Fixed bugs found by Jianqiang Zhao.

[ginac.git] / ginac / expair.h

diff --git a/ginac/expair.h b/ginac/expair.h
index 2610e8fa47e3e0ec3e4fa3525aeb46f6cf54084f..1a335e0087d9b1fa6d84f4a8263c18e9492e027c 100644 (file)
--- a/ginac/expair.h
+++ b/ginac/expair.h
@@ -3,7 +3,7 @@
  *  Definition of expression pairs (building blocks of expairseq). */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -17,7 +17,7 @@
  *
  *  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_EXPAIR_H__
@@ -84,7 +84,9 @@ public:
                rest.swap(other.rest);
                coeff.swap(other.coeff);
        }
-       
+
+       const expair conjugate() const;
+
        ex rest;    ///< first member of pair, an arbitrary expression
        ex coeff;   ///< second member of pair, must be numeric
 };