2948 dtdb =
eraDtdb(2448939.5, 0.123, 0.76543, 5.0123, 5525.242, 3190.0);
2950 vvd(dtdb, -0.1280368005936998991e-2, 1e-15,
"eraDtdb",
"", status);
static void vvd(double val, double valok, double dval, const char *func, const char *test, int *status)
double eraDtdb(double date1, double date2, double ut, double elong, double u, double v)