From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: How to read an integer from the minibuffer Date: Sat, 13 Nov 2021 09:37:35 +0300 Message-ID: References: <87y25u9pzj.fsf@zoho.eu> <993162c2a13d5ea3b0aa@heytings.org> <87lf1u9pdj.fsf@zoho.eu> <993162c2a1f85349fcfa@heytings.org> <87fss29on7.fsf@zoho.eu> <87v90x5g7p.fsf@zoho.eu> <87mtm95b64.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4819"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.7+183 (3d24855) (2021-05-28) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 13 07:41:20 2021 Return-path: Envelope-to: geh-help-gnu-emacs@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 1mlmj2-00015g-00 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Nov 2021 07:41:20 +0100 Original-Received: from localhost ([::1]:58598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlmj0-0002Ux-LS for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Nov 2021 01:41:18 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33462) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlmfx-0002TT-Gu for help-gnu-emacs@gnu.org; Sat, 13 Nov 2021 01:38:09 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:54753) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlmfv-00053r-Gh for help-gnu-emacs@gnu.org; Sat, 13 Nov 2021 01:38:09 -0500 Original-Received: from localhost ([::ffff:41.75.188.219]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000031EF4.00000000618F5D4A.00006AC7; Fri, 12 Nov 2021 23:38:01 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87mtm95b64.fsf@zoho.eu> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:134557 Archived-At: * Emanuel Berg via Users list for the GNU Emacs text editor [2021-11-13 00:16]: > Jean Louis wrote: > > > Should I say "actual number"? > > It depends: > > complex C = ... -3 + 2i, 0, 1 + 3i ... > composite 4, 6, 8, 9, 10, 12 ... > integers Z = ... -3, -2, -1, 0, 1, 2, 3 ... > irrational F = ... \pi, \sqrt{2}, 0.121221222 ... > natural N = 1, 2, 3, 4 ... > prime P = 2, 3, 5, 7, 11, 13, 17 ... > rational Q = -\frac{1}{2}, 0.33333 ... \frac{5}{2}, \frac{11}{10} ... > real R = ... -3, -1, 0, \frac{1}{5}, 1.1, \sqrt{2}, 2, 3, \pi ... > whole W = 0, 1, 2, 3, 4 ... > > https://davenport.libguides.com/math-skills-overview/basic-operations/sets I would just check for those numbers that are accepted by Emacs Lisp. 2i does not evaluate, thus I cannot use that one. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/