xref: /plan9/sys/src/cmd/map/libmap/sinusoidal.c (revision 59cc4ca53493a3c6d2349fe2b7f7c40f7dce7294) 
1 #include <u.h>
2 #include <libc.h>
3 #include "map.h"
4 
5 int
Xsinusoidal(struct place * place,double * x,double * y)6 Xsinusoidal(struct place *place, double *x, double *y)
7 {
8 	*x = - place->wlon.l * place->nlat.c;
9 	*y = place->nlat.l;
10 	return(1);
11 }
12 
13 proj
sinusoidal(void)14 sinusoidal(void)
15 {
16 	return(Xsinusoidal);
17 }
18