3 * Interface to GiNaC's isospin objects. */
6 * GiNaC Copyright (C) 1999-2001 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_ISOSPIN_H__
24 #define __GINAC_ISOSPIN_H__
31 /** Base class for isospin object */
32 class isospin : public indexed
34 GINAC_DECLARE_REGISTERED_CLASS(isospin, indexed)
38 explicit isospin(const std::string & initname);
40 // functions overriding virtual functions from base classes
42 void printraw(std::ostream & os) const;
43 void printtree(std::ostream & os, unsigned indent) const;
44 void print(std::ostream & os, unsigned upper_precedence=0) const;
45 void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
46 bool info(unsigned inf) const;
48 ex simplify_ncmul(const exvector & v) const;
49 unsigned calchash(void) const;
51 // new virtual functions which can be overridden by derived classes
54 // non-virtual functions in this class
56 void setname(const std::string & n);
58 std::string & autoname_prefix(void);
64 unsigned serial; // unique serial number for comparision
66 static unsigned next_serial;
70 inline const isospin &ex_to_isospin(const ex &e)
72 return static_cast<const isospin &>(*e.bp);
77 #endif // ndef __GINAC_ISOSPIN_H__