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[LANG-380] 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@599500 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Matthew Jason Benson 2007-11-29 16:25:54 +00:00
parent dab1bdfc0f
commit 673385b43d
1 changed files with 3 additions and 0 deletions
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3
src/java/org/apache/commons/lang/math/Fraction.java
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@ -463,6 +463,9 @@ public final class Fraction extends Number implements Comparable {
* @return a new reduced fraction instance, or this if no simplification possible * @return a new reduced fraction instance, or this if no simplification possible
*/ */
public Fraction reduce() { public Fraction reduce() {
if (numerator == 0) {
return equals(ZERO) ? this : ZERO;
}
int gcd = greatestCommonDivisor(Math.abs(numerator), denominator); int gcd = greatestCommonDivisor(Math.abs(numerator), denominator);
if (gcd == 1) { if (gcd == 1) {
return this; return this;