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fix OpenBitSet.hashCode rotate 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@690302 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2008-08-29 15:33:44 +00:00
parent 4661a1b02b
commit 0b9512aa23
1 changed files with 1 additions and 1 deletions
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2
src/java/org/apache/lucene/util/OpenBitSet.java
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@ -763,7 +763,7 @@ public class OpenBitSet extends DocIdSet implements Cloneable, Serializable {
long h = 0x98761234; // something non-zero for length==0 long h = 0x98761234; // something non-zero for length==0
for (int i = bits.length; --i>=0;) { for (int i = bits.length; --i>=0;) {
h ^= bits[i]; h ^= bits[i];
h = (h << 1) | (h >>> 31); // rotate left h = (h << 1) | (h >>> 63); // rotate left
} }
return (int)((h>>32) ^ h); // fold leftmost bits into right return (int)((h>>32) ^ h); // fold leftmost bits into right
} }