org.apache.commons.lang3.math.Fraction does not always succeed in multiplyBy
and divideBy
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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
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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