/* File:      lips_mega.P
** Author(s): Jiyang Xu, Kostis Sagonas
** Contact:   xsb-contact@cs.sunysb.edu
** 
** Copyright (C) The Research Foundation of SUNY, 1986, 1993-1998
** Copyright (C) ECRC, 1990
** 
** XSB is free software; you can redistribute it and/or modify it under the
** terms of the GNU Library General Public License as published by the Free
** Software Foundation; either version 2 of the License, or (at your option)
** any later version.
** 
** XSB is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
** FOR A PARTICULAR PURPOSE.  See the GNU Library General Public License for
** more details.
** 
** You should have received a copy of the GNU Library General Public License
** along with XSB; if not, write to the Free Software Foundation,
** Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** $Id: lips_mega.P,v 1.1.1.1 1998/11/05 17:00:59 sbprolog Exp $
** 
*/

go :- cputime(X0), lint(1000,List), lint(1000,Timel), lips(List,Timel),
	cputime(X1), X is X1 - X0, write('cputime: '), write(X), nl.

lips(List,Times) :- member(a,Times), append(List,[b],_), fail.
lips(_,_).

lint(0,[]).
lint(N,[a|L]) :- N > 0, M is N-1, lint(M,L).

member(X, [X|_]).
member(X, [_|Y]) :- member(X, Y).

append([], L, L).
append([X|L1], L2, [X|L3]) :- append(L1, L2, L3).