Various improvements for clifford class (subs for metric, commutator_sign,

[ginac.git] / ginac / structure.h

diff --git a/ginac/structure.h b/ginac/structure.h
index 469acdecd998eb38c51c84c79576cf76e6789785..23ae9c29bc43c911d09070f9712ad631b7d0c1a3 100644 (file)
--- a/ginac/structure.h
+++ b/ginac/structure.h
@@ -3,7 +3,7 @@
  *  Wrapper template for making GiNaC classes out of C++ structures. */
 
 /*
- *  GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2005 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_STRUCTURE_H__
@@ -27,6 +27,7 @@
 
 #include "ex.h"
 #include "ncmul.h"
+#include "numeric.h"
 #include "operators.h"
 #include "print.h"
 
@@ -195,7 +196,7 @@ public:
        // indexed objects
        exvector get_free_indices() const { return exvector(); }
        ex add_indexed(const ex & self, const ex & other) const { return self + other; }
-       ex scalar_mul_indexed(const ex & self, const numeric & other) const { return self * other; }
+       ex scalar_mul_indexed(const ex & self, const numeric & other) const { return self * ex(other); }
        bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const { return false; }
 
        // noncommutativity