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https://issues.apache.org/jira/browse/NUMBERS-65?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16444023#comment-16444023
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Gilles commented on NUMBERS-65:
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bq. if RootsOfUnity is eliminated, I don't think any of the tests need to be
transferred.
Those for negative argument (the functionality to be added to {{nthRoot}})?
> "RootsOfUnity" vs "nthRoot"
> ---------------------------
>
> Key: NUMBERS-65
> URL: https://issues.apache.org/jira/browse/NUMBERS-65
> Project: Commons Numbers
> Issue Type: Task
> Components: complex
> Reporter: Gilles
> Priority: Major
> Labels: API, delete, gsoc2018
> Fix For: 1.0
>
>
> There is partial overlap of functionality between class {{RootsOfUnity}} and
> method {{nthRoot}} (in class {{Complex}}).
> The latter is more general (any complex number) but the former allows a
> negative argument (to specify clockwise ordering).
> Also, the implementations are different; it should be checked which is more
> accurate (and then account for possible performance trade-offs).
> API-wise, I think that we should keep {{nthRoot}} (and delete
> {{RootsOfUnity}}).
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