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From "Thomas Neidhart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-778) Dfp Dfp.multiply(int x) does not comply with the general contract FieldElement.multiply(int n)
Date Sat, 20 Oct 2012 08:56:12 GMT

    [ https://issues.apache.org/jira/browse/MATH-778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13480675#comment-13480675
] 

Thomas Neidhart commented on MATH-778:
--------------------------------------

I looked at it as it is one of the few open issues for 3.1. As I am no expert for the Dfp
implementation, I did not want to commit it without at least a comment from Sebastien or somebody
else who is more proficient in this area than I am.
                
> Dfp Dfp.multiply(int x) does not comply with the general contract FieldElement.multiply(int
n)
> ----------------------------------------------------------------------------------------------
>
>                 Key: MATH-778
>                 URL: https://issues.apache.org/jira/browse/MATH-778
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: S├ębastien Brisard
>            Assignee: S├ębastien Brisard
>             Fix For: 3.1
>
>         Attachments: MATH-778.patch
>
>
> In class {{org.apache.commons.math3.Dfp}},  the method {{multiply(int n)}} is limited
to {{0 <= n <= 9999}}. This is not consistent with the general contract of {{FieldElement.multiply(int
n)}}, where there should be no limitation on the values of {{n}}.

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