X-Git-Url: https://ginac.de/ginac.git/static/gitweb.css/ginac.git?a=blobdiff_plain;f=ginac%2Fnormal.h;h=304d51c2b50bbb492e45dc03c4bc4fe313e411f4;hb=82fd1a4ad2f5d58a502a2ccc71be45093b282fea;hp=be67d8ebe450b0f3b0b963907991655914ed4a15;hpb=64c3117e974abb88920a68bbc0b8d01139e43aad;p=ginac.git

diff --git a/ginac/normal.h b/ginac/normal.h
index be67d8eb..304d51c2 100644
--- a/ginac/normal.h
+++ b/ginac/normal.h
@@ -6,7 +6,7 @@
  *  computation, square-free factorization and rational function normalization. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -63,6 +63,9 @@ extern ex sqrfree(const ex &a, const lst &l = lst());
 // Square-free partial fraction decomposition of a rational function a(x)
 extern ex sqrfree_parfrac(const ex & a, const symbol & x);
 
+// Collect common factors in sums.
+extern ex collect_common_factors(const ex & e);
+
 } // namespace GiNaC
 
 #endif // ndef __GINAC_NORMAL_H__