[jboss-jira] [JBoss JIRA] (DROOLS-5051) Mvel type coercion and rounding behavior compatibility between mvel 2.2.8 and 2.4.3

[Toshiya Kobayashi (Jira)]

    [ https://issues.redhat.com/browse/DROOLS-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969423#comment-13969423 ] 

Toshiya Kobayashi edited comment on DROOLS-5051 at 2/11/20 11:08 PM:
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https://github.com/mvel/mvel/commit/dd59667d693a776ca46bf61f3e19293f6913ee1f

https://github.com/mvel/mvel/commit/e2f51fcb




> Mvel type coercion and rounding behavior compatibility between mvel 2.2.8 and 2.4.3
> -----------------------------------------------------------------------------------
>
>                 Key: DROOLS-5051
>                 URL: https://issues.redhat.com/browse/DROOLS-5051
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 7.33.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Toshiya Kobayashi
>            Priority: Major
>              Labels: support
>
> I have rule like as:
> =========
> rule "My Rule"
>      no-loop true
>      dialect "mvel"
>      when
>          $info : MyInfo()
>      then
>          modify ($info) {
>              setResult(15 * Math.round( new BigDecimal("49.4") ) / 100 )
>          }
> end
> =========
> If I execute this rule in BRMS 6.4.x release (mvel 2.2.8), I will get 7.35 in the response . But if I execute same rule in RHDM 7.4.+ release (mvel 2.4.3) I will 7 in the response. 



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