1 28994509 2004-04-21 devnull #include <u.h>
 2 28994509 2004-04-21 devnull #include <libc.h>
 3 28994509 2004-04-21 devnull #include "map.h"
 4 28994509 2004-04-21 devnull 
 5 28994509 2004-04-21 devnull 
 6 28994509 2004-04-21 devnull static int
 7 28994509 2004-04-21 devnull Xlaue(struct place *place, double *x, double *y)
 8 28994509 2004-04-21 devnull {
 9 28994509 2004-04-21 devnull 	double r;
10 28994509 2004-04-21 devnull 	if(place->nlat.l<PI/4+FUZZ)
11 28994509 2004-04-21 devnull 		return(-1);
12 28994509 2004-04-21 devnull 	r = tan(PI-2*place->nlat.l);
13 28994509 2004-04-21 devnull 	if(r>3)
14 28994509 2004-04-21 devnull 		return(-1);
15 28994509 2004-04-21 devnull 	*x = - r * place->wlon.s;
16 28994509 2004-04-21 devnull 	*y = - r * place->wlon.c;
17 28994509 2004-04-21 devnull 	return(1);
18 28994509 2004-04-21 devnull }
19 28994509 2004-04-21 devnull 
20 28994509 2004-04-21 devnull proj
21 28994509 2004-04-21 devnull laue(void)
22 28994509 2004-04-21 devnull {
23 28994509 2004-04-21 devnull 	return(Xlaue);
24 28994509 2004-04-21 devnull }