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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-839) In "RealDistribution" implementations, rename method "cumulativeProbability(double,double)" to "probability(double,double)"
Date Sat, 04 Aug 2012 19:48:03 GMT

    [ https://issues.apache.org/jira/browse/MATH-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13428668#comment-13428668
] 

Gilles commented on MATH-839:
-----------------------------

bq. we can do all the work for 3.1

No. The new method cannot be added to the {{RealDistribution}} interface as it would break
backwards compatibility.
For this reason, some unit tests also cannot be updated to not use the deprecated method (see
revision 1369420).

What can be done for 3.1, has been done:
(/) Add new method to {{AbstractRealDistribution}} and to the implementations that override
it.
(/) Redirect deprecated method to the new method.

                
> In "RealDistribution" implementations, rename method "cumulativeProbability(double,double)"
to "probability(double,double)"
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MATH-839
>                 URL: https://issues.apache.org/jira/browse/MATH-839
>             Project: Commons Math
>          Issue Type: Task
>    Affects Versions: 3.0
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Trivial
>              Labels: api-change
>             Fix For: 3.1, 4.0
>
>
> Cf. http://en.wikipedia.org/wiki/Cumulative_distribution_function
> Cf. http://en.wikipedia.org/wiki/Probability_density_function
> The method currently named "cumulativeProbability(double,double)" in fact provides the
_probability_ of the variable to be within the given interval. The name "probability" would
thus be more accurate (and shorter).

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