[jira] Resolved: (MATH-276) Calculate isNan and isFinite in Complex constructor

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

     [ https://issues.apache.org/jira/browse/MATH-276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe resolved MATH-276.
--------------------------------

    Resolution: Fixed

closing the issue as it was solved some weeks ago (2009-06-23), as of r787521 by Phil and Bill

> Calculate isNan and isFinite in Complex constructor
> ---------------------------------------------------
>
>                 Key: MATH-276
>                 URL: https://issues.apache.org/jira/browse/MATH-276
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 2.0
>            Reporter: Mark Anderson
>            Priority: Minor
>             Fix For: 2.0
>
>         Attachments: Complex.patch
>
>
> From profiling some code performing a large number of FFT operations I found that due to isNaN being called as part of complex arithmetic a large proportion of time was spent within isNaN.
> I would propose calculating isNaN and isFinite in the constructor to save calculating these values each time the methods are called.

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