svn commit: r986125 - in /mahout/trunk/math/src: main/java/org/apache/mahout/math/stats/OnlineAuc.java test/java/org/apache/mahout/math/stats/OnlineAucTest.java

[tdunning]

Author: tdunning
Date: Mon Aug 16 20:26:59 2010
New Revision: 986125

URL: http://svn.apache.org/viewvc?rev=986125&view=rev
Log:
MAHOUT-228 - Hudson build failed, but I can't reproduce it.  Changed 
OnlineAucTest to inject a pre-seeded PRNG.  Should make test deterministic.

Modified:
    mahout/trunk/math/src/main/java/org/apache/mahout/math/stats/OnlineAuc.java
    
mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineAucTest.java

Modified: 
mahout/trunk/math/src/main/java/org/apache/mahout/math/stats/OnlineAuc.java
URL: 
http://svn.apache.org/viewvc/mahout/trunk/math/src/main/java/org/apache/mahout/math/stats/OnlineAuc.java?rev=986125&r1=986124&r2=986125&view=diff
==============================================================================
--- mahout/trunk/math/src/main/java/org/apache/mahout/math/stats/OnlineAuc.java 
(original)
+++ mahout/trunk/math/src/main/java/org/apache/mahout/math/stats/OnlineAuc.java 
Mon Aug 16 20:26:59 2010
@@ -97,4 +97,8 @@ public class OnlineAuc {
   public void setPolicy(ReplacementPolicy policy) {
     this.policy = policy;
   }
+
+  public void setRandom(Random random) {
+    this.random = random;
+  }
 }

Modified: 
mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineAucTest.java
URL: 
http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineAucTest.java?rev=986125&r1=986124&r2=986125&view=diff
==============================================================================
--- 
mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineAucTest.java 
(original)
+++ 
mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineAucTest.java 
Mon Aug 16 20:26:59 2010
@@ -9,15 +9,18 @@ public class OnlineAucTest {
   @Test
   public void binaryCase() {
     OnlineAuc a1 = new OnlineAuc();
+    a1.setRandom(new Random(1));
     a1.setPolicy(OnlineAuc.ReplacementPolicy.FAIR);
 
     OnlineAuc a2 = new OnlineAuc();
+    a2.setRandom(new Random(2));
     a2.setPolicy(OnlineAuc.ReplacementPolicy.FIFO);
 
     OnlineAuc a3 = new OnlineAuc();
+    a3.setRandom(new Random(3));
     a3.setPolicy(OnlineAuc.ReplacementPolicy.RANDOM);
 
-    Random gen = new Random(1);
+    Random gen = new Random(100);
     for (int i = 0; i < 10000; i++) {
       double x = gen.nextGaussian();