fixed a bug in the raising/lowering of dummy indices and extended it to work

[ginac.git] / ginac / indexed.h

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 58c8bbd4ce16bda7ad563a7c3fb987610ed11317..f539444e7b29f04b39edf42bbf38d0059ecd1924 100644 (file)
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -42,6 +42,7 @@ class indexed : public exprseq
 
        friend ex simplify_indexed(const ex & e, exvector & free_indices, exvector & dummy_indices, const scalar_products & sp);
        friend ex simplify_indexed_product(const ex & e, exvector & free_indices, exvector & dummy_indices, const scalar_products & sp);
+       friend bool reposition_dummy_indices(ex & e, exvector & variant_dummy_indices, exvector & moved_indices);
 
        // other constructors
 public: