* Interface to GiNaC's indices. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2008 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
ex map(map_function & f) const;
ex evalf(int level = 0) const;
ex subs(const exmap & m, unsigned options = 0) const;
-
+ void archive(archive_node& n) const;
+ void read_archive(const archive_node& n, lst& syms);
protected:
ex derivative(const symbol & s) const;
bool match_same_type(const basic & 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_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;
-
+ void archive(archive_node& n) const;
+ void read_archive(const archive_node& n, lst& syms);
protected:
bool match_same_type(const basic & other) const;
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
bool is_dummy_pair_same_type(const basic & other) const;
// complex conjugation
ex conjugate() const { return toggle_dot(); }
-
+ void archive(archive_node& n) const;
+ void read_archive(const archive_node& n, lst& syms);
protected:
bool match_same_type(const basic & other) const;
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);