From owner-freebsd-numerics@FreeBSD.ORG Sun Aug 12 23:12:51 2012 Return-Path: Delivered-To: freebsd-numerics@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3C1E0106566C for ; Sun, 12 Aug 2012 23:12:51 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (host-122-100-2-194.octopus.com.au [122.100.2.194]) by mx1.freebsd.org (Postfix) with ESMTP id C6C558FC17 for ; Sun, 12 Aug 2012 23:12:50 +0000 (UTC) Received: from server.rulingia.com (c220-239-249-137.belrs5.nsw.optusnet.com.au [220.239.249.137]) by vps.rulingia.com (8.14.5/8.14.5) with ESMTP id q7CNCoLf075930 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 13 Aug 2012 09:12:50 +1000 (EST) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.14.5/8.14.5) with ESMTP id q7CNCiCm021842 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 13 Aug 2012 09:12:44 +1000 (EST) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.14.5/8.14.5/Submit) id q7CNCi07021841 for freebsd-numerics@freebsd.org; Mon, 13 Aug 2012 09:12:44 +1000 (EST) (envelope-from peter) Resent-From: Peter Jeremy Resent-Date: Mon, 13 Aug 2012 09:12:44 +1000 Resent-Message-ID: <20120812231244.GV20453@server.rulingia.com> Resent-To: freebsd-numerics@freebsd.org Received: from vps.rulingia.com (host-122-100-2-194.octopus.com.au [122.100.2.194]) by server.rulingia.com (8.14.5/8.14.5) with ESMTP id q6L23Ji5062784 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sat, 21 Jul 2012 12:03:19 +1000 (EST) (envelope-from stephen@missouri.edu) Received: from wilberforce.math.missouri.edu (wilberforce.math.missouri.edu [128.206.184.213]) by vps.rulingia.com (8.14.5/8.14.5) with ESMTP id q6L23Ge3095233 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 21 Jul 2012 12:03:18 +1000 (EST) (envelope-from stephen@missouri.edu) Received: from [127.0.0.1] (wilberforce.math.missouri.edu [128.206.184.213]) by wilberforce.math.missouri.edu (8.14.5/8.14.5) with ESMTP id q6L22ssN093460; Fri, 20 Jul 2012 21:02:55 -0500 (CDT) (envelope-from stephen@missouri.edu) Message-ID: <500A0DCF.4030707@missouri.edu> From: Stephen Montgomery-Smith Mail-Followup-To: freebsd-numerics@freebsd.org User-Agent: Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0 MIME-Version: 1.0 To: Bruce Evans References: <20120714120432.GA70706@server.rulingia.com> <20120717084457.U3890@besplex.bde.org> <5004A5C7.1040405@missouri.edu> <5004DEA9.1050001@missouri.edu> <20120717200931.U6624@besplex.bde.org> <5006D13D.2080702@missouri.edu> <20120718205625.GA409@troutmask.apl.washington.edu> <500725F2.7060603@missouri.edu> <20120719025345.GA1376@troutmask.apl.washington.edu> <50077987.1080307@missouri.edu> <20120719032706.GA1558@troutmask.apl.washington.edu> <5007826D.7060806@missouri.edu> <5007AD41.9070000@missouri.edu> <20120719205347.T2601@besplex.bde.org> <50084322.7020401@missouri.edu> <20120720035001.W4053@besplex.bde.org> <50085441.4090305@missouri.edu> <20120720162953.N2162@besplex.bde.org> <20120720184114.B2790@besplex.bde.org> <50097128.6030405@missouri.edu> <20120721032448.X5744@besplex.bde.org> In-Reply-To: <20120721032448.X5744@besplex.bde.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Diane Bruce , John Baldwin , David Chisnall , Bruce Evans , Steve Kargl , David Schultz , Peter Jeremy , Warner Losh Subject: Re: Use of C99 extra long double math functions after r236148 X-BeenThere: freebsd-numerics@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussions of high quality implementation of libm functions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Sun, 12 Aug 2012 23:12:51 -0000 X-Original-Date: Fri, 20 Jul 2012 21:02:55 -0500 X-List-Received-Date: Sun, 12 Aug 2012 23:12:51 -0000 Hey guys, I just found this paper: Implementing complex elementary functions using exception handling, T. E. Hull, Thomas F. Fairgrieve, Ping-Tak Peter Tang ACM Transactions on Mathematical Software, Volume 20 Issue 2, June 1994 Pages 215-244 http://dl.acm.org/citation.cfm?doid=178365.178404 This includes an algorithm for clog. Now that I have discovered just how hard it really is, I am going to read this paper. There is also a Corrigenda to this paper - the digital copy seems to be missing. But I will try to retrieve the paper copy from my library. http://toms.acm.org/cgi/TOMSbibget.cgi?Anonymous:1994:C If anyone else wants a copy of these papers, I would be glad to share it. But I am using the University of Missouri subscription to ACM, and I don't want to abuse it by sharing the paper willy-nilly.