From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by yquem.inria.fr (Postfix) with ESMTP id AEFD5BC48 for ; Sun, 10 Apr 2005 03:40:53 +0200 (CEST) Received: from smtp810.mail.sc5.yahoo.com (smtp810.mail.sc5.yahoo.com [66.163.170.80]) by concorde.inria.fr (8.13.0/8.13.0) with SMTP id j3A1eqru020304 for ; Sun, 10 Apr 2005 03:40:53 +0200 Received: from unknown (HELO ?192.168.1.100?) (rftp@pacbell.net@63.194.18.166 with plain) by smtp810.mail.sc5.yahoo.com with SMTP; 10 Apr 2005 01:40:51 -0000 Message-ID: <42588430.3060105@rftp.com> Date: Sat, 09 Apr 2005 18:41:04 -0700 From: Robert Roessler Organization: Robert's High-performance Software User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6) Gecko/20050319 X-Accept-Language: en-us, en MIME-Version: 1.0 To: mlin@mlin.net Cc: caml-list@yquem.inria.fr Subject: Re: [Caml-list] float precision on AMD64 References: <2a1a1a0c0504091814876c24a@mail.gmail.com> In-Reply-To: <2a1a1a0c0504091814876c24a@mail.gmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Miltered: at concorde with ID 42588424.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 ocaml:01 ocaml:01 doubles:01 ...:98 wrote:01 floats:01 floats:01 ints:01 int:01 float:03 float:03 epsilon:04 probably:05 folks:05 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: Mike Lin wrote: > Hi folks, > > ints are appropriately wider on AMD64 ocaml, but floats don't seem to > be...max_float and epsilon_float are the same on my 64-bit machine as > on a 32-bit, while max_int is larger. Is this by design? This is probably because "floats" in standard (32-bit) OCaml are already "doubles" (they use IEEE 64-bit floating point representation). :) Robert Roessler roessler@rftp.com http://www.rftp.com