static char sccsid
[] = "@(#)line.c 4.1 (Berkeley) 6/27/83";
iline(xconv(xsc(x0
)),yconv(ysc(y0
)),xconv(xsc(x1
)),yconv(ysc(y1
)));
iline(xnow
,ynow
,xconv(xsc(x0
)),yconv(ysc(y0
)));
maxp
= sqrt(dist2(cx0
,cy0
,cx1
,cy1
))/2.;
for (tt
=0; tt
<=maxp
; tt
++){