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From "Mike Bria (JIRA)" <>
Subject [jira] [Commented] (MAHOUT-1005) Nuke Colt math functions that remain untested - The Matrix edition
Date Fri, 04 May 2012 20:34:50 GMT


Mike Bria commented on MAHOUT-1005:

Hi team,

I don't mean to pester, but is there any progress on fixing this one?

In the meantime - can you advise me on how I can get a clean build with this source?  Today
is my very first attempt at dl'ing/building/using Mahout (thanks a million in advance for
your work!), and I'd like to see at least one build locally complete (even if this test is

Should I ignore the test in my source for now?  Or maybe grab a previous tag from svn (if
so, which one?)?

Thanks very much,

ps// I also posted a note about this to the mailing list earlier today.
pps/ is this kinda comment bad practice or frowned upon here?
> Nuke Colt math functions that remain untested - The Matrix edition
> ------------------------------------------------------------------
>                 Key: MAHOUT-1005
>                 URL:
>             Project: Mahout
>          Issue Type: Bug
>          Components: Math
>    Affects Versions: 0.5, 0.6
>            Reporter: Ted Dunning
>            Assignee: Ted Dunning
>             Fix For: 0.7
>         Attachments: MAHOUT-1005.patch
> We are down to very few references to Colt's matrix capabilities.
> I have implemented a new eigen-solver (with tests) and updated the Lanczos code to use
it.  I also have nuked all of the DoubleMatrix*d and related classes and consolidated several

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