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https://issues.apache.org/jira/browse/SPARK-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-14187:
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Affects Version/s: 2.0.0
1.2.2
1.3.1
1.4.1
1.5.2
> Incorrect use of binarysearch in SparseMatrix
> ---------------------------------------------
>
> Key: SPARK-14187
> URL: https://issues.apache.org/jira/browse/SPARK-14187
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.2.2, 1.3.1, 1.4.1, 1.5.2, 1.6.1, 2.0.0
> Reporter: Chenliang Xu
> Priority: Minor
> Fix For: 1.5.3, 1.6.2, 2.0.0
>
>
> {{SparseMatrix}} use binarySearch to find {{index}}.
> {quote}
> binarySearch returns index of the search key, if it is contained in the array
> within the specified range; otherwise, (-(insertion point) - 1).
> {quote}
> On the other hand, {{update}} method only compare the returned index with -1
> to decide whether it is found or not.
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