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Posted to dev@mahout.apache.org by "Grant Ingersoll (JIRA)" <ji...@apache.org> on 2009/09/01 21:24:32 UTC

[jira] Resolved: (MAHOUT-159) SparseVector and DenseVector hashCode does not conform to the Java standard

     [ https://issues.apache.org/jira/browse/MAHOUT-159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Grant Ingersoll resolved MAHOUT-159.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.2

Committed revision 810184.

> SparseVector and DenseVector hashCode does not conform to the Java standard
> ---------------------------------------------------------------------------
>
>                 Key: MAHOUT-159
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-159
>             Project: Mahout
>          Issue Type: Bug
>          Components: Matrix
>    Affects Versions: 0.2
>            Reporter: Mark Desnoyer
>            Assignee: Grant Ingersoll
>            Priority: Critical
>             Fix For: 0.2
>
>         Attachments: MAHOUT-159.patch, MAHOUT-159.patch, MAHOUT-159.patch, MAHOUT-159.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The hash codes for SparseVector and DenseVector will not be equal even though equals() may return true. Also, the equals logic is inconsistent because DenseVector takes into account the name parameter but SparseVector does not.

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