void ligbar(long int ized, const TransitionProxy &t2s2p, const TransitionProxy &t2s3p, double *cs2s2p, double *cs2s3p)
double atom_pop3(double g1, double g2, double g3, double o12, double o13, double o23, double a21, double a31, double a32, double Tex12, double Tex23, realnum *pop2, double abund, double gam2, double r12, double r13)