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Posted to issues@commons.apache.org by "Alex Herbert (Jira)" <ji...@apache.org> on 2021/12/20 22:55:00 UTC

[jira] [Created] (NUMBERS-181) Update the RegularizedBeta function using the Boost implementation

Alex Herbert created NUMBERS-181:
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             Summary: Update the RegularizedBeta function using the Boost implementation
                 Key: NUMBERS-181
                 URL: https://issues.apache.org/jira/browse/NUMBERS-181
             Project: Commons Numbers
          Issue Type: Improvement
          Components: gamma
    Affects Versions: 1.1
            Reporter: Alex Herbert
             Fix For: 1.1


The gamma functions were updated to use the Boost C++ implementation in NUMBERS-174. This was done for the methods where accuracy was improved over the existing implementation.

Investigate porting the Boost C++ implementation of the beta function. This may improve accuracy over the existing implementation.

The implementation may solve the accuracy of the RegularizedBeta when a and b are largeish (NUMBERS-52) and will solve the computation of the complement of the RegularizedBeta function (NUMBERS-169).



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