- color and clifford classes are quite functional now

[ginac.git] / ginac / color.h

diff --git a/ginac/color.h b/ginac/color.h
index 700493253adad38b154c6040586753b7f6465861..48903e45ffa5b82737142643543e3776367fc6e8 100644 (file)
--- a/ginac/color.h
+++ b/ginac/color.h
@@ -85,6 +85,7 @@ class su3t : public tensor
        // functions overriding virtual functions from bases classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
+       bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
 };
 
 /** This class represents the tensor of antisymmetric su(3) structure