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From "Jacques Le Roux (JIRA)" <j...@apache.org>
Subject [jira] Closed: (OFBIZ-4038) Rounding error in prorating returned adjustments
Date Fri, 03 Dec 2010 22:44:10 GMT

     [ https://issues.apache.org/jira/browse/OFBIZ-4038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jacques Le Roux closed OFBIZ-4038.
----------------------------------

       Resolution: Fixed
    Fix Version/s: SVN trunk
                   Release Branch 10.04
                   Release Branch 09.04
         Assignee: Jacques Le Roux

Thanks Jeremy,

Your suggested change is trunk at r1042034 ,R10.04 at r1042036, R9.04 at r1042037

It may seem obvious, but I would just have preferred that you would not have omited the setScale
part. :p

> Rounding error in prorating returned adjustments
> ------------------------------------------------
>
>                 Key: OFBIZ-4038
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-4038
>             Project: OFBiz
>          Issue Type: Bug
>    Affects Versions: Release Branch 09.04, Release 09.04, Release Branch 10.04
>            Reporter: Wickersheimer Jeremy
>            Assignee: Jacques Le Roux
>            Priority: Minor
>             Fix For: Release Branch 09.04, Release Branch 10.04, SVN trunk
>
>
> The error is in applications/order/src/org/ofbiz/order/order/OrderReturnServices.java
the getAdjustmentAmount method is prorating using this code: 
> newAmount = returnTotal.divide(originalTotal, decimals, rounding).multiply(amount).setScale(decimals,
rounding);
> it should be:
> newAmount = returnTotal.multiply(amount).divide(originalTotal, decimals, rounding);
> else by dividing first what should be for example 1/3 of the adjustment ends up being
0.33

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