#ifndef _EARTH_POS_H
#define _EARTH_POS_H

void
calc_earth_pos(double jde, double *l, double *b, double *r);

/* taking into account vsop87 iou80 and nutation and abberation */
double
get_sun_ecl_lon_at_jde (double the_jde);

/* taking into account vsop87 iou80 and nutation and abberation */
double
get_jde_of_ecliptic_longitude (int the_year, double ecliptic_longitude );

#endif