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https://issues.apache.org/jira/browse/MATH-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144256#comment-13144256
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Sébastien Brisard commented on MATH-699:
----------------------------------------

h4. Should this be considered as an error?
Please have a look to lines 
[103-108|http://commons.apache.org/math/xref/org/apache/commons/math/distribution/AbstractContinuousDistribution.html#103]
 of {{AbstractContinuousDistribution}}.
I think the logics is flawed, I have the feeling that 
{{rootFindingFunction.value(lowerBound)}} should be compared with 
{{solver.getFunctionValueAccuracy()}}, and not with 
{{getSolverAbsoluteAccuracy()}}. The problem is that 
{{AbstractContinuousDistribution}} should then have a method called 
{{getSolverFunctionValueAccuracy()}}. Should I add one?
Thanks for your comments,
Sébastien
                
> inverseCumulativeDistribution fails with cumulative distribution having a 
> plateau
> ---------------------------------------------------------------------------------
>
>                 Key: MATH-699
>                 URL: https://issues.apache.org/jira/browse/MATH-699
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Sébastien Brisard
>            Assignee: Sébastien Brisard
>            Priority: Minor
>         Attachments: AbstractContinuousDistributionTest.java
>
>
> This bug report follows MATH-692. The attached unit test fails. As required 
> by the definition in MATH-692, the lower-bound of the interval on which the 
> cdf is constant should be returned. This is not so at the moment.

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