From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id CA04FBC84 for ; Mon, 11 Apr 2005 16:25:23 +0200 (CEST) Received: from vaxjo.synopsys.com (us02smtp1.synopsys.com [198.182.60.75]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j3BEPM6W023398 for ; Mon, 11 Apr 2005 16:25:23 +0200 Received: from mother.synopsys.com (mother.synopsys.com [146.225.100.171]) by vaxjo.synopsys.com (Postfix) with ESMTP id AC8B8DE0E for ; Mon, 11 Apr 2005 07:25:21 -0700 (PDT) Received: from US01Kalium.internal.synopsys.com (localhost [127.0.0.1]) by mother.synopsys.com (8.9.1/8.9.1) with ESMTP id HAA04449 for ; Mon, 11 Apr 2005 07:25:21 -0700 (PDT) Received: from US01Natrium.internal.synopsys.com ([10.9.67.42]) by US01Kalium.internal.synopsys.com with Microsoft SMTPSVC(5.0.2195.5329); Mon, 11 Apr 2005 07:25:20 -0700 Received: from ca05osmium.internal.synopsys.com ([10.44.8.226]) by US01Natrium.internal.synopsys.com with Microsoft SMTPSVC(5.0.2195.5329); Mon, 11 Apr 2005 07:25:20 -0700 Received: from synopsys.com ([10.44.9.157]) by ca05osmium.internal.synopsys.com with Microsoft SMTPSVC(5.0.2195.5329); Mon, 11 Apr 2005 10:25:19 -0400 Message-ID: <425A88CF.60107@synopsys.com> Date: Mon, 11 Apr 2005 10:25:19 -0400 From: Alan Falloon User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] float precision on AMD64 References: <2a1a1a0c0504091814876c24a@mail.gmail.com> <42588430.3060105@rftp.com> <425914C2.1010101@yahoo.fr> <4259157C.5090400@exomi.com> <42593B4D.2040601@yahoo.fr> <425927FE.606@exomi.com> <42594BED.8070301@yahoo.fr> <42593456.5050906@exomi.com> <425A7A7C.5010801@synopsys.com> <425A7EF0.40804@exomi.com> In-Reply-To: <425A7EF0.40804@exomi.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 11 Apr 2005 14:25:19.0457 (UTC) FILETIME=[49D9ED10:01C53EA2] X-Miltered: at nez-perce with ID 425A88D2.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 integers:01 wrote:01 floats:01 alan:01 float:03 float:03 anyhow:04 shouldn't:09 actually:10 monday:10 machines:10 point:11 doesn't:12 isn't:13 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on yquem.inria.fr X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.0.2 X-Spam-Level: Ville-Pertti Keinonen wrote: > As the above link notes, since integers on most machines are > twos-complement and not sign-magnitude, it doesn't work right for > negative floats. > > Working around this isn't possible without knowing it's actually a > float (in which case a floating point compare could just be used, > anyhow). My mistake. I shouldn't be posting first thing Monday morning.