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https://issues.apache.org/jira/browse/MATH-1029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Neidhart updated MATH-1029:
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Priority: Minor (was: Major)
> Creating BigFraction objects is not consistent for negative/positive values
> ---------------------------------------------------------------------------
>
> Key: MATH-1029
> URL: https://issues.apache.org/jira/browse/MATH-1029
> Project: Commons Math
> Issue Type: Bug
> Reporter: Thomas Neidhart
> Priority: Minor
>
> Creating a BigFraction object for large integer values will return different
> results whether the argument is positive or negative:
> {noformat}
> BigFraction f1 = new BigFraction(-1e10, 1000); -> will return a fraction
> with a numerator of -1e10 and denominator of 1
> BigFraction f2 = new BigFraction(1e10, 1000); -> will throw a
> FractionConversionException
> {noformat}
> the problem is in the check for overflow, it is not done on the absolute
> value of the argument, also it should be done only after the check if the
> argument is actually an integer.
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