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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MATH-343) Brent solver doesn't throw IllegalArgumentException when initial guess has the wrong sign
Date Wed, 24 Feb 2010 11:36:28 GMT

    [ https://issues.apache.org/jira/browse/MATH-343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837747#action_12837747
] 

Luc Maisonobe commented on MATH-343:
------------------------------------

You are right.
I have removed the unreachable code and committed it in the subversion repository
Thanks again

> Brent solver doesn't throw IllegalArgumentException when initial guess has the wrong
sign
> -----------------------------------------------------------------------------------------
>
>                 Key: MATH-343
>                 URL: https://issues.apache.org/jira/browse/MATH-343
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Volkan Aktas
>            Priority: Critical
>
> Javadoc for "public double solve(final UnivariateRealFunction f, final double min, final
double max, final double initial)" claims that "if the values of the function at the three
points have the same sign" an IllegalArgumentException is thrown. This case isn't even checked.

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