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Posted to issues@commons.apache.org by "Gilles Sadowski (Jira)" <ji...@apache.org> on 2023/04/06 12:56:00 UTC

[jira] [Resolved] (MATH-1659) some test failures on legacy 4.0 beta1

     [ https://issues.apache.org/jira/browse/MATH-1659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles Sadowski resolved MATH-1659.
-----------------------------------
    Resolution: Workaround

FTR: We do not have statistics about the expected number of failures (for a given optimizer and objective function) given the randomization of the starting point.
Those might reveal bugs/shortcomings in the CM implementations of the optimization algorithms.

> some test failures on legacy 4.0 beta1
> --------------------------------------
>
>                 Key: MATH-1659
>                 URL: https://issues.apache.org/jira/browse/MATH-1659
>             Project: Commons Math
>          Issue Type: Test
>          Components: legacy
>    Affects Versions: 4.0-beta1
>         Environment: Dev configuration where the problem occurs is
>  * Ubuntu 22.04,
>  * Maven 3.6.3
>  * Eclipse 4.23,
>  * java-18-openJdk-amd64 with JavaSE-1.8 compliance
>            Reporter: François Laferrière
>            Priority: Major
>         Attachments: maven.test.trace.txt
>
>
> When running Junit tests on ACM 4.0-snapshot I get a lot of failures. Mostly failures are associated to
>  * roundoff error beyond the tolerance of individual test.
>  * max number of function evalution exceded



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