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https://issues.apache.org/jira/browse/LANG-663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell closed LANG-663.
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Resolution: Fixed
svn ci -m "Adding note that this has overflow issues and pointing to
BigFraction" src/main/java/org/apache/commons/lang3/math/Fraction.java
Sending src/main/java/org/apache/commons/lang3/math/Fraction.java
Transmitting file data .
Committed revision 1059747.
> org.apache.commons.lang3.math.Fraction does not always succeed in multiplyBy
> and divideBy
> -----------------------------------------------------------------------------------------
>
> Key: LANG-663
> URL: https://issues.apache.org/jira/browse/LANG-663
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.math.*
> Affects Versions: 3.0
> Reporter: Christian Semrau
> Priority: Minor
> Fix For: 3.0
>
>
> The Fraction.multiplyBy and divideBy methods fail sometimes when the
> arguments are not reduced.
> {code:title=FunctionTest.java|borderStyle=solid}
> public void testMultiply() {
> // ...
> f1 = Fraction.getFraction(Integer.MAX_VALUE, Integer.MAX_VALUE);
> f2 = Fraction.getFraction(42, 1);
> f = f1.multiplyBy(f2);
> assertEquals(42, f.getNumerator());
> assertEquals(1, f.getDenominator());
> public void testDivide() {
> // ...
> f1 = Fraction.getFraction(Integer.MAX_VALUE, Integer.MAX_VALUE);
> f2 = Fraction.getFraction(42, 1);
> f = f1.divideBy(f2);
> assertEquals(1, f.getNumerator());
> assertEquals(42, f.getDenominator());
> {code}
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