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Posted to jira@arrow.apache.org by "Apache Arrow JIRA Bot (Jira)" <ji...@apache.org> on 2020/09/01 14:56:00 UTC

[jira] [Assigned] (ARROW-9891) [Rust] [DataFusion] Make math functions support f32

     [ https://issues.apache.org/jira/browse/ARROW-9891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Arrow JIRA Bot reassigned ARROW-9891:
--------------------------------------------

    Assignee: Jorge  (was: Apache Arrow JIRA Bot)

> [Rust] [DataFusion] Make math functions support f32
> ---------------------------------------------------
>
>                 Key: ARROW-9891
>                 URL: https://issues.apache.org/jira/browse/ARROW-9891
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Rust, Rust - DataFusion
>            Reporter: Jorge
>            Assignee: Jorge
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Given a math function `g`, we compute g(f32) using g(cast(f32 AS f64)).
> The goal of this issue is to make the operation be cast(g(f32) AS f64) instead.
> Since computations on f32 are faster than on f64, this is a simple optimization.
>  



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