[jira] [Resolved] (ARROW-13937) [C++][Compute] Add explicit output values to sign function and fix unary type checks

["David Li (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Li resolved ARROW-13937.
------------------------------
    Resolution: Fixed

Issue resolved by pull request 11113
[https://github.com/apache/arrow/pull/11113]

> [C++][Compute] Add explicit output values to sign function and fix unary type checks
> ------------------------------------------------------------------------------------
>
>                 Key: ARROW-13937
>                 URL: https://issues.apache.org/jira/browse/ARROW-13937
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Eduardo Ponce
>            Assignee: Eduardo Ponce
>            Priority: Trivial
>              Labels: kernel, pull-request-available
>             Fix For: 6.0.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> The *sign* function implementation for unsigned integers returns the result of a boolean expression because when casted to an integer it corresponds to the expected value (0 or 1). To make the function more clear, we should be explicit with the return values similar to the other *sign* kernels.



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