int gsl_sf_hydrogenicR_1_e(double Z,double r,double* result);
double gsl_sf_hydrogenicR_1(double Z,double r);
int gsl_sf_hydrogenicR_e(int n,int l,double Z,double r,double* result);
double gsl_sf_hydrogenicR(int n,int l,double Z,double r);
int gsl_sf_coulomb_wave_FG_e(double eta,double x,double lam_F,int k_lam_G,double* F,double* Fp,double* G,double* Gp,double* exp_F,double* exp_G);
int gsl_sf_coulomb_wave_F_array(double lam_min,int kmax,double eta,double x,double* fc_array,double* F_exponent);
int gsl_sf_coulomb_wave_FG_array(double lam_min,int kmax,double eta,double x,double* fc_array,double* gc_array,double* F_exponent,double* G_exponent);
int gsl_sf_coulomb_wave_FGp_array(double lam_min,int kmax,double eta,double x,double* fc_array,double* fcp_array,double* gc_array,double* gcp_array,double* F_exponent,double* G_exponent);
int gsl_sf_coulomb_wave_sphF_array(double lam_min,int kmax,double eta,double x,double* fc_array,double* F_exponent);
int gsl_sf_coulomb_CL_e(double L,double eta,double* result);
int gsl_sf_coulomb_CL_array(double Lmin,int kmax,double eta,double* cl);