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From "Leandro Ariel Pezzente (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-743) Use enums in package transform
Date Sun, 12 Feb 2012 00:54:59 GMT

    [ https://issues.apache.org/jira/browse/MATH-743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13206320#comment-13206320
] 

Leandro Ariel Pezzente commented on MATH-743:
---------------------------------------------

I would love to give it a try at changing the transformer loops into a recursive summation
function just to see if it improves performance.
                
> Use enums in package transform
> ------------------------------
>
>                 Key: MATH-743
>                 URL: https://issues.apache.org/jira/browse/MATH-743
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.0
>            Reporter: S├ębastien Brisard
>            Assignee: S├ębastien Brisard
>              Labels: api-change, enum, transform
>
> As discussed on the mailing-list, enums could be used in the package {{transform}}
> # An enumeration {{FORWARD, INVERSE}} will be created to specify whether the inverse
transform is to be computed. This will replace the pair {{transform}}/{{inverseTransform}}
> # An enumeration {{STANDARD, ORTHOGONAL}} will be introduced (where relevant) in each
transform class, in order to specify the normalization that should be used. Then the factory
methods {{create()}}/{{createOrthogonal()}} will be replaced by a parameter passed to the
constructor, which will be made public.

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