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 E98D6BC84 for ; Thu, 24 Mar 2005 22:00:45 +0100 (CET) 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 j2OL0jqX000629 for ; Thu, 24 Mar 2005 22:00:45 +0100 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 WAA17615 for ; Thu, 24 Mar 2005 22:00:45 +0100 (MET) Received: from qrnik.knm.org.pl (paf87.warszawa.sdi.tpnet.pl [217.96.225.87]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j2OL0hlY019924 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO) for ; Thu, 24 Mar 2005 22:00:44 +0100 Received: from qrczak by qrnik.knm.org.pl with local (Exim 3.36 #1) id 1DEZRW-0002cE-00 for caml-list@inria.fr; Thu, 24 Mar 2005 22:00:38 +0100 To: caml-list@inria.fr Subject: Re: [Caml-list] Pervasives.compare output type X-Face: OW>RV&gN+&b-aiNY|U)f=S%w+/rK!);f>/W9IXg})]&F>ht.1Up8@04+_!gOp(_/l_-+E^. 2\vI)1=D,%HWiq)r(M/V~dr^5T^KF/[w5YZ4<0Sus3+O>l3uA/&W_21m?.s,Po8{pb0@ References: <42430B3B.60408@barettadeit.com> <20050324194115.GB9518@furbychan.cocan.org> From: "Marcin 'Qrczak' Kowalczyk" Mail-Followup-To: caml-list@inria.fr Date: Thu, 24 Mar 2005 22:00:38 +0100 In-Reply-To: <20050324194115.GB9518@furbychan.cocan.org> (Richard Jones's message of "Thu, 24 Mar 2005 19:41:15 +0000") Message-ID: <87acosu5c9.fsf@qrnik.zagroda> User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: "Marcin 'Qrczak' Kowalczyk" X-Miltered: at concorde with ID 42432A7D.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at nez-perce with ID 42432A7B.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 pervasives:01 pervasives:01 integers:01 subtraction:01 writes:01 define:01 output:02 comparison:03 overflow:04 equals:06 type:14 type:14 compare:15 compare:15 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on yquem.inria.fr X-Spam-Status: No, score=0.1 required=5.0 tests=FORGED_RCVD_HELO autolearn=disabled version=3.0.2 X-Spam-Level: Richard Jones writes: >> type comparison_result = Less | Equals | Greater >> >> What are the reasons behind the present design choice? > > Wouldn't it be for speed? You could define Pervasives.compare over > integers just as a subtraction. You can't, because of overflow. -- __("< Marcin Kowalczyk \__/ qrczak@knm.org.pl ^^ http://qrnik.knm.org.pl/~qrczak/