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7.7.3 Coulomb Wave Function Normalization Constant

The Coulomb wave function normalization constant is defined in Abramowitz 14.1.7.

— Function: int gsl_sf_coulomb_CL_e (double L, double eta, gsl_sf_result * result)

This function computes the Coulomb wave function normalization constant C_L(\eta) for L > -1.

— Function: int gsl_sf_coulomb_CL_array (double Lmin, int kmax, double eta, double cl[])

This function computes the Coulomb wave function normalization constant C_L(\eta) for L = Lmin \dots Lmin + kmax, Lmin > -1.