3 * Interface to GiNaC's index carrying 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_INDEXED_H__
24 #define __GINAC_INDEXED_H__
29 #ifndef NO_NAMESPACE_GINAC
31 #endif // ndef NO_NAMESPACE_GINAC
34 /** Base class for objects with indices. */
35 class indexed : public exprseq
37 GINAC_DECLARE_REGISTERED_CLASS(indexed, exprseq)
41 indexed(const ex & i1);
42 indexed(const ex & i1, const ex & i2);
43 indexed(const ex & i1, const ex & i2, const ex & i3);
44 indexed(const ex & i1, const ex & i2, const ex & i3, const ex & i4);
45 indexed(const exvector & iv);
46 indexed(exvector * iv);
48 // functions overriding virtual functions from base classes
50 basic * duplicate() const;
51 void printraw(std::ostream & os) const;
52 void printtree(std::ostream & os, unsigned indent) const;
53 void print(std::ostream & os, unsigned upper_precedence=0) const;
54 void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence) const;
55 bool info(unsigned inf) const;
57 /** Return the vector of indices on this object. */
58 exvector get_indices(void) const {return seq;}
61 ex derivative(const symbol & s) const;
62 int compare_same_type(const basic & other) const;
63 bool is_equal_same_type(const basic & other) const;
64 unsigned return_type(void) const;
65 unsigned return_type_tinfo(void) const;
66 ex thisexprseq(const exvector & v) const;
67 ex thisexprseq(exvector * vp) const;
69 // new virtual functions which can be overridden by derived classes
72 // non-virtual functions in this class
74 void printrawindices(std::ostream & os) const;
75 void printtreeindices(std::ostream & os, unsigned indent) const;
76 void printindices(std::ostream & os) const;
77 bool all_of_type_idx(void) const;
84 inline const indexed &ex_to_indexed(const ex &e)
86 return static_cast<const indexed &>(*e.bp);
89 #ifndef NO_NAMESPACE_GINAC
91 #endif // ndef NO_NAMESPACE_GINAC
93 #endif // ndef __GINAC_INDEXED_H__