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https://issues.apache.org/jira/browse/ARROW-12861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Kietzman resolved ARROW-12861.
----------------------------------
Resolution: Fixed
Issue resolved by pull request 10395
[https://github.com/apache/arrow/pull/10395]
> [C++][Compute] Add sign function kernels
> ----------------------------------------
>
> Key: ARROW-12861
> URL: https://issues.apache.org/jira/browse/ARROW-12861
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Eduardo Ponce
> Assignee: Eduardo Ponce
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 6h
> Remaining Estimate: 0h
>
> Add the sign function to the compute kernels.
> sign(X) =
> * 1 if X > 0
> * 0 if X = 0
> * -1 if X < 0
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