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/lucene-3.6.0/lucene/core/src/java/org/apache/lucene/util/
H A DFixedBitSet.java14 * See the License for the specific language governing permissions and
31 * implementing Bits and DocIdSet. Unlike {@link
33 * handle long index, and does not have fastXX/XX variants
85 * long in the backing bits array, and the result is not
94 // signed shift will keep a negative index and force an
215 public void and(DocIdSetIterator iter) throws IOException { method in class:FixedBitSet
218 and(obs.arr, obs.words);
237 public void and(FixedBitSet other) { method in class:FixedBitSet
238 and(other.bits, other.bits.length);
241 private void and(fina method in class:FixedBitSet
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H A DOpenBitSet.java14 * See the License for the specific language governing permissions and
35 * and *much* faster at calculating cardinality of sets and results of set operations.
38 * The goals of <code>OpenBitSet</code> are the fastest implementation possible, and
39 * maximum code reuse. Extra safety and encapsulation
40 * may always be built on top, but if that's built in, the cost can never be removed (and
42 * If you want a "safe", totally encapsulated (and slower and limited) BitSet
102 * with bit index 0 at the least significant bit, and bit index 63 at the most significant.
104 * the word containing it is long[index/64], and i
807 public void and(OpenBitSet other) { method in class:OpenBitSet
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