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 C825CBCAD for ; Wed, 1 Jun 2005 14:27:14 +0200 (CEST) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id j51CREDK031252 for ; Wed, 1 Jun 2005 14:27:14 +0200 Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id OAA24921; Wed, 1 Jun 2005 14:27:13 +0200 (MET DST) Received: from ext.lri.fr (ext.lri.fr [129.175.15.4]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j51CRDha014439 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Wed, 1 Jun 2005 14:27:13 +0200 Received: from localhost (localhost [127.0.0.1]) by ext.lri.fr (Postfix) with ESMTP id 4BF7019E853; Wed, 1 Jun 2005 14:27:13 +0200 (CEST) Received: from ext.lri.fr ([127.0.0.1]) by localhost (ext.lri.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 25806-07; Wed, 1 Jun 2005 14:27:13 +0200 (CEST) Received: from smtp.lri.fr (serveur3-5 [129.175.3.5]) by ext.lri.fr (Postfix) with ESMTP id 39B9919E787; Wed, 1 Jun 2005 14:27:13 +0200 (CEST) Received: from pc9-152 (pc9-152 [129.175.9.152]) by smtp.lri.fr (Postfix) with ESMTP id ED397CED9B; Wed, 1 Jun 2005 14:27:12 +0200 (CEST) Received: from filliatr by pc9-152 with local (Exim 3.36 #1 (Debian)) id 1DdSJU-00027h-00; Wed, 01 Jun 2005 14:27:12 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17053.43424.797745.36556@gargle.gargle.HOWL> Date: Wed, 1 Jun 2005 14:27:12 +0200 To: Richard Jones Cc: Christian Lindig , Caml List , caml-bugs@inria.fr Subject: Re: [Caml-list] Bug? Random.int max_int on AMD64 fails In-Reply-To: <20050601085814.GA17158@furbychan.cocan.org> References: <20050601085814.GA17158@furbychan.cocan.org> X-Mailer: VM 7.18 under Emacs 21.3.1 From: Jean-Christophe Filliatre X-Virus-Scanned: by amavisd-new at lri.fr X-Miltered: at concorde with ID 429DA9A2.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at nez-perce with ID 429DA9A1.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 bug:01 filliatre:01 filliatre:01 lri:01 lindig:01 ...:98 wrote:01 exception:01 writes:01 integer:01 int:01 int:01 argument:01 max: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: Richard Jones writes: > On Wed, Jun 01, 2005 at 10:14:01AM +0200, Christian Lindig wrote: > > ># Random.int max_int;; > > >Exception: Invalid_argument "Random.int". > > ># > > The documentation states: > > (** [Random.int bound] returns a random integer between 0 (inclusive) > and [bound] (exclusive). [bound] must be more than 0 and less > than 2{^30}. *) > > On 64 bit machines, max_int is 2^62 or thereabouts. ... and I'll add to this answer that you have Random.int64 available. -- Jean-Christophe