3 * Interface to GiNaC's clifford objects. */
6 * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __GINAC_CLIFFORD_H__
24 #define __GINAC_CLIFFORD_H__
30 #ifndef NO_NAMESPACE_GINAC
32 #endif // ndef NO_NAMESPACE_GINAC
34 /** Base class for clifford object */
35 class clifford : public indexed
39 // default constructor, destructor, copy constructor assignment operator and helpers
43 clifford(const clifford & other);
44 const clifford & operator=(const clifford & other);
46 void copy(const clifford & other);
47 void destroy(bool call_parent);
51 explicit clifford(const std::string & initname);
53 // functions overriding virtual functions from base classes
55 basic * duplicate() const;
56 void printraw(std::ostream & os) const;
57 void printtree(std::ostream & os, unsigned indent) const;
58 void print(std::ostream & os, unsigned upper_precedence=0) const;
59 void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
60 bool info(unsigned inf) const;
62 int compare_same_type(const basic & other) const;
63 ex simplify_ncmul(const exvector & v) const;
64 unsigned calchash(void) const;
66 // new virtual functions which can be overridden by derived classes
69 // non-virtual functions in this class
71 void setname(const std::string & n);
73 std::string & autoname_prefix(void);
79 unsigned serial; // unique serial number for comparision
81 static unsigned next_serial;
86 extern const clifford some_clifford;
87 extern const type_info & typeid_clifford;
90 inline const clifford &ex_to_clifford(const ex &e)
92 return static_cast<const clifford &>(*e.bp);
95 #ifndef NO_NAMESPACE_GINAC
97 #endif // ndef NO_NAMESPACE_GINAC
99 #endif // ndef __GINAC_CLIFFORD_H__