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https://issues.apache.org/jira/browse/MATH-166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukas Theussl updated MATH-166:
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Attachment: MATH-166.patch
Patch to increase the default accuracy and corresponding tests.
> Special functions not very accurate
> -----------------------------------
>
> Key: MATH-166
> URL: https://issues.apache.org/jira/browse/MATH-166
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Lukas Theussl
> Priority: Minor
> Attachments: MATH-166.patch
>
>
> The Gamma and Beta functions return values in double precision but the
> default epsilon is set to 10e-9. I think that the default should be set to
> the highest possible accuracy, as this is what I'd expect to be returned by a
> double precision routine. Note that the erf function already uses a call to
> Gamma.regularizedGammaP with an epsilon of 1.0e-15.
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