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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/28 15:37:42 UTC

[GitHub] [arrow] nealrichardson commented on pull request #10395: ARROW-12861: [C++][Compute] Add sign function kernels

nealrichardson commented on pull request #10395:
URL: https://github.com/apache/arrow/pull/10395#issuecomment-850504023


   I wouldn't say it's the _most_ useful kernel to be adding, if I were prioritizing kernels to write, but it is something that people do. In R for example there is a `sign()` function: https://stat.ethz.ch/R-manual/R-devel/library/base/html/sign.html, and it's a thing in SQL too. 


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