#include <u.h>#include <libc.h>#include "map.h"  static intXlaue(struct place *place, double *x, double *y){	double r;	if(place->nlat.l<PI/4+FUZZ)		return(-1);	r = tan(PI-2*place->nlat.l);	if(r>3)		return(-1);	*x = - r * place->wlon.s;	*y = - r * place->wlon.c;	return(1);} projlaue(void){	return(Xlaue);}