From owner-freebsd-hackers@FreeBSD.ORG Fri Dec 21 11:57:17 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 573C216A418 for ; Fri, 21 Dec 2007 11:57:17 +0000 (UTC) (envelope-from erikt@midgard.homeip.net) Received: from ch-smtp01.sth.basefarm.net (ch-smtp01.sth.basefarm.net [80.76.149.212]) by mx1.freebsd.org (Postfix) with ESMTP id 05D8113C46A for ; Fri, 21 Dec 2007 11:57:16 +0000 (UTC) (envelope-from erikt@midgard.homeip.net) Received: from c83-253-25-183.bredband.comhem.se ([83.253.25.183]:57779 helo=falcon.midgard.homeip.net) by ch-smtp01.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1J5gGE-00012v-3O for freebsd-hackers@freebsd.org; Fri, 21 Dec 2007 12:41:50 +0100 Received: (qmail 60363 invoked from network); 21 Dec 2007 12:41:46 +0100 Received: from owl.midgard.homeip.net (10.1.5.7) by falcon.midgard.homeip.net with ESMTP; 21 Dec 2007 12:41:46 +0100 Received: (qmail 49936 invoked by uid 1001); 21 Dec 2007 12:41:46 +0100 Date: Fri, 21 Dec 2007 12:41:46 +0100 From: Erik Trulsson To: Carl Shapiro Message-ID: <20071221114146.GA49818@owl.midgard.homeip.net> Mail-Followup-To: Carl Shapiro , Peter Jeremy , freebsd-hackers@freebsd.org References: <4dcb5abd0712192140w29fd39fh53b09fdd4d20e880@mail.gmail.com> <20071220093950.GA79196@server.vk2pj.dyndns.org> <4dcb5abd0712210309kd91b52fla64f64e90dc8213@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4dcb5abd0712210309kd91b52fla64f64e90dc8213@mail.gmail.com> User-Agent: Mutt/1.5.16 (2007-06-09) X-Originating-IP: 83.253.25.183 X-Scan-Result: No virus found in message 1J5gGE-00012v-3O. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1J5gGE-00012v-3O 6bf9dc5b7d5c35cc5bd233b584913e11 Cc: freebsd-hackers@freebsd.org Subject: Re: critical floating point incompatibility X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Dec 2007 11:57:17 -0000 On Fri, Dec 21, 2007 at 03:09:33AM -0800, Carl Shapiro wrote: > On 12/20/07, Peter Jeremy wrote: > > I believe this is an oversight. See the thread beginning > > http://lists.freebsd.org/pipermail/freebsd-stable/2007-November/037947.html > > Thanks for the pointer into the -stable mailing list. > > The incorrect precision control bits is a serious quality of life > issue for those of us who care about consistent numerical computations > and the backward compatibility of our FreeBSD object code. Is there > an active community of users who care about numerics on FreeBSD? There are certainly people who care about numerics on FreeBSD. Most of the floating-point related discussions seem to happen on the freebsd-standards@ mailing list. You could check the archives of that list. > > At any rate, I searched the PR database for a bug related to the > incorrect control word setting but came up empty handed. If nothing > has been filed to date I will go ahead and submit a PR. -- Erik Trulsson ertr1013@student.uu.se