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Bill Allombert on Sat, 05 Jul 2025 22:53:24 +0200
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: flags in a bitmap
- From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Date: Sat, 5 Jul 2025 22:53:20 +0200
- Delivery-date: Sat, 05 Jul 2025 22:53:24 +0200
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On Sat, Jul 05, 2025 at 09:19:19PM +0200, Ruud H.G. van Tol wrote:
>
> On 2025-07-05 20:37, Bill Allombert wrote:
> > [...]
> > I have made a updated version (which no more allow to clear the highest bit).
>
> ? ??bitclear
> 'bitclear' not found !
You need to do 'make install-doc' (You can set a custom prefix with Configure).
> ? ?bitset
> bitset(~x,n): set bit n of x in place, assuming x >= 2^n.
>
> ? ?bitclear
> bitclear(~x,n): clear bit n of x in place, assuming x >= 2^(n+1).
>
> ? ?bitflip
> bitflip(~x,n): flip bit n of x in place, assuming x >= 2^{n+1}.
Good catch! I have made a new push.
I added examples to the documentation.
I still need one example for bitflip, if you have some ideas!
Cheers,
Bill.