NAG AD Library
S (Specfun)
Approximations of Special Functions

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S (Specfun) Chapter Introduction (FL Interface) – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
s01ba 26.2 nagad_specfun_log_shifted
ln(1+x)
s15ab 27.1 nagad_specfun_cdf_normal
Cumulative Normal distribution function P(x)
s15ad 27.1 nagad_specfun_erfc_real
Complement of error function erfc(x)
s18de 27.1 nagad_specfun_bessel_i_complex
Modified Bessel functions Iν+a(z), real a0, complex z, ν=0,1,2,