From: Gabriel Kerneis <kerneis@pps.jussieu.fr>
To: Dario Teixeira <darioteixeira@yahoo.com>
Cc: caml-list@inria.fr, Sylvain Le Gall <sylvain@le-gall.net>
Subject: Re: [Caml-list] Re: Binary logarithm of a power of 2
Date: Sat, 28 May 2011 07:29:59 +0200 [thread overview]
Message-ID: <20110528052959.GA5839@kerneis.info> (raw)
In-Reply-To: <891579.63577.qm@web111515.mail.gq1.yahoo.com>
On Fri, May 27, 2011 at 10:21:09AM -0700, Dario Teixeira wrote:
> Incidentally, I found a web page with lots of cool bit-twiddling hacks,
> which includes several solutions to the binary logarithm problem:
> http://graphics.stanford.edu/~seander/bithacks.html
Some more of them:
http://www.cl.cam.ac.uk/~am21/hakmemc.html
Those are the (famous) HAKMEM tricks, translated to C by Alan Mycroft.
Probably of no practical use, but learning what the fixed point of the float
function was on a PDP-10 is priceless...
Best,
--
Gabriel
next prev parent reply other threads:[~2011-05-28 5:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-27 17:21 Dario Teixeira
2011-05-28 5:29 ` Gabriel Kerneis [this message]
2011-05-28 16:17 ` Norman Hardy
-- strict thread matches above, loose matches on Subject: below --
2011-05-26 15:51 [Caml-list] " Dario Teixeira
2011-05-27 11:50 ` Dario Teixeira
2011-05-27 13:26 ` [Caml-list] " Sylvain Le Gall
2011-05-27 17:15 ` Xavier Leroy
2011-05-27 18:04 ` Dario Teixeira
2011-05-27 18:37 ` Till Varoquaux
2011-05-27 18:46 ` Till Varoquaux
2011-05-28 0:28 ` Harrison, John R
2011-05-28 15:58 ` Richard W.M. Jones
2011-05-28 16:04 ` Edgar Friendly
2011-05-28 17:50 ` Matteo Frigo
2011-05-30 11:48 ` Jean-Christophe Filliâtre
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