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Posted to commits@commons.apache.org by lu...@apache.org on 2009/04/05 16:29:03 UTC
svn commit: r762095 - in /commons/proper/math/trunk/src:
java/org/apache/commons/math/fraction/Fraction.java site/xdoc/changes.xml
test/org/apache/commons/math/fraction/FractionTest.java
Author: luc
Date: Sun Apr 5 14:29:03 2009
New Revision: 762095
URL: http://svn.apache.org/viewvc?rev=762095&view=rev
Log:
added Fraction.toString()
Jira: MATH-256
Modified:
commons/proper/math/trunk/src/java/org/apache/commons/math/fraction/Fraction.java
commons/proper/math/trunk/src/site/xdoc/changes.xml
commons/proper/math/trunk/src/test/org/apache/commons/math/fraction/FractionTest.java
Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/fraction/Fraction.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/fraction/Fraction.java?rev=762095&r1=762094&r2=762095&view=diff
==============================================================================
--- commons/proper/math/trunk/src/java/org/apache/commons/math/fraction/Fraction.java (original)
+++ commons/proper/math/trunk/src/java/org/apache/commons/math/fraction/Fraction.java Sun Apr 5 14:29:03 2009
@@ -627,4 +627,26 @@
return new Fraction(numerator, denominator);
}
+ /**
+ * <p>
+ * Returns the <code>String</code> representing this fraction, ie
+ * "num / dem" or just "num" if the denominator is one.
+ * </p>
+ *
+ * @return a string representation of the fraction.
+ * @see java.lang.Object#toString()
+ */
+ @Override
+ public String toString() {
+ String str = null;
+ if (denominator == 1) {
+ str = Integer.toString(numerator);
+ } else if (numerator == 0) {
+ str = "0";
+ } else {
+ str = numerator + " / " + denominator;
+ }
+ return str;
+ }
+
}
Modified: commons/proper/math/trunk/src/site/xdoc/changes.xml
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/site/xdoc/changes.xml?rev=762095&r1=762094&r2=762095&view=diff
==============================================================================
--- commons/proper/math/trunk/src/site/xdoc/changes.xml (original)
+++ commons/proper/math/trunk/src/site/xdoc/changes.xml Sun Apr 5 14:29:03 2009
@@ -39,6 +39,9 @@
</properties>
<body>
<release version="2.0" date="TBD" description="TBD">
+ <action dev="luc" type="add" issue="MATH-256">
+ Added Fraction.toString()
+ </action>
<action dev="luc" type="add">
Added add/subtract/multiply/divide functions with integer parameters to Fraction
</action>
Modified: commons/proper/math/trunk/src/test/org/apache/commons/math/fraction/FractionTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/org/apache/commons/math/fraction/FractionTest.java?rev=762095&r1=762094&r2=762095&view=diff
==============================================================================
--- commons/proper/math/trunk/src/test/org/apache/commons/math/fraction/FractionTest.java (original)
+++ commons/proper/math/trunk/src/test/org/apache/commons/math/fraction/FractionTest.java Sun Apr 5 14:29:03 2009
@@ -564,4 +564,10 @@
assertEquals(Fraction.getReducedFraction
(1, -1).getNumerator(), -1);
}
+
+ public void testToString() {
+ assertEquals("0", new Fraction(0, 3).toString());
+ assertEquals("3", new Fraction(6, 2).toString());
+ assertEquals("2 / 3", new Fraction(18, 27).toString());
+ }
}