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Posted to commits@mahout.apache.org by sr...@apache.org on 2010/03/26 21:26:34 UTC
svn commit: r928044 -
/lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java
Author: srowen
Date: Fri Mar 26 20:26:33 2010
New Revision: 928044
URL: http://svn.apache.org/viewvc?rev=928044&view=rev
Log:
MAHOUT-347: hashed indices must be nonnegative!
Modified:
lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java
Modified: lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java
URL: http://svn.apache.org/viewvc/lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java?rev=928044&r1=928043&r2=928044&view=diff
==============================================================================
--- lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java (original)
+++ lucene/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ItemIDIndexMapper.java Fri Mar 26 20:26:33 2010
@@ -45,7 +45,7 @@ public final class ItemIDIndexMapper ext
}
static int idToIndex(long itemID) {
- return (int) itemID ^ (int) (itemID >>> 32);
+ return 0x7FFFFFFF & (int) itemID ^ (int) (itemID >>> 32);
}
}
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