From owner-cvs-src@FreeBSD.ORG Mon Nov 28 09:03:32 2005 Return-Path: X-Original-To: cvs-src@freebsd.org Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 545A716A41F; Mon, 28 Nov 2005 09:03:32 +0000 (GMT) (envelope-from bde@zeta.org.au) Received: from mailout1.pacific.net.au (mailout1.pacific.net.au [61.8.0.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id 65D2043D6A; Mon, 28 Nov 2005 09:03:31 +0000 (GMT) (envelope-from bde@zeta.org.au) Received: from mailproxy1.pacific.net.au (mailproxy1.pacific.net.au [61.8.0.86]) by mailout1.pacific.net.au (8.13.4/8.13.4/Debian-3) with ESMTP id jAS93TgE006260; Mon, 28 Nov 2005 20:03:30 +1100 Received: from epsplex.bde.org (katana.zip.com.au [61.8.7.246]) by mailproxy1.pacific.net.au (8.13.4/8.13.4/Debian-3) with ESMTP id jAS93SP5027240; Mon, 28 Nov 2005 20:03:28 +1100 Date: Mon, 28 Nov 2005 20:03:28 +1100 (EST) From: Bruce Evans X-X-Sender: bde@epsplex.bde.org To: Bruce Evans In-Reply-To: <200511280832.jAS8WGvs059057@repoman.freebsd.org> Message-ID: <20051128195039.D91688@epsplex.bde.org> References: <200511280832.jAS8WGvs059057@repoman.freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/lib/msun/src e_lgammaf_r.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Nov 2005 09:03:32 -0000 On Mon, 28 Nov 2005, Bruce Evans wrote: > Now the max error for lgammaf(x) with |x| < 2**-21 is 0.7885 ulps, and > speed and accuracy are almost the same for positive and negative args > in this range. The maximum error overall is still infinity ulps. Oops. The max error overall is only 7497618.070 ulps (i.e., the result is off by a factor of almost 2, or has about 1 bit of accuracy). This occurs for lgammaf(-2.45702481269836F). Bruce