Function rgsl::legendre::associated_polynomials::legendre_sphPlm_array
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This function computes arrays of normalized associated Legendre functions \sqrt{(2l+1)/(4\pi)} \sqrt{(l-m)!/(l+m)!} P_l^m(x), and derivatives, for m >= 0, l = |m|, …, lmax, |x| <= 1.0