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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2015/01/22 14:24:35 UTC

[jira] [Commented] (MATH-1198) Simplify FastMath exp function

    [ https://issues.apache.org/jira/browse/MATH-1198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14287408#comment-14287408 ] 

Thomas Neidhart commented on MATH-1198:
---------------------------------------

This conversion might also trigger the JIT bug:

{code}
       int intVal = (int) x;
{code}

Thus I proposed to do the first check with the unchanged double value. Afterwards we are quite sure that we are not affected by the bug anymore.

> Simplify FastMath exp function
> ------------------------------
>
>                 Key: MATH-1198
>                 URL: https://issues.apache.org/jira/browse/MATH-1198
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Sebb
>         Attachments: commons-math.patch
>
>
> Patch (to follow) simplifies the exp function and hopefully avoids the Java 1.5 JIT bug as well.



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