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https://issues.apache.org/jira/browse/MATH-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Steitz closed MATH-340.
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> BigFraction numerator constrainted by int size during multiplication
> --------------------------------------------------------------------
>
> Key: MATH-340
> URL: https://issues.apache.org/jira/browse/MATH-340
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.0
> Environment: All
> Reporter: Matt Taylor
> Fix For: 2.1
>
>
> When multiplying two BigFraction objects with numerators larger than will fit
> in an java-primitive int the result of BigFraction.ZERO is incorrectly
> returned.
> Test Case:
> BigFraction fractionA = new BigFraction(0.00131);
> BigFraction fractionB = new BigFraction(.37).reciprocal();
> BigFraction errorResult = fractionA.multiply(fractionB);
> System.out.println("Error Result: " + errorResult);
> BigFraction correctResult = new
> BigFraction(fractionA.getNumerator().multiply(fractionB.getNumerator()),
> fractionA.getDenominator().multiply(fractionB.getDenominator()));
> System.out.println("Correct Result: " + correctResult);
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