[jira] Updated: (MAHOUT-75) asFormatString tests fail

["Karl Wettin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-75?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Wettin updated MAHOUT-75:
------------------------------

    Attachment: MAHOUT-75.txt

This patch sorts the features of a SparseVector and SparseMatrix by their column index in an intermediate array before appending them to the output.

Possible objections:

It might be better if the canopy tests assered values in an alternative way, and that the sorting of the features by column index was removed and the test of asFormatString parsed the data and made sure all values is in there but in any order.

But then, asFormattedString is probably not something primary for speed and RAM consumption in the first place.

I'll commit any day now, pending comments.

> asFormatString tests fail
> -------------------------
>
>                 Key: MAHOUT-75
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-75
>             Project: Mahout
>          Issue Type: Bug
>          Components: Matrix
>            Reporter: Karl Wettin
>            Assignee: Karl Wettin
>            Priority: Critical
>             Fix For: 0.1
>
>         Attachments: MAHOUT-75.txt
>
>
> See http://www.nabble.com/asFormatString-tests-fail-tc18878046.html
> This also affects certain Canopy tests.

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