#ifndef around namespace GiNaC { }

[ginac.git] / ginac / mul.h

diff --git a/ginac/mul.h b/ginac/mul.h
index 6f951c9ae923d43550b752178dc198092d5f3f4d..76546eb04072135e4e6f02118f3c45e00193d816 100644 (file)
--- a/ginac/mul.h
+++ b/ginac/mul.h
@@ -2,12 +2,32 @@
  *
  *  Interface to GiNaC's products of expressions. */
 
-#ifndef _MUL_H_
-#define _MUL_H_
+/*
+ *  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
+ */
 
-class mul;
+#ifndef __GINAC_MUL_H__
+#define __GINAC_MUL_H__
 
-#include "expairseq.h"
+#include <ginac/expairseq.h>
+
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
 
 /** Product of expressions. */
 class mul : public expairseq
@@ -64,8 +84,6 @@ protected:
     unsigned return_type_tinfo(void) const;
     ex thisexpairseq(epvector const & v, ex const & oc) const;
     ex thisexpairseq(epvector * vp, ex const & oc) const;
-    void printpair(ostream & os, expair const & p,
-                   unsigned upper_precedence) const;
     expair split_ex_to_pair(ex const & e) const;
     expair combine_ex_with_coeff_to_pair(ex const & e,
                                          ex const & c) const;
@@ -97,7 +115,14 @@ protected:
 extern const mul some_mul;
 extern type_info const & typeid_mul;
 
-#define ex_to_mul(X) static_cast<mul const &>(*(X).bp)
+// utility functions
+inline const mul &ex_to_mul(const ex &e)
+{
+       return static_cast<const mul &>(*e.bp);
+}
 
-#endif // ndef _MUL_H_
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE
 
+#endif // ndef __GINAC_MUL_H__