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Posted to issues@commons.apache.org by "Thundre (Updated) (JIRA)" <ji...@apache.org> on 2012/02/12 17:12:59 UTC
[jira] [Updated] (MATH-744) BigFraction.doubleValue() returns
Double.NaN for large numerators or denominators
[ https://issues.apache.org/jira/browse/MATH-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thundre updated MATH-744:
-------------------------
Attachment: site.patch
Patch file for the fraction package.
> BigFraction.doubleValue() returns Double.NaN for large numerators or denominators
> ---------------------------------------------------------------------------------
>
> Key: MATH-744
> URL: https://issues.apache.org/jira/browse/MATH-744
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Thundre
> Attachments: site.patch
>
>
> The current implementation of doubleValue() divides numerator.doubleValue() / denominator.doubleValue(). BigInteger.doubleValue() fails for any number greater than Double.MAX_VALUE. So if the user has 308-digit numerator or denominator, the resulting quotient fails, even in cases where the result would be well inside Double's range.
> I have a patch to fix it, if I can figure out how to attach it here I will.
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