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Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2021/03/18 18:53:00 UTC

[jira] [Updated] (ARROW-11950) [C++][Compute] Add unary negative kernel

     [ https://issues.apache.org/jira/browse/ARROW-11950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Kietzman updated ARROW-11950:
---------------------------------
    Summary: [C++][Compute] Add unary negative kernel  (was: [C++] Add unary negative kernel)

> [C++][Compute] Add unary negative kernel
> ----------------------------------------
>
>                 Key: ARROW-11950
>                 URL: https://issues.apache.org/jira/browse/ARROW-11950
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Neal Richardson
>            Assignee: Eduardo Ponce
>            Priority: Major
>             Fix For: 4.0.0
>
>
> Related to ARROW-11945. So that you can have an expression like {{-col}}. You can approximate this with doing {{0 - col}}, but I would guess it could be done more efficiently.
> cc [~bkietz]



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