* Interface to relations between expressions. */
/*
- * GiNaC Copyright (C) 1999-2003 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
*
* 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_RELATIONAL_H__
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
unsigned precedence() const {return 20;}
bool info(unsigned inf) const;
size_t nops() const;
ex op(size_t i) const;
ex map(map_function & f) const;
- ex subs(const lst & ls, const lst & lr, unsigned options = 0) const;
+ ex subs(const exmap & m, unsigned options = 0) const;
ex eval(int level=0) const;
protected:
ex eval_ncmul(const exvector & v) const;
bool match_same_type(const basic & other) const;
unsigned return_type() const;
- unsigned return_type_tinfo() const;
+ tinfo_t return_type_tinfo() const;
unsigned calchash() const;
// new virtual functions which can be overridden by derived classes
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_python_repr(const print_python_repr & c, unsigned level) const;
+
public:
virtual ex lhs() const;
virtual ex rhs() const;
// utility functions
-/** Specialization of is_exactly_a<relational>(obj) for relational objects. */
-template<> inline bool is_exactly_a<relational>(const basic & obj)
-{
- return obj.tinfo()==TINFO_relational;
-}
-
// inlined functions for efficiency
inline relational::safe_bool relational::operator!() const
{