/** @file fail.h
*
* Interface to class signaling failure of operation. Considered obsolete
- * (all of this is replaced by exceptions). */
+ * somewhat obsolete (most of this can be replaced by exceptions). */
/*
- * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2007 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_FAIL_H__
GINAC_DECLARE_REGISTERED_CLASS(fail, basic)
// functions overriding virtual functions from base classes
-public:
- void print(const print_context & c, unsigned level = 0) const;
protected:
- unsigned return_type(void) const { return return_types::noncommutative_composite; };
-};
+ unsigned return_type() const { return return_types::noncommutative_composite; };
-/** Specialization of is_exactly_a<fail>(obj) for fail objects. */
-template<> inline bool is_exactly_a<fail>(const basic & obj)
-{
- return obj.tinfo()==TINFO_fail;
-}
+ // non-virtual functions in this class
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+};
} // namespace GiNaC