/*
 Copyright (C) 1988, Shinji Kono 
 Everyone is permitted to copy and distribute verbatim copies
 of this license, but changing it is not allowed.  You can also
 use this wording to make the terms for other programs.

 send your comments to kono@csl.sony.co.jp
*/
/* 
   support routine for compatibilities
   */

#if defined(SBPROLOG) || defined(XSB)
lite_start :- ['op.pl'],
	assert((define(_,_):-fail)),
	assert((verbose:-fail)),
	assert((variable(_):-fail)).

start :- lite_start,
	load('../Tokio/tokio'),
	['../Tokio/ts.pl'],
	com('../Tokio/tm.pl',user),
	r_header.


r_cputime(X) :- cputime(X0),X is X0/1000.
ttyflush.
#endif

#if defined(SBPROLOG)

'\+'(X) :- call(X),!,fail.
'\+'(_).

#endif

#if ! defined(XSB)
A '\=' A :-!,fail.
_ '\=' _.
#endif

#if defined (XSB)
':-'(X) :- call(X),!;true.

#endif

#if defined(CPROLOG) 
:-abolish(r_cputime,1).
r_cputime(X) :- X is cputime.
#endif

#if defined(SICSTUS) 
r_cputime(X) :- statistics(runtime,[X1,_]),X is X1/1000.
#if defined(SICSTUSV3) 
A '\=' A :-!,fail.
_ '\=' _.
#endif

#endif

#if defined(CPROLOG) 


#if CPROLOG15
term_expansion(X,X).
:-unknown(X,trace).
#endif

:- (ttyflush;assert((ttyflush))).
#endif

append([],X,X).
append([H|X],Y,[H|Z]) :- append(X,Y,Z).


/* end  */