hanoi.m4 revision 16748
175584Sru#	$OpenBSD: hanoi.m4,v 1.2 1996/06/26 05:36:19 deraadt Exp $
275584Sru#	$NetBSD: hanoi.m4,v 1.4 1995/09/28 05:37:56 tls Exp $
375584Sru#
475584Sru# Copyright (c) 1989, 1993
575584Sru#	The Regents of the University of California.  All rights reserved.
675584Sru#
775584Sru# This code is derived from software contributed to Berkeley by
875584Sru# Ozan Yigit.
975584Sru#
1075584Sru# Redistribution and use in source and binary forms, with or without
1175584Sru# modification, are permitted provided that the following conditions
1275584Sru# are met:
1375584Sru# 1. Redistributions of source code must retain the above copyright
1475584Sru#    notice, this list of conditions and the following disclaimer.
1575584Sru# 2. Redistributions in binary form must reproduce the above copyright
1675584Sru#    notice, this list of conditions and the following disclaimer in the
1775584Sru#    documentation and/or other materials provided with the distribution.
1875584Sru# 3. All advertising materials mentioning features or use of this software
1975584Sru#    must display the following acknowledgement:
2075584Sru#	This product includes software developed by the University of
2175584Sru#	California, Berkeley and its contributors.
2275584Sru# 4. Neither the name of the University nor the names of its contributors
2375584Sru#    may be used to endorse or promote products derived from this software
2475584Sru#    without specific prior written permission.
2575584Sru#
2675584Sru# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2775584Sru# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2875584Sru# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2975584Sru# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
3075584Sru# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3175584Sru# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3275584Sru# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3375584Sru# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3475584Sru# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3575584Sru# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3675584Sru# SUCH DAMAGE.
3775584Sru#
3875584Sru#	@(#)hanoi.m4	8.1 (Berkeley) 6/6/93
3975584Sru#
4075584Sru
4175584Srudefine(hanoi, `trans(A, B, C, $1)')
4275584Sru
4375584Srudefine(moved,`move disk from $1 to $2
4475584Sru')
4575584Sru
4675584Srudefine(trans, `ifelse($4,1,`moved($1,$2)',
4775584Sru	`trans($1,$3,$2,DECR($4))moved($1,$2)trans($3,$2,$1,DECR($4))')')
4875584Sru