- put everything in "GiNaC" namespace

[ginac.git] / check / differentiation.cpp

diff --git a/check/differentiation.cpp b/check/differentiation.cpp
index c6838efdb2c56d4d1d96c2fd53e554f413c2028b..d1051ea9e8cd871ac22bde57709ab7cc87b4867b 100644 (file)
--- a/check/differentiation.cpp
+++ b/check/differentiation.cpp
@@ -1,8 +1,27 @@
-// check/differentiation.cpp
+/** @file differentiation.cpp
+ *
+ *  Tests for symbolic differentiation, including various functions. */
 
-/* Tests for symbolic differentiation, including various functions. */
+/*
+ *  GiNaC Copyright (C) 1999 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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
 
 #include <ginac/ginac.h>
+using namespace GiNaC;
 
 static unsigned check_diff(const ex &e, const symbol &x,
                            const ex &d, unsigned nth=1)