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From l..@apache.org
Subject svn commit: r651230 - in /commons/proper/math/branches/MATH_2_0/src: java/org/apache/commons/math/stat/descriptive/ java/org/apache/commons/math/stat/inference/ test/org/apache/commons/math/stat/descriptive/
Date Thu, 24 Apr 2008 12:04:36 GMT
Author: luc
Date: Thu Apr 24 05:04:33 2008
New Revision: 651230

URL: http://svn.apache.org/viewvc?rev=651230&view=rev
Log:
removed deprecated factory methods and classes
they were replaced by setter injection as of 1.2

Removed:
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TestFactory.java
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TestFactoryImpl.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsAbstractTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsImplTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsAbstractTest.java
Modified:
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
    commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TTestImpl.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsImplTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java
    commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedSummaryStatisticsTest.java

Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
Thu Apr 24 05:04:33 2008
@@ -20,7 +20,6 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 
-import org.apache.commons.discovery.tools.DiscoverClass;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Kurtosis;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
@@ -56,8 +55,8 @@
 public class DescriptiveStatistics implements StatisticalSummary, Serializable {
     
     /** Serialization UID */
-    private static final long serialVersionUID = -2734185686570407433L;
-    
+    private static final long serialVersionUID = 4133067267405273064L;
+
     /** hold the window size **/
     protected int windowSize = INFINITE_WINDOW;
     
@@ -110,39 +109,6 @@
     public DescriptiveStatistics(int window) {
         super();
         setWindowSize(window);
-    }
-    
-    /**
-     * Create an instance of a <code>DescriptiveStatistics</code>
-     * @param cls the type of <code>DescriptiveStatistics</code> object to
-     *        create. 
-     * @return a new instance. 
-     * @throws InstantiationException is thrown if the object can not be
-     *            created.
-     * @throws IllegalAccessException is thrown if the type's default
-     *            constructor is not accessible.
-     * @deprecated to be removed in commons-math 2.0
-     */
-    public static DescriptiveStatistics newInstance(Class cls) throws InstantiationException,
IllegalAccessException {
-        return (DescriptiveStatistics)cls.newInstance();
-    }
-    
-    /**
-     * Create an instance of a <code>DescriptiveStatistics</code>
-     * @return a new DescriptiveStatistics instance. 
-     * @deprecated to be removed in commons-math 2.0
-     */
-    public static DescriptiveStatistics newInstance() {
-        DescriptiveStatistics factory = null;
-        try {
-            DiscoverClass dc = new DiscoverClass();
-            factory = (DescriptiveStatistics) dc.newInstance(
-                DescriptiveStatistics.class,
-                "org.apache.commons.math.stat.descriptive.DescriptiveStatisticsImpl");
-        } catch(Throwable t) {
-            return new DescriptiveStatisticsImpl();
-        }
-        return factory;
     }
     
     /**

Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
Thu Apr 24 05:04:33 2008
@@ -15,7 +15,6 @@
 
 import java.io.Serializable;
 
-import org.apache.commons.discovery.tools.DiscoverClass;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
 import org.apache.commons.math.stat.descriptive.moment.SecondMoment;
@@ -55,37 +54,7 @@
 public class SummaryStatistics implements StatisticalSummary, Serializable {
 
     /** Serialization UID */
-    private static final long serialVersionUID = -3346512372447011854L;
-
-    /**
-     * Create an instance of a <code>SummaryStatistics</code>
-     * @param cls the type of <code>SummaryStatistics</code> object to create.
-     * @return a new instance.
-     * @deprecated to be removed in commons-math 2.0
-     * @throws InstantiationException is thrown if the object can not be
-     *         created.
-     * @throws IllegalAccessException is thrown if the type's default
-     *         constructor is not accessible.
-     */
-    public static SummaryStatistics newInstance(Class cls) throws InstantiationException,
IllegalAccessException {
-        return (SummaryStatistics)cls.newInstance();
-    }
-
-    /**
-     * Create an instance of a <code>SummaryStatistics</code>
-     * @return a new SummaryStatistics instance.
-     * @deprecated to be removed in commons-math 2.0
-     */
-    public static SummaryStatistics newInstance() {
-        SummaryStatistics instance = null;
-        try {
-            DiscoverClass dc = new DiscoverClass();
-            instance = (SummaryStatistics)dc.newInstance(SummaryStatistics.class, "org.apache.commons.math.stat.descriptive.SummaryStatisticsImpl");
-        } catch (Throwable t) {
-            return new SummaryStatisticsImpl();
-        }
-        return instance;
-    }
+    private static final long serialVersionUID = -2021321786743555871L;
 
