* Interface to GiNaC's indices. */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2005 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
*
* 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __GINAC_IDX_H__
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
bool info(unsigned inf) const;
size_t nops() const;
ex op(size_t i) const;
ex map(map_function & f) const;
ex evalf(int level = 0) const;
- ex subs(const lst & ls, const lst & lr, unsigned options = 0) const;
+ ex subs(const exmap & m, unsigned options = 0) const;
protected:
ex derivative(const symbol & s) const;
bool match_same_type(const basic & other) const;
+ unsigned calchash() const;
// new virtual functions in this class
public:
* If this is undecidable, throw an exception. */
ex minimal_dim(const idx & other) const;
+protected:
+ void print_index(const print_context & c, unsigned level) const;
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
+ void do_print_tree(const print_tree & c, unsigned level) const;
+
protected:
ex value; /**< Expression that constitutes the index (numeric or symbolic name) */
ex dim; /**< Dimension of space (can be symbolic or numeric) */
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
bool is_dummy_pair_same_type(const basic & other) const;
protected:
/** Make a new index with the same value but the opposite variance. */
ex toggle_variance() const;
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_tree(const print_tree & c, unsigned level) const;
+
// member variables
protected:
bool covariant; /**< x.mu, default is contravariant: x~mu */
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
bool is_dummy_pair_same_type(const basic & other) const;
+ // complex conjugation
+ ex conjugate() const { return toggle_dot(); }
protected:
bool match_same_type(const basic & other) const;
* dottedness. */
ex toggle_variance_dot() const;
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
+ void do_print_tree(const print_tree & c, unsigned level) const;
+
// member variables
protected:
bool dotted;