ced;hp=ffe953224a1a5120317097e8d2c8053176a1c940;hb=8bcccf834ad41e94a1a4f3a0304c2945b228b4f4;hpb=6b3768e8c544739ae53321539cb4d1e3112ded1b

diff --git a/ginac/expair.h b/ginac/expair.h
index ffe95322..0a986775 100644
--- a/ginac/expair.h
+++ b/ginac/expair.h
@@ -1,4 +1,32 @@
-/** @file expair.h */
+/** @file expair.h
+ *
+ *  Definition of expression pairs (building blocks of expairseq). */
+
+/*
+ *  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
+ */
+
+#ifndef __GINAC_EXPAIR_H__
+#define __GINAC_EXPAIR_H__
+
+#include <ginac/ex.h>
+#include <ginac/numeric.h>
+
+namespace GiNaC {
 
 /** A pair of expressions.
  *  This similar to, but slightly extended STL's pair<> but we need to account
@@ -169,5 +197,6 @@ public:
     }
 };
 
+} // namespace GiNaC
 
-           
+#endif // ndef __GINAC_EXPAIR_H__