asa091, a C++ code which computes the percentage points of the Chi-Squared probability distribution, by Best and Roberts.
ASA091 is Applied Statistics Algorithm 91.
The computer code and data files described and made available on this web page are distributed under the MIT license
asa091 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version.
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Original FORTRAN77 version by Donald Best and DE Roberts; C++ version by John Burkardt.