From nobody Tue Dec 21 14:46:40 2021 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 09C6A19061A6; Tue, 21 Dec 2021 14:46:51 +0000 (UTC) (envelope-from marc@blackend.org) Received: from smtp1-g21.free.fr (smtp1-g21.free.fr [IPv6:2a01:e0c:1:1599::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4JJK6L64Yfz3hxs; Tue, 21 Dec 2021 14:46:50 +0000 (UTC) (envelope-from marc@blackend.org) Received: from emphyrio.blackend.org (unknown [82.64.86.146]) by smtp1-g21.free.fr (Postfix) with ESMTPS id CDA1EB0051E; Tue, 21 Dec 2021 15:46:41 +0100 (CET) Received: from emphyrio.blackend.org (localhost [127.0.0.1]) by emphyrio.blackend.org (8.16.1/8.16.1) with ESMTPS id 1BLEkejD002250 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 21 Dec 2021 15:46:40 +0100 (CET) (envelope-from marc@emphyrio.blackend.org) Received: (from marc@localhost) by emphyrio.blackend.org (8.16.1/8.16.1/Submit) id 1BLEke99002249; Tue, 21 Dec 2021 15:46:40 +0100 (CET) (envelope-from marc) Date: Tue, 21 Dec 2021 15:46:40 +0100 From: Marc Fonvieille To: Steve Kargl Cc: Mark Murray , freebsd-hackers@freebsd.org, freebsd-current@freebsd.org Subject: Re: What to do about tgammal? Message-ID: Mail-Followup-To: Steve Kargl , Mark Murray , freebsd-hackers@freebsd.org, freebsd-current@freebsd.org References: <20211213022223.GA41440@troutmask.apl.washington.edu> <813F29E3-8478-4282-9518-5943DE7B5492@FreeBSD.org> <20211214215106.GA50381@troutmask.apl.washington.edu> <20211218035222.GA68916@troutmask.apl.washington.edu> <6C888EBF-1734-4EDC-8DBF-D2BA2454C37D@FreeBSD.org> <20211218175151.GA71197@troutmask.apl.washington.edu> <8011E549-1DEE-4B1B-BCC9-4604E155F4DC@FreeBSD.org> <20211221004819.GA79153@troutmask.apl.washington.edu> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20211221004819.GA79153@troutmask.apl.washington.edu> X-Rspamd-Queue-Id: 4JJK6L64Yfz3hxs X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N Le 20.12.2021 16:48, Steve Kargl a écrit : > On Mon, Dec 20, 2021 at 11:15:53AM +0100, Marc Fonvieille wrote: > > > > I assume what Steve is talking about is the corresponding value in > > decimal of the number of ULP. > > > > Bad assumption. Please read Goldberg's paper. I am talking > about ULP in the underlying floating point format. > Thanks, it's more clear now: it's the ULP value. Is your tlibm_libm program available for testing ? If I find time I'd like to do some tests. -- Marc