PR: http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23453

Submitted by:	Brent Warden
Reviewed by:	Mark Diggory


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141003 13f79535-47bb-0310-9956-ffa450edef68

Author: mdiggory

src/java/org/apache/commons/math/stat/univariate/rank/Percentile.java

@@ -57,7 +57,7 @@
 import org.apache.commons.math.stat.univariate.AbstractUnivariateStatistic;
 
 /**
- * @version $Revision: 1.6 $ $Date: 2003/10/13 08:10:58 $
+ * @version $Revision: 1.7 $ $Date: 2003/10/16 15:15:04 $
  */
 public class Percentile extends AbstractUnivariateStatistic {
 
@@ -145,7 +145,7 @@ public double evaluate(
         if (pos < 1) {
             return sorted[0];
         }
-        if (pos > n) {
+        if (pos >= n) {
             return sorted[length - 1];
         }
         double lower = sorted[intPos - 1];

src/test/org/apache/commons/math/stat/univariate/rank/PercentileTest.java

@@ -61,7 +61,7 @@
 
 /**
  * Test cases for the {@link UnivariateStatistic} class.
- * @version $Revision: 1.4 $ $Date: 2003/10/13 08:08:39 $
+ * @version $Revision: 1.5 $ $Date: 2003/10/16 15:15:04 $
  */
 public class PercentileTest extends UnivariateStatisticAbstractTest{
 
@@ -99,4 +99,9 @@ public double expectedValue() {
         return 20.82;
     }
 
+    public void testHighPercentile(){
+        double[] d = new double[]{1, 2, 3};
+        Percentile p = new Percentile(75);
+        assertEquals(3.0, p.evaluate(d), 1.0e-5);
+    }
 }