* Add namespace declarators to is_ex_the_function().

[ginac.git] / ginac / structure.cpp

diff --git a/ginac/structure.cpp b/ginac/structure.cpp
index d2edaf86a2b8dd60d8fd6501278972189a02592e..c8c0e2b0dd7812859720b93da8b1d2a8748f9d03 100644 (file)
--- a/ginac/structure.cpp
+++ b/ginac/structure.cpp
@@ -3,7 +3,7 @@
  *  Implementation of 'abstract' class structure. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2002 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
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <iostream>
 #include <string>
 
 #include "structure.h"