* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
static char sccsid
[] = "@(#)subr.c 5.1 (Berkeley) %G%";
x
= (x
-obotx
)*scalex
+ botx
;
y
= (y
-oboty
)*scaley
+ boty
;
n
= (abs(hix
-ohix
) + abs(hiy
-ohiy
) + 6) / 12;