     /**
      * Construct a SummaryStatistics instance

Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
Thu Apr 24 05:04:33 2008
@@ -19,7 +19,6 @@
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.distribution.ChiSquaredDistribution;
 import org.apache.commons.math.distribution.ChiSquaredDistributionImpl;
-import org.apache.commons.math.distribution.DistributionFactory;
 
 /**
  * Implements Chi-Square test statistics defined in the
@@ -327,16 +326,6 @@
             throw new IllegalArgumentException("All entries in input 2-way table must be
non-negative");
         }
         
-    }
-    
-    //---------------------  Protected methods ---------------------------------
-    /**
-     * Gets a DistributionFactory to use in creating ChiSquaredDistribution instances.
-     * @deprecated inject ChiSquaredDistribution instances directly instead of
-     *             using a factory.
-     */
-    protected DistributionFactory getDistributionFactory() {
-        return DistributionFactory.newInstance();
     }
     
     //---------------------  Private array methods -- should find a utility home for these

Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TTestImpl.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TTestImpl.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TTestImpl.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/stat/inference/TTestImpl.java
Thu Apr 24 05:04:33 2008
@@ -17,7 +17,6 @@
 package org.apache.commons.math.stat.inference;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.distribution.DistributionFactory;
 import org.apache.commons.math.distribution.TDistribution;
 import org.apache.commons.math.distribution.TDistributionImpl;
 import org.apache.commons.math.stat.StatUtils;
@@ -919,15 +918,6 @@
     
     //----------------------------------------------- Protected methods 
 
-    /**
-     * Gets a DistributionFactory to use in creating TDistribution instances.
-     * @return a distribution factory.
-     * @deprecated inject TDistribution directly instead of using a factory.
-     */
-    protected DistributionFactory getDistributionFactory() {
-        return DistributionFactory.newInstance();
-    }
-    
     /**
      * Computes approximate degrees of freedom for 2-sample t-test.
      * 

Modified: commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsTest.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsTest.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/DescriptiveStatisticsTest.java
Thu Apr 24 05:04:33 2008
@@ -14,19 +14,18 @@
 package org.apache.commons.math.stat.descriptive;
 
 import junit.framework.Test;
+import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
 import org.apache.commons.math.stat.descriptive.rank.Percentile;
 
 /**
  * Test cases for the DescriptiveStatistics class.
- * When DescriptiveStatisticsImpl is removed, this class should replace
- * DescriptiveStatisticsAbstractTest
  * 
  * @version $Revision: 592121 $ $Date: 2007-08-16 15:36:33 -0500 (Thu, 16 Aug
  *          2007) $
  */
-public final class DescriptiveStatisticsTest extends DescriptiveStatisticsAbstractTest {
+public class DescriptiveStatisticsTest extends TestCase {
 
     public DescriptiveStatisticsTest(String name) {
         super(name);

Modified: commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsImplTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsImplTest.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsImplTest.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsImplTest.java
Thu Apr 24 05:04:33 2008
@@ -25,7 +25,7 @@
  * @version $Revision$ $Date$
  */
 
-public final class SummaryStatisticsImplTest extends SummaryStatisticsAbstractTest {
+public final class SummaryStatisticsImplTest extends SummaryStatisticsTest {
 
     public SummaryStatisticsImplTest(String name) {
         super(name);

Modified: commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsTest.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsTest.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SummaryStatisticsTest.java
Thu Apr 24 05:04:33 2008
@@ -18,34 +18,225 @@
 
 
 import junit.framework.Test;
+import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
+import org.apache.commons.math.TestUtils;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
 import org.apache.commons.math.stat.descriptive.summary.Sum;
 /**
  * Test cases for the {@link SummaryStatistics} class.
- * When SummaryStatisticsImpl is removed in math 2.0, test cases from
- * SummaryStatisticsImplTest should be merged into this class.
  *
  * @version $Revision: 566833 $ $Date: 2007-08-16 13:36:33 -0700 (Thu, 16 Aug 2007) $
  */
 
-public final class SummaryStatisticsTest extends SummaryStatisticsAbstractTest {
+public class SummaryStatisticsTest extends TestCase {
+
+    private double one = 1;
+    private float twoF = 2;
+    private long twoL = 2;
+    private int three = 3;
+    private double mean = 2;
+    private double sumSq = 18;
+    private double sum = 8;
+    private double var = 0.666666666666666666667;
+    private double std = Math.sqrt(var);
+    private double n = 4;
+    private double min = 1;
+    private double max = 3;
+    private double tolerance = 10E-15;
 
-    public SummaryStatisticsTest(String name) {
-        super(name);
-    }
-    
     public static Test suite() {
         TestSuite suite = new TestSuite(SummaryStatisticsTest.class);
         suite.setName("SummaryStatistics tests");
         return suite;
     }
 
