- diff() is now only defined on classes ex and basic, where it handles

[ginac.git] / check / expand_subs.cpp

diff --git a/check/expand_subs.cpp b/check/expand_subs.cpp
index 083eae5470ae34a08a6d877836f1e7e1cc2a9de7..419cea7f2962fd792d4f8b94013fba5e180c3fdc 100644 (file)
--- a/check/expand_subs.cpp
+++ b/check/expand_subs.cpp
@@ -1,19 +1,42 @@
-// check/expand_subs.cpp
-
-/* The first test routine implements Denny Fliegner's quick consistency check:
+/** @file expand_subs.cpp
+ *
+ *  The first test routine implements Denny Fliegner's quick consistency check:
  *     e = (a0 + a1 + a2 + a3 + ...)^2
  *     expand e
  *     substitute a0 by (-a2 - a3 - ...) in e
  *     expand e
- * after which e should be just a1^2.
- * In addition, a simpler modification is tested in the second test:
+ *  after which e should be just a1^2.
+ *  In addition, a simpler modification is tested in the second test:
  *     e = (a0 + a1)^200
  *     expand e
  *     substitute a0 by -a1 in e
- * after which e should return 0 (without expanding). */
+ *  after which e should return 0 (without expanding). */
+
+/*
+ *  GiNaC Copyright (C) 1999-2000 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.h"
 
+#ifndef NO_NAMESPACE_GINAC
+using namespace GiNaC;
+#endif // ndef NO_NAMESPACE_GINAC
+
 #define VECSIZE 100
 
 static unsigned expand_subs1(void)
@@ -63,11 +86,11 @@ unsigned expand_subs(void)
 
     cout << "checking commutative expansion and substitution..." << flush;
     clog << "---------commutative expansion and substitution:" << endl;
-
+    
     result += expand_subs1();
     result += expand_subs2();
-
-    if (! result) {
+    
+    if (!result) {
         cout << " passed ";
         clog << "(no output)" << endl;
     } else {