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Posted to issues@commons.apache.org by "Phil Steitz (JIRA)" <ji...@apache.org> on 2010/04/03 05:43:27 UTC

[jira] Updated: (MATH-343) Brent solver doesn't throw IllegalArgumentException when initial guess has the wrong sign

     [ https://issues.apache.org/jira/browse/MATH-343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phil Steitz updated MATH-343:
-----------------------------

    Fix Version/s: 2.1

> 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
>             Fix For: 2.1
>
>
> 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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