18 #ifndef _PRECESSION_H_
19 #define _PRECESSION_H_
37 void getPrecessionAnglesVondrak(
const double jde,
double *epsilon_A,
double *chi_A,
double *omega_A,
double *psi_A);
43 void getPrecessionAnglesVondrakPQXYe(
const double jde,
double *vP_A,
double *vQ_A,
double *vX_A,
double *vY_A,
double *vepsilon_A);
46 double getPrecessionAngleVondrakEpsilon(
const double jde);
49 double getPrecessionAngleVondrakCurrentEpsilonA(
void);
63 void getNutationAngles(
const double JDE,
double *deltaPsi,
double *deltaEpsilon);