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Add missing Javadocs

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git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1189039 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler 2011-10-26 06:36:37 +00:00
parent 19768f6e5a
commit d20b9eba80
1 changed files with 4 additions and 1 deletions
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5
lucene/src/java/org/apache/lucene/util/FixedBitSet.java
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@ -146,7 +146,7 @@ public final class FixedBitSet extends DocIdSet implements Bits {
public int nextSetBit(int index) { public int nextSetBit(int index) {
assert index >= 0 && index < numBits; assert index >= 0 && index < numBits;
int i = index >> 6; int i = index >> 6;
int subIndex = index & 0x3f; // index within the word final int subIndex = index & 0x3f; // index within the word
long word = bits[i] >> subIndex; // skip all the bits to the right of index long word = bits[i] >> subIndex; // skip all the bits to the right of index
if (word!=0) { if (word!=0) {
@ -163,6 +163,9 @@ public final class FixedBitSet extends DocIdSet implements Bits {
return -1; return -1;
} }
/** Returns the index of the last set bit before or on the index specified.
* -1 is returned if there are no more set bits.
*/
public int prevSetBit(int index) { public int prevSetBit(int index) {
assert index >= 0 && index < numBits: "index=" + index + " numBits=" + numBits; assert index >= 0 && index < numBits: "index=" + index + " numBits=" + numBits;
int i = index >> 6; int i = index >> 6;