* Simplify bernoulli. The orginal was somewhat overoptimized.

[ginac.git] / ginac / tensor.h

diff --git a/ginac/tensor.h b/ginac/tensor.h
index ac0db7c18c307e5c4e43f7fcca1f9e3209bde2ea..0ebfb0f56d76b93633c8a635d30c20e2cf763982 100644 (file)
--- a/ginac/tensor.h
+++ b/ginac/tensor.h
@@ -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_TENSOR_H__
@@ -65,6 +65,7 @@ public:
 
        // non-virtual functions in this class
 protected:
+       unsigned return_type() const { return return_types::commutative; }
        void do_print(const print_context & c, unsigned level) const;
        void do_print_latex(const print_latex & c, unsigned level) const;
 };
@@ -84,6 +85,7 @@ public:
 
        // non-virtual functions in this class
 protected:
+       unsigned return_type() const { return return_types::commutative; }
        void do_print(const print_context & c, unsigned level) const;
 };
 
@@ -106,6 +108,7 @@ public:
 
        // non-virtual functions in this class
 protected:
+       unsigned return_type() const { return return_types::commutative; }
        void do_print(const print_context & c, unsigned level) const;
        void do_print_latex(const print_latex & c, unsigned level) const;
 
@@ -153,6 +156,7 @@ public:
 
        // non-virtual functions in this class
 protected:
+       unsigned return_type() const { return return_types::commutative; }
        void do_print(const print_context & c, unsigned level) const;
        void do_print_latex(const print_latex & c, unsigned level) const;