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https://issues.apache.org/jira/browse/MAHOUT-131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Ingersoll updated MAHOUT-131:
-----------------------------------
Attachment: MAHOUT-131.patch
Updated patch implements equals/hashcode for all the Vectors and puts in
various tests related to these issues. It should be the case now that
Vector.equals() acts just like List.equals(), namely that two vectors
containing the same elements are equivalent regardless of the implementation.
> Vector improvements
> -------------------
>
> Key: MAHOUT-131
> URL: https://issues.apache.org/jira/browse/MAHOUT-131
> Project: Mahout
> Issue Type: Improvement
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
> Fix For: 0.2
>
> Attachments: MAHOUT-131.patch, MAHOUT-131.patch
>
>
> Vector and it's implementations could use a few things:
> 1. DenseVector should implement equals and hashCode similar to SparseVector
> 2. The VectorView asFormatString() is not compatible with actually recreating
> any type of vector.
> 3. Add tests to VectorTest that assert that decodeFormat/asFormatString is
> able to do a round trip.
> 4. Add static AbstractVector.equivalent(Vector, Vector) that takes in two
> vectors and compares them for equality, regardless of their implementation.
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