From: Richard Kreckel <Richard.Kreckel@uni-mainz.de>
Date: Sun, 27 Nov 2005 00:08:06 +0000 (+0000)
Subject: * Forward declare simplify indexed for GCC 4.1 [Sheplyakov Alexei].
X-Git-Tag: release_1-4-0~129
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=commitdiff_plain;h=5b271ab557e07090fd87d816da06c4f765b2dde9;p=ginac.git

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

diff --git a/ginac/indexed.cpp b/ginac/indexed.cpp
index e9c4fee2..5ed31f32 100644
--- 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;
 }
 
+// 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)