Re: How to do t_INT bit operations?

["Ruud H.G. van Tol" <rvtol@isolution.nl>]

On 2023-07-05 21:15, Karim Belabas wrote:
> * hermann@stamm-wilbrandt.de [2023-07-05 20:52]:
> > I found bit shift operators in users.pdf:
> [...]
> > Is that the way to do t_INT bit operations in GP?
> > Are there alternatives more like the C bit operators?
> ? bit<TAB>
> bitand        bitnegimply   bitprecision  bitxor
> bitneg        bitor         bittest
>
> You may want to check those functions (except bitprecision)
>
> The reference cards are also a good place to look for functions (here in
> refcard.pdf, first page, section on "Operators")

Also see: binary(), valuation(), logint().

Examples:
1. count trailing 0-bits: valuation(n,2).
2. count trailing 1-bits: valuation(n+1,2).

-- Ruud