svn commit: r1053472 - in /commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution: CauchyDistributionTest.java FDistributionTest.java TDistributionTest.java

[mikl]

Author: mikl
Date: Tue Dec 28 22:19:34 2010
New Revision: 1053472

URL: http://svn.apache.org/viewvc?rev=1053472&view=rev
Log:
Purified tests introduced in MATH-385 such that NaNs and infinites are handled 
properly

Modified:
    
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/CauchyDistributionTest.java
    
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/FDistributionTest.java
    
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/TDistributionTest.java

Modified: 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/CauchyDistributionTest.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/CauchyDistributionTest.java?rev=1053472&r1=1053471&r2=1053472&view=diff
==============================================================================
--- 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/CauchyDistributionTest.java
 (original)
+++ 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/CauchyDistributionTest.java
 Tue Dec 28 22:19:34 2010
@@ -109,15 +109,14 @@ public class CauchyDistributionTest exte
     }
 
     public void testMomonts() {
-        final double tol = 1e-9;
         CauchyDistribution dist;
         
-        dist = new CauchyDistributionImpl(10.2, 0.15);
-        assertEquals(dist.getNumericalMean(), Double.NaN, tol);
-        assertEquals(dist.getNumericalVariance(), Double.NaN, tol); 
+        dist = new CauchyDistributionImpl(10.2, 0.15);        
+        assertTrue(Double.isNaN(dist.getNumericalMean()));
+        assertTrue(Double.isNaN(dist.getNumericalVariance()));
         
         dist = new CauchyDistributionImpl(23.12, 2.12);
-        assertEquals(dist.getNumericalMean(), Double.NaN, tol);
-        assertEquals(dist.getNumericalVariance(), Double.NaN, tol);
+        assertTrue(Double.isNaN(dist.getNumericalMean()));
+        assertTrue(Double.isNaN(dist.getNumericalVariance()));
     }
 }

Modified: 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/FDistributionTest.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/FDistributionTest.java?rev=1053472&r1=1053471&r2=1053472&view=diff
==============================================================================
--- 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/FDistributionTest.java
 (original)
+++ 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/FDistributionTest.java
 Tue Dec 28 22:19:34 2010
@@ -130,12 +130,12 @@ public class FDistributionTest extends C
         FDistribution dist;
         
         dist = new FDistributionImpl(1, 2);
-        assertEquals(dist.getNumericalMean(), Double.NaN, tol);
-        assertEquals(dist.getNumericalVariance(), Double.NaN, tol); 
+        assertTrue(Double.isNaN(dist.getNumericalMean()));
+        assertTrue(Double.isNaN(dist.getNumericalVariance()));
         
         dist = new FDistributionImpl(1, 3);
         assertEquals(dist.getNumericalMean(), 3d / (3d - 2d), tol);
-        assertEquals(dist.getNumericalVariance(), Double.NaN, tol);
+        assertTrue(Double.isNaN(dist.getNumericalVariance()));
         
         dist = new FDistributionImpl(1, 5);
         assertEquals(dist.getNumericalMean(), 5d / (5d - 2d), tol);

Modified: 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/TDistributionTest.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/TDistributionTest.java?rev=1053472&r1=1053471&r2=1053472&view=diff
==============================================================================
--- 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/TDistributionTest.java
 (original)
+++ 
commons/proper/math/trunk/src/test/java/org/apache/commons/math/distribution/TDistributionTest.java
 Tue Dec 28 22:19:34 2010
@@ -124,12 +124,12 @@ public class TDistributionTest extends C
         TDistribution dist;
         
         dist = new TDistributionImpl(1);
-        assertEquals(dist.getNumericalMean(), Double.NaN, tol);
-        assertEquals(dist.getNumericalVariance(), Double.NaN, tol); 
+        assertTrue(Double.isNaN(dist.getNumericalMean()));
+        assertTrue(Double.isNaN(dist.getNumericalVariance()));
         
         dist = new TDistributionImpl(1.5);
         assertEquals(dist.getNumericalMean(), 0, tol);
-        assertEquals(dist.getNumericalVariance(), Double.POSITIVE_INFINITY, 
tol);
+        assertTrue(Double.isInfinite(dist.getNumericalVariance()));
         
         dist = new TDistributionImpl(5);
         assertEquals(dist.getNumericalMean(), 0, tol);