3 * Interface to GiNaC's color indices. */
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_COLORIDX_H__
24 #define __GINAC_COLORIDX_H__
31 #ifndef NO_NAMESPACE_GINAC
33 #endif // ndef NO_NAMESPACE_GINAC
35 /** Class of indices for color algebra (SU(3)) objects, to tell them apart
36 * from other index families like Lorentz indices. */
37 class coloridx : public idx
39 GINAC_DECLARE_REGISTERED_CLASS(coloridx, idx)
45 // default constructor, destructor, copy constructor assignment operator and helpers
49 coloridx (const coloridx & other);
50 const coloridx & operator=(const coloridx & other);
52 void copy(const coloridx & other);
53 void destroy(bool call_parent);
57 explicit coloridx(bool cov);
58 explicit coloridx(const std::string & n, bool cov=false);
59 explicit coloridx(const char * n, bool cov=false);
60 explicit coloridx(unsigned v, bool cov=false);
62 // functions overriding virtual functions from bases classes
64 basic * duplicate() const;
65 void printraw(std::ostream & os) const;
66 void printtree(std::ostream & os, unsigned indent) const;
67 void print(std::ostream & os, unsigned upper_precedence=0) const;
68 bool info(unsigned inf) const;
70 // new virtual functions which can be overridden by derived classes
73 // non-virtual functions in this class
82 extern const coloridx some_coloridx;
83 extern const std::type_info & typeid_coloridx;
86 inline const coloridx &ex_to_coloridx(const ex &e)
88 return static_cast<const coloridx &>(*e.bp);
91 #ifndef NO_NAMESPACE_GINAC
93 #endif // ndef NO_NAMESPACE_GINAC
95 #endif // ndef __GINAC_COLORIDX_H__