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https://issues.apache.org/jira/browse/LUCENE-9645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kkewwei updated LUCENE-9645:
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Description: In BKDReader$IndexTree, `negativeDeltas` seems useless. it
will be only be used in `BKDReader.readNodeData()`, we use
`negativeDeltas[level * numIndexDims + splitDim]` to check whether the current
nod is left or right, but it can be replaced by `isLeft`. (was: In
```BKDReader$IndexTree```, `negativeDeltas` seems useless. it will be only be
used in `BKDReader.readNodeData()`, we use `negativeDeltas[level * numIndexDims
+ splitDim]` to check whether the current nod is left or right, but it can be
replaced by `isLeft`.)
> Delete useless negativeDeltas in BKDReader$IndexTree
> ----------------------------------------------------
>
> Key: LUCENE-9645
> URL: https://issues.apache.org/jira/browse/LUCENE-9645
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/other
> Affects Versions: 8.6.2
> Reporter: kkewwei
> Priority: Major
>
> In BKDReader$IndexTree, `negativeDeltas` seems useless. it will be only be
> used in `BKDReader.readNodeData()`, we use `negativeDeltas[level *
> numIndexDims + splitDim]` to check whether the current nod is left or right,
> but it can be replaced by `isLeft`.
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