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Posted to jira@arrow.apache.org by "Eduardo Ponce (Jira)" <ji...@apache.org> on 2021/05/24 20:49:00 UTC

[jira] [Updated] (ARROW-12861) [C++][Compute] Add sign function kernels

     [ https://issues.apache.org/jira/browse/ARROW-12861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eduardo Ponce updated ARROW-12861:
----------------------------------
    Description: 
Add the sign function to the compute kernels.

sign(n) =
 * 1 if x > 0
 * 0 if x = 0
 * -1 if x < 0

  was:
Add the sign function to the compute kernels.

sign(x) =
 * 1 if x > 0
 * 0 if x = 0
 * -1 if x < 0


> [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
>             Fix For: 5.0.0
>
>
> Add the sign function to the compute kernels.
> sign(n) =
>  * 1 if x > 0
>  * 0 if x = 0
>  * -1 if x < 0



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