From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: osc-insert-float32 Date: Fri, 30 Sep 2022 21:33:13 +0200 Message-ID: <87h70overq.fsf@igel.home> References: <8736diakx0.fsf@blind.guru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="609"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Cc: emacs-devel@gnu.org To: Mario Lang Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 30 21:34:45 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oeLmX-000AWh-0h for ged-emacs-devel@m.gmane-mx.org; Fri, 30 Sep 2022 21:34:45 +0200 Original-Received: from localhost ([::1]:34692 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oeLmV-0007Ub-LT for ged-emacs-devel@m.gmane-mx.org; Fri, 30 Sep 2022 15:34:43 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49130) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oeLlF-0006mb-Tf for emacs-devel@gnu.org; Fri, 30 Sep 2022 15:33:25 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.9]:44893) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oeLlB-0006BR-HX for emacs-devel@gnu.org; Fri, 30 Sep 2022 15:33:24 -0400 Original-Received: from frontend03.mail.m-online.net (unknown [192.168.6.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4MfL4B3NnNz1r4q4; Fri, 30 Sep 2022 21:33:14 +0200 (CEST) Original-Received: from localhost (dynscan3.mnet-online.de [192.168.6.84]) by mail.m-online.net (Postfix) with ESMTP id 4MfL4B2vTjz1qqlR; Fri, 30 Sep 2022 21:33:14 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan3.mail.m-online.net [192.168.6.84]) (amavisd-new, port 10024) with ESMTP id 2CYFpHOmp8sV; Fri, 30 Sep 2022 21:33:13 +0200 (CEST) X-Auth-Info: PxTljauxh0devCwoveD1SrtyqJUPXV9+ollSiRhkg1KBmvPh3Rx5JgKksKDejiUR Original-Received: from igel.home (dynamic-046-114-033-153.46.114.pool.telefonica.de [46.114.33.153]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 30 Sep 2022 21:33:13 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 1000) id 12BAD2C263F; Fri, 30 Sep 2022 21:33:13 +0200 (CEST) X-Yow: Why is everything made of Lycra Spandex? In-Reply-To: <8736diakx0.fsf@blind.guru> (Mario Lang's message of "Tue, 17 Dec 2019 19:04:11 +0100") Received-SPF: pass client-ip=212.18.0.9; envelope-from=whitebox@nefkom.net; helo=mail-out.m-online.net X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:296533 Archived-At: On Dez 17 2019, Mario Lang wrote: > If no, is there a better way to test for negative zero and 0.0e+NaN? For the signbit you can use (< (copysign 1.0 value) 0.0), for NaN there is isnan. For the exponent you can use frexp. -- 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."