3 * Implementation of class signaling failure of operation. Considered
4 * obsolete all this stuff ought to be replaced by exceptions. */
7 * GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 GINAC_IMPLEMENT_REGISTERED_CLASS(fail, basic)
33 // default ctor, dtor, copy ctor assignment operator and helpers
38 fail::fail() : inherited(TINFO_fail)
40 debugmsg("fail default ctor",LOGLEVEL_CONSTRUCT);
45 void fail::copy(const fail & other)
47 inherited::copy(other);
50 void fail::destroy(bool call_parent)
52 if (call_parent) inherited::destroy(call_parent);
59 /** Construct object from archive_node. */
60 fail::fail(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
62 debugmsg("fail ctor from archive_node", LOGLEVEL_CONSTRUCT);
65 /** Unarchive the object. */
66 ex fail::unarchive(const archive_node &n, const lst &sym_lst)
68 return (new fail(n, sym_lst))->setflag(status_flags::dynallocated);
71 /** Archive the object. */
72 void fail::archive(archive_node &n) const
74 inherited::archive(n);
78 // functions overriding virtual functions from bases classes
83 void fail::print(std::ostream & os, unsigned upper_precedence) const
85 debugmsg("fail print",LOGLEVEL_PRINT);
89 void fail::printraw(std::ostream & os) const
91 debugmsg("fail printraw",LOGLEVEL_PRINT);
97 int fail::compare_same_type(const basic & other) const
99 // two fails are always identical