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Posted to dev@mahout.apache.org by "Andrew Palumbo (JIRA)" <ji...@apache.org> on 2017/06/23 20:43:00 UTC
[jira] [Updated] (MAHOUT-1963) Signs are Flipped in the ViennaCL
Sparse %*% Sparse tests
[ https://issues.apache.org/jira/browse/MAHOUT-1963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Palumbo updated MAHOUT-1963:
-----------------------------------
Fix Version/s: (was: 0.13.1)
> Signs are Flipped in the ViennaCL Sparse %*% Sparse tests
> ---------------------------------------------------------
>
> Key: MAHOUT-1963
> URL: https://issues.apache.org/jira/browse/MAHOUT-1963
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Andrew Palumbo
> Assignee: Andrew Palumbo
> Priority: Critical
> Fix For: 0.13.0
>
>
> Here aand in other places, In the ViennaCL (both modules) Unit tests, the signs are flipped when adding random data to matrices.
> {code}
> // add some sparse data with a 20% threshold
> mxA := { (_, _, v) => if (r.nextDouble() .20) r.nextDouble() else v }
> mxB := { (_, _, v) => if (r.nextDouble() < .20) r.nextDouble() else v }
> {code}
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