inlined ex::swap() and provided versions of iter_swap() for ex and expair

[ginac.git] / ginac / color.cpp

diff --git a/ginac/color.cpp b/ginac/color.cpp
index dd8ee18dc3606861efb2c886ef93a91599a9f916..aeaf112c6e16adb9e9b9906a74bb9c3bca86eab6 100644 (file)
--- a/ginac/color.cpp
+++ b/ginac/color.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's color (SU(3) Lie algebra) objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2002 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
@@ -20,7 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <algorithm>
+#include <iostream>
 #include <stdexcept>
 
 #include "color.h"