Have you read the output of

order

entered at the R console?


On September 24, 2023 1:38:41 AM PDT, Jan Gorecki <j.gore...@wit.edu.pl> wrote:
>Dear pkg developers,
>
>Are there any ways to check which sorting algorithm is being used when
>calling `order` function? Documentation at
>https://stat.ethz.ch/R-manual/R-devel/library/base/html/sort.html
>says it is radix for length < 2^31
>
>On the other hand, I am using R_orderVector1, passing in double float
>smaller than 2^31. Short description of it states
>"Fast version of 1-argument case of R_orderVector".
>Should I expect R_orderVector1 follow the same algo as R's order()? If so
>it should be radix as well.
>
>https://github.com/wch/r-source/blob/ed51d34ec195b89462a8531b9ef30b7b72e47204/src/main/sort.c#L1133
>
>If there is no way to check sorting algo, could anyone describe which one
>R_orderVector1 uses, and if there is easy API to use different ones from C?
>
>Best Regards,
>Jan Gorecki
>
>       [[alternative HTML version deleted]]
>
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-- 
Sent from my phone. Please excuse my brevity.

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