[jira] Commented: (MATH-478) FastMath is not an exact replacement for StrictMath

["Sebb (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12983852#action_12983852 ] 

Sebb commented on MATH-478:
---------------------------

ulp(float) added as part of MATH-478

> FastMath is not an exact replacement for StrictMath
> ---------------------------------------------------
>
>                 Key: MATH-478
>                 URL: https://issues.apache.org/jira/browse/MATH-478
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Sebb
>
> FastMath Javadoc says:
> "Faster, more accurate, portable alternative to StrictMath."
> However, it does not implement the following StrictMath methods:
> hypot(double, double)
> IEEEremainder(double, double)
> Nor the following, though it probably should:
> signum(float)
> ulp(float)
> FastMath implements the following additional methods:
> acosh(double)
> asinh(double)
> atanh(double)
> nextAfter(double, double)
> nextUp(double)
> I think this should be documented.

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