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https://issues.apache.org/jira/browse/MAHOUT-1116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-1116:
------------------------------
Resolution: Fixed
Fix Version/s: 0.8
Assignee: Sean Owen
Status: Resolved (was: Patch Available)
I committed my patch. I introduced the same constant (though it needs to be
1e-8 not 10e-8). I don't think can add just equals() to this class and not
hashCode(). Moving out compareTo() restores it to at least a consistent state.
> WeightedVectors do not implement equals()
> -----------------------------------------
>
> Key: MAHOUT-1116
> URL: https://issues.apache.org/jira/browse/MAHOUT-1116
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Affects Versions: 1.0
> Reporter: Dan Filimon
> Assignee: Sean Owen
> Priority: Minor
> Labels: newbie
> Fix For: 0.8
>
> Attachments: MAHOUT-1116.patch, WeightedVector_MAHOUT_1116.patch,
> WeightedVector_MAHOUT_1116.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> WeightedVectors [1] implement compareTo but not equals so in cases where just
> the weights or the indices differ, despire compareTo returning 0, equals
> returns false.
> [1]
> https://github.com/apache/mahout/blob/trunk/math/src/main/java/org/apache/mahout/math/WeightedVector.java
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