From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 188FD1F5AE for ; Tue, 28 Jul 2020 09:19:44 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id D0C50388CC38; Tue, 28 Jul 2020 09:19:42 +0000 (GMT) Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by sourceware.org (Postfix) with ESMTPS id AAF3A388A830 for ; Tue, 28 Jul 2020 09:19:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org AAF3A388A830 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=whitebox@nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4BGB2V2W9Zz1rwbh; Tue, 28 Jul 2020 11:19:30 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4BGB2V0s11z1qvyq; Tue, 28 Jul 2020 11:19:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id 8vSLW_7MBo4e; Tue, 28 Jul 2020 11:19:29 +0200 (CEST) X-Auth-Info: RqYwY+08Lx5Gy7fL49QOoPEYlC3fhIW5Qu+ma2kpERHFnfoHGG9jr/LxTiRlTJOB Received: from igel.home (ppp-46-244-187-191.dynamic.mnet-online.de [46.244.187.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 28 Jul 2020 11:19:29 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id C19EB2C173E; Tue, 28 Jul 2020 11:19:28 +0200 (CEST) From: Andreas Schwab To: Paul Zimmermann Subject: Re: fix inaccuracy of j0f for x >= 2^127 when sin(x)+cos(x) is tiny References: X-Yow: Edwin Meese made me wear CORDOVANS!! Date: Tue, 28 Jul 2020 11:19:28 +0200 In-Reply-To: (Paul Zimmermann's message of "Tue, 28 Jul 2020 10:23:05 +0200") Message-ID: <87wo2oxahr.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.91 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: libc-alpha@sourceware.org, Joseph Myers Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" On Jul 28 2020, Paul Zimmermann wrote: > + /* we subtract (exactly) a value x0 such that cos(x0)+sin(x0) > + is very near from 0, and use the identity Did you mean "near to"? Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."