bug#22689: [PATCH] Add logcount

[Mark Oteiza]

On 30/09/17 at 08:53pm, Eli Zaretskii wrote:
> > Date: Sat, 30 Sep 2017 13:07:58 -0400
> > From: Mark Oteiza <mvoteiza@udel.edu>
> > Cc: 22689@debbugs.gnu.org
> > 
> > Ok.  Patch including this, Benjamin's catch, and documentation.
> 
> Thanks.  A minor comment on the docs:
> 
> > +@defun logcount integer
> > +This function returns the population count of @var{integer}: the
> > +number of ones in the binary representation of @var{integer}.
> 
> I would mention here the "Hamming weight" term (in @dfn) that is
> referenced in NEWS, and I would also add a few index entries:
> 
>  @cindex popcount
>  @cindex Hamming weight
>  @cindex counting set bits

Done, pushed as 185f3334.  Thank you.