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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/12/07 01:56:35 UTC

[GitHub] [arrow] cyb70289 commented on pull request #11864: ARROW-12404: [C++] Implement "random" nullary function that generates uniform random between 0 and 1

cyb70289 commented on pull request #11864:
URL: https://github.com/apache/arrow/pull/11864#issuecomment-987496027


   > That said, it may compile down to the same formula after optimizations. I can't tell for sure.
   
   +1 for the simple implementation. I believe they are same, at least in theory. It's nothing more than `RNG64()/(2^64)` or `RNG32()/(2^32)`.


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