bit_ffs

"Ruud H.G. van Tol" <[email protected]>
Newsgroups gmane.comp.mathematics.pari.devel
Message-ID <[email protected]> 
Might be interesting to add:

https://en.wikipedia.org/wiki/Find_first_set
https://www.man7.org/linux/man-pages/man3/ffs.3.html
https://www.go4expert.com/articles/builtin-gcc-functions-builtinclz-t29238/

Or are those too low-level?

bit_ffs, bit_ctz

-- Ruud
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