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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MATH-307) BigReal/Fieldelement divide without setting a proper scale -> exception: no exact representable decimal result
Date Sun, 27 Dec 2009 20:06:29 GMT

    [ https://issues.apache.org/jira/browse/MATH-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794725#action_12794725
] 

Luc Maisonobe commented on MATH-307:
------------------------------------

I have added rounding mode and scale fields in BigDecimal in subversion tree as of r894107.
Could you please check if this solves the issue for you ?

> BigReal/Fieldelement divide without setting a proper scale -> exception: no exact
representable decimal result
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: MATH-307
>                 URL: https://issues.apache.org/jira/browse/MATH-307
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.0
>         Environment: independent
>            Reporter: Joan Schipper
>             Fix For: 2.1
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> BigReal implements the methode divide of Fieldelement. The problem is that there is no
scale defined for the BigDecimal so the class will throw an error when the outcome is not
a representable decimal result. 
> (Exception: no exact representable decimal result)
> The workaround for me was to copy the BigReal and set the scale and roundingMode the
same as version 1.2.
> Maybe is it possible to set the scale in FieldMatrix and implements it also a divide(BigReal
b, int scale, int roundMode) ?? 

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