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: math (was: Re: not good proposal: "C-z " reserved for users) Date: Sat, 13 Feb 2021 18:08:43 +0300 Message-ID: References: <87y2ftroma.fsf@zoho.eu> <87y2fs2wyu.fsf@robertthorpeconsulting.com> <8735y06nap.fsf@zoho.eu> <87tuqg585j.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="19956"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0 (3d08634) (2020-11-07) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 13 16:13:49 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 1lAwcH-000562-Ri for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Feb 2021 16:13:49 +0100 Original-Received: from localhost ([::1]:34852 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lAwcG-0004wo-T7 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 13 Feb 2021 10:13:48 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41728) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lAwbd-0004wS-3p for help-gnu-emacs@gnu.org; Sat, 13 Feb 2021 10:13:09 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:39595) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lAwbb-0001fq-DW for help-gnu-emacs@gnu.org; Sat, 13 Feb 2021 10:13:08 -0500 Original-Received: from localhost ([::ffff:197.157.0.47]) (AUTH: PLAIN securesender, TLS: TLS1.2,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001DFF5.000000006027EC80.000009FD; Sat, 13 Feb 2021 08:13:04 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87tuqg585j.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: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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:127942 Archived-At: * Emanuel Berg via Users list for the GNU Emacs text editor [2021-02-13 17:56]: > > Jean Louis wrote: > > > >> (defun pct-of-number-in-total (number total) > >> "Return the percentage that NUMBER represents in a TOTAL." > >> (let* ((percent (/ (float total) 100)) > >> (percentage (/ (float number) percent))) > >> percentage)) > > > > (defun percent (n d) > > (let ((pct (* 100 (/ n d 1.0)))) > > (message "%.1f%%" pct))) > > > > (percent 13973 204612) ; 6.8% > > The 1.0 and (float) just don't look good. Maybe one should do > it onee time and be done with Thanks, I knew somebody will improve it for free. Now I will use: (defun pct-of-number-in-total (number total) "Return the percentage that NUMBER represents in a TOTAL." (/ number total 0.01))