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http://jira.codehaus.org/browse/DISPL-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=156422#action_156422
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Zach Legein commented on DISPL-576:
-----------------------------------
Note: the method is in HeaderCell
> Column totals do not display properly with super small amounts.
> ---------------------------------------------------------------
>
> Key: DISPL-576
> URL: http://jira.codehaus.org/browse/DISPL-576
> Project: DisplayTag
> Issue Type: Bug
> Components: Tag Library
> Affects Versions: 1.1.1
> Reporter: Zach Legein
>
> If you are using a BigDecimal for column values and they are really small
> then you get display issues when totaling. The problem is when trying to add
> each column value to the total. if the value is a BigDecimal and you add that
> to a double and the amounts are very small, then you will have a display
> issue due to decimal precision.
> private void addToTotal(Object value)
> {
> if (value != null && value instanceof Number)
> {
> this.total = this.total + ((Number) value).doubleValue();
> }
> }
> I think the total variable needs to be changed to a BigDecimal to handle
> these cases.
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