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https://issues.apache.org/jira/browse/SPARK-10414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley closed SPARK-10414.
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Resolution: Duplicate
This looks like a duplicate of an existing JIRA and PR. [~vinodkc], could you
please close this and help review the existing PR? Thanks!
> DenseMatrix gives different hashcode even though equals returns true
> --------------------------------------------------------------------
>
> Key: SPARK-10414
> URL: https://issues.apache.org/jira/browse/SPARK-10414
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Reporter: Vinod KC
> Priority: Minor
>
> hashcode implementation in DenseMatrix gives different result for same input
> val dm = Matrices.dense(2, 2, Array(0.0, 1.0, 2.0, 3.0))
> val dm1 = Matrices.dense(2, 2, Array(0.0, 1.0, 2.0, 3.0))
> assert(dm1 === dm) // passed
> assert(dm1.hashCode === dm.hashCode) // Failed
> This violates the hashCode/equals contract.
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