#ifndef lintstatic char SccsId[] = " @(#)space.c	4.1	(ULTRIX)	7/2/90";#endif not(lint)/* * Modification History * * 	April-11-1989, Pradeep Chetal *	Added changes from 4.3Tahoe BSD for lots of new drivers *//* * Copyright (c) 1980, 1986 Regents of the University of California. * All rights reserved.  The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */#ifndef lintstatic char sccsid[] = "@(#)space.c	6.1 (Berkeley) 8/29/86";#endif not lint#include "grnplot.h"/*--------------------------------------------------------- *	Space sets up the world-to-screen transformation so *	that the rectangular area described by (x0, y0) and *	(x1, y1) will all be on-screen. * *	Results:	None. * *	Side Effects: *	Our own variables scale, xbot, and ybot are changed. *--------------------------------------------------------- */space(x0, y0, x1, y1)int x0, y0, x1, y1;{    double xscale=0.0, yscale=0.0;    if (x1>x0)	    xscale = GRXMAX/(double)(x1-x0);    if (y1>y0)	    yscale = GRYMAX/(double)(y1-y0);    scale = (xscale > yscale && yscale > 0)? yscale : xscale;    if (scale == 0.0) scale == 1.0;    xbot = x0;    ybot = y0;}