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Posted to issues@arrow.apache.org by "Jorge (Jira)" <ji...@apache.org> on 2020/09/01 06:00:23 UTC
[jira] [Created] (ARROW-9891) [Rust] [DataFusion] Make math
functions support f32
Jorge created ARROW-9891:
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Summary: [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
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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