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Posted to issues@commons.apache.org by "Phil Steitz (JIRA)" <ji...@apache.org> on 2008/02/11 02:07:07 UTC

[jira] Resolved: (MATH-184) cumulativeProbability((double)n, (double)n) returns 0 for integer distributions

     [ https://issues.apache.org/jira/browse/MATH-184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phil Steitz resolved MATH-184.
------------------------------

    Resolution: Fixed

Fixed in r 620368.
Thanks for reporting this.

> cumulativeProbability((double)n, (double)n) returns 0 for integer distributions
> -------------------------------------------------------------------------------
>
>                 Key: MATH-184
>                 URL: https://issues.apache.org/jira/browse/MATH-184
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 1.1, 1.2
>            Reporter: Yegor Bryukhov
>            Priority: Minor
>             Fix For: 1.2
>
>
> cumulativeProbability((double)n, (double)n) returns 0 for
> discrete/integer distributions
> I suppose AbstractIntegerDistribution.cumulativeProbability(double,
> double) should be overridden to call its (int, int) version instead of
> using default one from AbstractDistribution

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