[jira] Commented: (MYFACES-1890) Numberconverter has issue with bigdecimal

["Matthias Weßendorf (JIRA)" <de...@myfaces.apache.org>]

    [ https://issues.apache.org/jira/browse/MYFACES-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931088#action_12931088 ] 

Matthias Weßendorf commented on MYFACES-1890:
---------------------------------------------

it's not expensive

> Numberconverter has issue with bigdecimal
> -----------------------------------------
>
>                 Key: MYFACES-1890
>                 URL: https://issues.apache.org/jira/browse/MYFACES-1890
>             Project: MyFaces Core
>          Issue Type: Bug
>    Affects Versions:  1.2.0, 1.2.2, 1.2.3
>            Reporter: Matthias Weßendorf
>            Assignee: Matthias Weßendorf
>             Fix For: 1.2.10-SNAPSHOT, 2.0.3-SNAPSHOT
>
>
> Due to a potential bug in BigDecimal there is a bug, when you use BigDecimal
> with a NumberConverter.
> Like
> <tr:inputText value="#{bean.number}" ...>
>   <tr:convertNumber />
> </tr:inputText>
> For instance, when the entered value is "333.111" the actual stored value is 333.1109999999999899955582804977893829345703125
> There is a mathematic explanation for that in here:
> http://en.wikipedia.org/wiki/Floating_point#Accuracy_problems

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