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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HAMA-153) Need some condition-check before matrix algebra
Date Fri, 20 Feb 2009 08:39:01 GMT

    [ https://issues.apache.org/jira/browse/HAMA-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675283#action_12675283
] 

Hudson commented on HAMA-153:
-----------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12400400/HAMA-153_v04.patch
against trunk revision 744798.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 3 new or modified tests.

    patch -1.  The patch command could not apply the patch.

Console output: http://hudson.zones.apache.org/hudson/job/Hama-Patch/156/console

This message is automatically generated.

> Need some condition-check before matrix algebra
> -----------------------------------------------
>
>                 Key: HAMA-153
>                 URL: https://issues.apache.org/jira/browse/HAMA-153
>             Project: Hama
>          Issue Type: Bug
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Samuel Guo
>            Priority: Minor
>             Fix For: 0.1.0
>
>         Attachments: HAMA-153.patch, HAMA-153_v02.patch, HAMA-153_v03.patch, HAMA-153_v04.patch
>
>
> some conditions will be checked before we construct the result matrix and compose the
matrix algebra map/reduce job.
> for examples,
> A + B, we need check that A.rows = B.rows & A.columns = B.columns
> A * B, we need check that A.columns = B.rows.

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