- ln_get_angular_separation
double ln_get_angular_separation(ln_equ_posn posn1, ln_equ_posn* posn2)
Undocumented in source. Be warned that the author may not have intended to support it.
- ln_get_rel_posn_angle
double ln_get_rel_posn_angle(ln_equ_posn posn1, ln_equ_posn posn2)
Undocumented in source. Be warned that the author may not have intended to support it.