*
* Interface to GiNaC's non-commutative products of expressions. */
-#ifndef _NCMUL_H_
-#define _NCMUL_H_
+/*
+ * 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
+ */
+
+#ifndef __GINAC_NCMUL_H__
+#define __GINAC_NCMUL_H__
-#include "exprseq.h"
+#include <ginac/exprseq.h>
-class ncmul;
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
/** Non-commutative product of expressions. */
class ncmul : public exprseq
{
+ GINAC_DECLARE_REGISTERED_CLASS(ncmul, exprseq)
+
friend class power;
friend ex nonsimplified_ncmul(exvector const & v);
friend ex simplified_ncmul(exvector const & v);
// functions overriding virtual functions from bases classes
public:
basic * duplicate() const;
- void printraw(ostream & os) const;
void print(ostream & os, unsigned upper_precedence) const;
+ void printraw(ostream & os) const;
void printcsrc(ostream & os, unsigned upper_precedence) const;
bool info(unsigned inf) const;
int degree(symbol const & s) const;
ex nonsimplified_ncmul(exvector const & v);
ex simplified_ncmul(exvector const & v);
-#define ex_to_ncmul(X) static_cast<ncmul const &>(*(X).bp)
+// utility functions
+inline const ncmul &ex_to_ncmul(const ex &e)
+{
+ return static_cast <const ncmul &>(*e.bp);
+}
-#endif // ndef _NCMUL_H_
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef __GINAC_NCMUL_H__