/* The following variables are declared in omercury.c.
 * They are used by Meeus perturbation formulas.
 */
extern double sinV;
extern double cosV;
extern double sinW;
extern double sinze;
extern double sin2ze;
extern double sin3ze;
extern double sin4ze;
extern double cosze;
extern double cos2ze;
extern double cos3ze;
extern double cos4ze;
extern double sinQ;
extern double sin2Q;
extern double cosQ;
extern double cos2Q;
extern double sin3Q;
extern double cos3Q;
extern double sin5ze;
extern double cos5ze;
extern double sin2V;
extern double cos2V;
extern double sin1H;
extern double sin2H;
extern double cos1H;
extern double cos2H;
extern double sinth;
extern double sin2th;
extern double costh;
extern double cos2th;
extern double M;
extern double M1;
extern double M2;
extern double M4;
extern double M5;
extern double M6;
extern double M7;
extern double M8;
extern double nu;
extern double P;
extern double Q;
extern double S;
extern double V;
extern double W;
extern double ze;
extern double psi;
extern double H;
extern double G;
extern double eta;
extern double th;
extern double f;
extern double T;