* Interface to GiNaC's indices. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2020 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__
-#define __GINAC_IDX_H__
+#ifndef GINAC_IDX_H
+#define GINAC_IDX_H
#include "ex.h"
#include "numeric.h"
namespace GiNaC {
-
/** This class holds one index of an indexed object. Indices can
* theoretically consist of any symbolic expression but they are usually
* only just a symbol (e.g. "mu", "i") or numeric (integer). Indices belong
// functions overriding virtual functions from base classes
public:
- 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 exmap & m, unsigned options = 0) const;
-
+ bool info(unsigned inf) const override;
+ size_t nops() const override;
+ ex op(size_t i) const override;
+ ex map(map_function & f) const override;
+ ex evalf() const override;
+ ex subs(const exmap & m, unsigned options = 0) const override;
+ void archive(archive_node& n) const override;
+ void read_archive(const archive_node& n, lst& syms) override;
protected:
- ex derivative(const symbol & s) const;
- bool match_same_type(const basic & other) const;
- unsigned calchash() const;
+ ex derivative(const symbol & s) const override;
+ bool match_same_type(const basic & other) const override;
+ unsigned calchash() const override;
// new virtual functions in this class
public:
protected:
void print_index(const print_context & c, unsigned level) const;
void do_print(const print_context & c, unsigned level) const;
+ void do_print_csrc(const print_csrc & 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;
ex value; /**< Expression that constitutes the index (numeric or symbolic name) */
ex dim; /**< Dimension of space (can be symbolic or numeric) */
};
+GINAC_DECLARE_UNARCHIVER(idx);
/** This class holds an index with a variance (co- or contravariant). There
// functions overriding virtual functions from base classes
public:
- bool is_dummy_pair_same_type(const basic & other) const;
-
+ bool is_dummy_pair_same_type(const basic & other) const override;
+ void archive(archive_node& n) const override;
+ void read_archive(const archive_node& n, lst& syms) override;
protected:
- bool match_same_type(const basic & other) const;
+ bool match_same_type(const basic & other) const override;
// non-virtual functions in this class
public:
protected:
bool covariant; /**< x.mu, default is contravariant: x~mu */
};
+GINAC_DECLARE_UNARCHIVER(varidx);
/** This class holds a spinor index that can be dotted or undotted and that
// functions overriding virtual functions from base classes
public:
- bool is_dummy_pair_same_type(const basic & other) const;
+ bool is_dummy_pair_same_type(const basic & other) const override;
// complex conjugation
- ex conjugate() const { return toggle_dot(); }
-
+ ex conjugate() const override { return toggle_dot(); }
+ void archive(archive_node& n) const override;
+ void read_archive(const archive_node& n, lst& syms) override;
protected:
- bool match_same_type(const basic & other) const;
+ bool match_same_type(const basic & other) const override;
// non-virtual functions in this class
public:
protected:
bool dotted;
};
+GINAC_DECLARE_UNARCHIVER(spinidx);
// utility functions
-/** Specialization of is_exactly_a<idx>(obj) for idx objects. */
-template<> inline bool is_exactly_a<idx>(const basic & obj)
-{
- return obj.tinfo()==TINFO_idx;
-}
-
-/** Specialization of is_exactly_a<varidx>(obj) for varidx objects. */
-template<> inline bool is_exactly_a<varidx>(const basic & obj)
-{
- return obj.tinfo()==TINFO_varidx;
-}
-
-/** Specialization of is_exactly_a<spinidx>(obj) for spinidx objects. */
-template<> inline bool is_exactly_a<spinidx>(const basic & obj)
-{
- return obj.tinfo()==TINFO_spinidx;
-}
-
/** Check whether two indices form a dummy pair. */
bool is_dummy_pair(const idx & i1, const idx & i2);
} // namespace GiNaC
-#endif // ndef __GINAC_IDX_H__
+#endif // ndef GINAC_IDX_H