+    public SummaryStatisticsTest(String name) {
+        super(name);
+    }
+    
     protected SummaryStatistics createSummaryStatistics() {
         return new SummaryStatistics();
     }
-    
+
+    /** test stats */
+    public void testStats() {
+        SummaryStatistics u = createSummaryStatistics();
+        assertEquals("total count",0,u.getN(),tolerance);
+        u.addValue(one);
+        u.addValue(twoF);
+        u.addValue(twoL);
+        u.addValue(three);
+        assertEquals("N",n,u.getN(),tolerance);
+        assertEquals("sum",sum,u.getSum(),tolerance);
+        assertEquals("sumsq",sumSq,u.getSumsq(),tolerance);
+        assertEquals("var",var,u.getVariance(),tolerance);
+        assertEquals("std",std,u.getStandardDeviation(),tolerance);
+        assertEquals("mean",mean,u.getMean(),tolerance);
+        assertEquals("min",min,u.getMin(),tolerance);
+        assertEquals("max",max,u.getMax(),tolerance);
+        u.clear();
+        assertEquals("total count",0,u.getN(),tolerance);    
+    }     
+
+    public void testN0andN1Conditions() throws Exception {
+        SummaryStatistics u = createSummaryStatistics();
+        assertTrue("Mean of n = 0 set should be NaN", 
+                Double.isNaN( u.getMean() ) );
+        assertTrue("Standard Deviation of n = 0 set should be NaN", 
+                Double.isNaN( u.getStandardDeviation() ) );
+        assertTrue("Variance of n = 0 set should be NaN", 
+                Double.isNaN(u.getVariance() ) );
+
+        /* n=1 */
+        u.addValue(one);
+        assertTrue("mean should be one (n = 1)", 
+                u.getMean() == one);
+        assertTrue("geometric should be one (n = 1) instead it is " + u.getGeometricMean(),

