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

[ginac.git] / ginac / relational.cpp

diff --git a/ginac/relational.cpp b/ginac/relational.cpp
index 0b8074633d47d002de7da16780f3318200ef6ff9..d0beb95205e138dbcefae8766077fca089fa67e4 100644 (file)
--- a/ginac/relational.cpp
+++ b/ginac/relational.cpp
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <iostream>
 #include <stdexcept>
 
 #include "relational.h"