X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fex.h;h=f2feba7338446cd0ab9257ac4955b5fab957d65d;hp=0e2adaf0fb9d211ab422606a6c3476a4ab6ecae5;hb=094911eb78cacb6f2877a70c9ac74766df58ccea;hpb=ad5dd77c6b19c4c7b8cda7f95584f02c01d17896;ds=sidebyside

diff --git a/ginac/ex.h b/ginac/ex.h
index 0e2adaf0..f2feba73 100644
--- a/ginac/ex.h
+++ b/ginac/ex.h
@@ -35,6 +35,7 @@ extern const ex & _ex0(void);     ///<  single ex(numeric(0))
 
 class symbol;
 class lst;
+class scalar_products;
 
 /** Lightweight wrapper for GiNaC's symbolic objects.  Basically all it does is
  *  to hold a pointer to the other objects, manage the reference counting and
@@ -107,7 +108,9 @@ public:
 	ex series(const ex & r, int order, unsigned options = 0) const;
 	ex subs(const lst & ls, const lst & lr) const;
 	ex subs(const ex & e) const;
-	exvector get_indices(void) const;
+	exvector get_free_indices(void) const;
+	ex simplify_indexed(void) const;
+	ex simplify_indexed(const scalar_products & sp) const;
 	ex simplify_ncmul(const exvector & v) const;
 	ex operator[](const ex & index) const;
 	ex operator[](int i) const;