ASA111 is a C++ library which computes the percentage points of the normal distribution, by Beasley and Springer.
ASA111 is Applied Statistics Algorithm 111. Source code for many Applied Statistics Algorithms is available through STATLIB.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
ASA111 is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version.
ASA066, a C++ library which evaluates the CDF of the normal distribution.
ASA241, a C++ library which evaluates the percentage points of the Normal distribution.
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GSL, a C++ library which includes many routines for evaluating probability distributions.
NORMAL, a C++ library which samples the normal distribution.
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Original FORTRAN77 version by JD Beasley, SG Springer; C++ version by John Burkardt.
You can go up one level to the C++ source codes.