* Headers only include <iosfwd> from now on, since that contains all the

[ginac.git] / ginac / structure.cpp

diff --git a/ginac/structure.cpp b/ginac/structure.cpp
index d2edaf86a2b8dd60d8fd6501278972189a02592e..1122c212e730b0430ab06e82e476e3ef192f2b4e 100644 (file)
--- a/ginac/structure.cpp
+++ b/ginac/structure.cpp
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <iostream>
 #include <string>
 
 #include "structure.h"