+                u.getGeometricMean() == one);
+        assertTrue("Std should be zero (n = 1)", 
+                u.getStandardDeviation() == 0.0);
+        assertTrue("variance should be zero (n = 1)", 
+                u.getVariance() == 0.0);
+
+        /* n=2 */               
+        u.addValue(twoF);
+        assertTrue("Std should not be zero (n = 2)", 
+                u.getStandardDeviation() != 0.0);
+        assertTrue("variance should not be zero (n = 2)", 
+                u.getVariance() != 0.0);
+
+    }
+
+    public void testProductAndGeometricMean() throws Exception {
+        SummaryStatistics u = createSummaryStatistics();
+        u.addValue( 1.0 );
+        u.addValue( 2.0 );
+        u.addValue( 3.0 );
+        u.addValue( 4.0 );
+
+        assertEquals( "Geometric mean not expected", 2.213364, 
+                u.getGeometricMean(), 0.00001 );
+    }
+
+    public void testNaNContracts() {
+        SummaryStatistics u = createSummaryStatistics();
+        assertTrue("mean not NaN",Double.isNaN(u.getMean())); 
+        assertTrue("min not NaN",Double.isNaN(u.getMin())); 
+        assertTrue("std dev not NaN",Double.isNaN(u.getStandardDeviation())); 
+        assertTrue("var not NaN",Double.isNaN(u.getVariance())); 
+        assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));
+
+        u.addValue(1.0);
+
+        assertEquals( "mean not expected", 1.0, 
+                u.getMean(), Double.MIN_VALUE);
+        assertEquals( "variance not expected", 0.0, 
+                u.getVariance(), Double.MIN_VALUE);
+        assertEquals( "geometric mean not expected", 1.0, 
+                u.getGeometricMean(), Double.MIN_VALUE);
+
+        u.addValue(-1.0);
+
+        assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));
+
+        u.addValue(0.0);
+
+        assertTrue("geom mean not NaN",Double.isNaN(u.getGeometricMean()));
+
+        //FiXME: test all other NaN contract specs
+    }
+
+    public void testGetSummary() {
+        SummaryStatistics u = createSummaryStatistics();
+        StatisticalSummary summary = u.getSummary();
+        verifySummary(u, summary);
+        u.addValue(1d);
+        summary = u.getSummary();
+        verifySummary(u, summary);
+        u.addValue(2d);
+        summary = u.getSummary();
+        verifySummary(u, summary);
+        u.addValue(2d);
+        summary = u.getSummary();
+        verifySummary(u, summary);     
+    }
+
+    public void testSerialization() {
+        SummaryStatistics u = createSummaryStatistics();
+        // Empty test
+        TestUtils.checkSerializedEquality(u);
+        SummaryStatistics s = (SummaryStatistics) TestUtils.serializeAndRecover(u);
+        StatisticalSummary summary = s.getSummary();
+        verifySummary(u, summary);
+
+        // Add some data
+        u.addValue(2d);
+        u.addValue(1d);
+        u.addValue(3d);
+        u.addValue(4d);
+        u.addValue(5d);
+
+        // Test again
+        TestUtils.checkSerializedEquality(u);
+        s = (SummaryStatistics) TestUtils.serializeAndRecover(u);
+        summary = s.getSummary();
+        verifySummary(u, summary);
+
+    }
+
+    public void testEqualsAndHashCode() {
+        SummaryStatistics u = createSummaryStatistics();
+        SummaryStatistics t = null;
+        int emptyHash = u.hashCode();
+        assertTrue("reflexive", u.equals(u));
+        assertFalse("non-null compared to null", u.equals(t));
+        assertFalse("wrong type", u.equals(new Double(0)));
+        t = createSummaryStatistics();
+        assertTrue("empty instances should be equal", t.equals(u));
+        assertTrue("empty instances should be equal", u.equals(t));
+        assertEquals("empty hash code", emptyHash, t.hashCode());
+
+        // Add some data to u
+        u.addValue(2d);
+        u.addValue(1d);
+        u.addValue(3d);
+        u.addValue(4d);
+        assertFalse("different n's should make instances not equal", t.equals(u));
+        assertFalse("different n's should make instances not equal", u.equals(t));
+        assertTrue("different n's should make hashcodes different", 
+                u.hashCode() != t.hashCode());
+
+        //Add data in same order to t
+        t.addValue(2d);
+        t.addValue(1d);
+        t.addValue(3d);
+        t.addValue(4d);
+        assertTrue("summaries based on same data should be equal", t.equals(u));
+        assertTrue("summaries based on same data should be equal", u.equals(t));
+        assertEquals("summaries based on same data should have same hashcodes", 
+                u.hashCode(), t.hashCode());   
+
+        // Clear and make sure summaries are indistinguishable from empty summary
+        u.clear();
+        t.clear();
+        assertTrue("empty instances should be equal", t.equals(u));
+        assertTrue("empty instances should be equal", u.equals(t));
+        assertEquals("empty hash code", emptyHash, t.hashCode());
+        assertEquals("empty hash code", emptyHash, u.hashCode());
+    }
+
+    private void verifySummary(SummaryStatistics u, StatisticalSummary s) {
+        assertEquals("N",s.getN(),u.getN());
+        TestUtils.assertEquals("sum",s.getSum(),u.getSum(),tolerance);
+        TestUtils.assertEquals("var",s.getVariance(),u.getVariance(),tolerance);
+        TestUtils.assertEquals("std",s.getStandardDeviation(),u.getStandardDeviation(),tolerance);
+        TestUtils.assertEquals("mean",s.getMean(),u.getMean(),tolerance);
+        TestUtils.assertEquals("min",s.getMin(),u.getMin(),tolerance);
+        TestUtils.assertEquals("max",s.getMax(),u.getMax(),tolerance);   
+    }
+
     public void testSetterInjection() throws Exception {
         SummaryStatistics u = createSummaryStatistics();
         u.setMeanImpl(new Sum());

Modified: commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java
Thu Apr 24 05:04:33 2008
@@ -21,7 +21,7 @@
  * @version $Revision$ $Date: 2007-08-16 15:36:33 -0500 (Thu, 16 Aug
  *          2007) $
  */
-public final class SynchronizedDescriptiveStatisticsTest extends DescriptiveStatisticsAbstractTest
{
+public final class SynchronizedDescriptiveStatisticsTest extends DescriptiveStatisticsTest
{
 
     public SynchronizedDescriptiveStatisticsTest(String name) {
         super(name);

Modified: commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedSummaryStatisticsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedSummaryStatisticsTest.java?rev=651230&r1=651229&r2=651230&view=diff
==============================================================================
--- commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedSummaryStatisticsTest.java
(original)
+++ commons/proper/math/branches/MATH_2_0/src/test/org/apache/commons/math/stat/descriptive/SynchronizedSummaryStatisticsTest.java
Thu Apr 24 05:04:33 2008
@@ -21,7 +21,7 @@
  * @version $Revision: 592121 $ $Date: 2007-08-16 15:36:33 -0500 (Thu, 16 Aug
  *          2007) $
  */
-public final class SynchronizedSummaryStatisticsTest extends SummaryStatisticsAbstractTest
{
+public final class SynchronizedSummaryStatisticsTest extends SummaryStatisticsTest {
 
     public SynchronizedSummaryStatisticsTest(String name) {
         super(name);



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