[jira] [Commented] (ARROW-13289) [C++] Log functions don't have int kernels

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

    [ https://issues.apache.org/jira/browse/ARROW-13289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17377553#comment-17377553 ] 

David Li commented on ARROW-13289:
----------------------------------

Ah, sorry, during the review for either trig or log functions it was questioned whether having integer variants was useful, so I removed them. Maybe I can have it auto-promote integer arguments to floating point ones?

> [C++] Log functions don't have int kernels
> ------------------------------------------
>
>                 Key: ARROW-13289
>                 URL: https://issues.apache.org/jira/browse/ARROW-13289
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Nic Crane
>            Priority: Major
>
> I've been writing R bindings for the log functions implemented in this PR: [https://github.com/apache/arrow/pull/10567]
> They work when the inputs are floats, but when the input is an int32 I get the following error:
> {code:java}
> NotImplemented: Function ln_checked has no kernel matching input types (scalar[int32]){code}
>  



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