From: Dmitry Bely <dmitry.bely@gmail.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] testers wanted for experimental SSE2 back-end
Date: Tue, 23 Mar 2010 12:22:37 +0300 [thread overview]
Message-ID: <90823c941003230222i26ab423fm9f1325b28f5d4d45@mail.gmail.com> (raw)
In-Reply-To: <91a3da521003230207n3aebcdf2ia1faea03c9d13f6@mail.gmail.com>
On Tue, Mar 23, 2010 at 12:07 PM, Daniel Bünzli
<daniel.buenzli@erratique.ch> wrote:
>> let round x = truncate (x +. 0.5)
>
> Side note, if you are also interested in negative numbers
Sure, it was just an code generation example. Probably I should use
round_positive name.
> that's not what you want. You want :
>
>> let round x = floor (x +. 0.5)
...and you get a floor() C call. I would better use
let round x = truncate (x +. (if x > 0. then 0.5 else -0.5))
- Dmitry Bely
next prev parent reply other threads:[~2010-03-23 9:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-09 16:33 Xavier Leroy
2010-03-10 19:25 ` [Caml-list] " Mike Lin
2010-03-10 20:51 ` Will M. Farr
2010-03-11 8:42 ` Xavier Leroy
2010-03-13 16:10 ` Gaëtan DUBREIL
2010-03-23 8:58 ` Dmitry Bely
2010-03-23 9:07 ` Daniel Bünzli
2010-03-23 9:22 ` Dmitry Bely [this message]
2010-03-29 16:49 ` Xavier Leroy
2010-03-29 18:58 ` Dmitry Bely
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