* Forward declare simplify indexed for GCC 4.1 [Sheplyakov Alexei].

diff --git a/ginac/indexed.cpp b/ginac/indexed.cpp
index e9c4fee2e56e9bd09b9c36a8bf73cb4f79d2a820..5ed31f32c87e976b45ea59cd6b6f8f152acd94be 100644 (file)
--- a/ginac/indexed.cpp
+++ b/ginac/indexed.cpp
@@ -738,6 +738,9 @@ template<class T> ex idx_symmetrization(const ex& r,const exvector& local_dummy_
        return q;
 }
 
        return q;
 }
 

+// Forward declaration needed in absence of friend injection, C.f. [namespace.memdef]:
+ex simplify_indexed(const ex & e, exvector & free_indices, exvector & dummy_indices, const scalar_products & sp);
+

 /** Simplify product of indexed expressions (commutative, noncommutative and
  *  simple squares), return list of free indices. */
 ex simplify_indexed_product(const ex & e, exvector & free_indices, exvector & dummy_indices, const scalar_products & sp)
 /** Simplify product of indexed expressions (commutative, noncommutative and
  *  simple squares), return list of free indices. */
 ex simplify_indexed_product(const ex & e, exvector & free_indices, exvector & dummy_indices, const scalar_products & sp)