X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Findexed.h;h=1ce81945b432cdc40f0537a7699eb35441043eb8;hp=ad32c2372fee25e55e0fef167de8be32000eeea0;hb=ea5d361d94e49ca3f3b73db8c9812ee519f0633f;hpb=6715b097ae926fecfc62e53d4af38b7217634908

diff --git a/ginac/indexed.h b/ginac/indexed.h
index ad32c237..1ce81945 100644
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -153,7 +153,8 @@ protected:
 	ex derivative(const symbol & s) const;
 	ex thiscontainer(const exvector & v) const;
 	ex thiscontainer(std::auto_ptr<exvector> vp) const;
-	unsigned return_type() const { return return_types::commutative; }
+	unsigned return_type() const;
+	unsigned return_type_tinfo() const { return op(0).return_type_tinfo(); }
 	ex expand(unsigned options = 0) const;
 
 	// new virtual functions which can be overridden by derived classes
@@ -256,6 +257,9 @@ exvector get_all_dummy_indices(const ex & e);
 /** Returns b with all dummy indices, which are common with a, renamed */
 ex rename_dummy_indices_uniquely(const ex & a, const ex & b);
 
+/** Same as above, where va and vb contain the indices of a and b and are sorted */
+ex rename_dummy_indices_uniquely(const exvector & va, const exvector & vb, const ex & b);
+
 /** This function returns the given expression with expanded sums
  *  for all dummy index summations, where the dimensionality of 
  *  the dummy index is numeric.