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https://issues.apache.org/jira/browse/SYSTEMML-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-2058.
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Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.1
> Incorrect results on sparse-dense, sparse-unsafe unary operations
> -----------------------------------------------------------------
>
> Key: SYSTEMML-2058
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2058
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Major
> Fix For: SystemML 1.1
>
>
> The generalization of NOT to matrices revealed a hidden issue of incorrect
> results for sparse-dense unary operations. This happens in case of
> sparse-unsafe operations that produce a zero for each existing non-zero value
> because this zeros are rejected by the used append functionality.
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