svn commit: r1336915 - /commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java

[tn]

Author: tn
Date: Thu May 10 21:53:43 2012
New Revision: 1336915

URL: http://svn.apache.org/viewvc?rev=1336915&view=rev
Log:
[MATH-718] fixed integer overflow problem identified as part of numerical 
stability problems with distributions.

Modified:
    
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java

Modified: 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java?rev=1336915&r1=1336914&r2=1336915&view=diff
==============================================================================
--- 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java
 (original)
+++ 
commons/proper/math/trunk/src/main/java/org/apache/commons/math3/distribution/PascalDistribution.java
 Thu May 10 21:53:43 2012
@@ -130,7 +130,7 @@ public class PascalDistribution extends 
             ret = 0.0;
         } else {
             ret = Beta.regularizedBeta(probabilityOfSuccess,
-                    numberOfSuccesses, x + 1);
+                    numberOfSuccesses, x + 1.0);
         }
         return ret;
     }