From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: fatiparty--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Elisp function that performs numeric computations Date: Fri, 21 Jan 2022 09:23:36 +0100 (CET) Message-ID: References: <87czkoezg4.fsf@mbork.pl> Reply-To: fatiparty@tutanota.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25702"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Help Gnu Emacs To: Sergey Organov Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jan 21 10:27:59 2022 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 1nAqD8-0006Xo-Md for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 21 Jan 2022 10:27:58 +0100 Original-Received: from localhost ([::1]:53786 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nAqD7-0001cq-Je for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 21 Jan 2022 04:27:57 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:47302) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nApD8-0006TT-Sv for help-gnu-emacs@gnu.org; Fri, 21 Jan 2022 03:23:55 -0500 Original-Received: from w1.tutanota.de ([81.3.6.162]:45598) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nApCx-0000zR-Bn for help-gnu-emacs@gnu.org; Fri, 21 Jan 2022 03:23:53 -0500 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 445A4FA0618; Fri, 21 Jan 2022 08:23:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1642753416; s=s1; d=tutanota.com; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=0ClHB5QwCnwvDHcpHWel426EvGZKmshcT0pdJaQurjg=; b=SWV7JodRCdrlCSJNwmxOvDAfO4w7UzzMkTYWCrh4C+wULCJpF9pTSa6r9gCR1QiT KCDVtTNmt2qiIVkqdzb6X/rdOHvfsK6zjnpVxxrK9cFAPxIkeuSpfd/2TFAlok52yuP jNhM3yX6ph+phcbH3Y902lgH2eo8NwvsZDVAzitfpgD4gxsmHP13M7KALP0i9kLS/Bn GM3SBq1iVFafY9HBmJz2FqMhpnv/gaJjhK74TDdQ0tHGs55SBFCbXTn8yqjzUPG1xS1 9dG57RQkuRI7ltIYUOmHWw3YugVER/novWrWKwelF4nq8axhmWrYt/onvoyP/AcE1FF Jt6rL1VFpA== In-Reply-To: Received-SPF: pass client-ip=81.3.6.162; envelope-from=fatiparty@tutanota.com; helo=w1.tutanota.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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:135465 Archived-At: Jan 21, 2022, 10:53 by sorganov@gmail.com: > fatiparty--- via Users list for the GNU Emacs text editor > writes: > >> Jan 19, 2022, 23:29 by mbork@mbork.pl: >> >>> >>> (defun test (depth maxdepth rptdepth) >>> >>>> "Compute depth to use." >>>> (interactive) >>>> =20 >>>> (let* ( (j rptdepth) >>>> (w (- maxdepth j)) >>>> (p (+ w 1)) >>>> (r (mod (- depth maxdepth 1) p) ) >>>> (o (+ j r)) ) >>>> o)) >>>> >> I would like to adapt the function a little bit more. =C2=A0 If depth <= =3D maxdepth >> I want to set o=3Ddepth instead of performing the computation shown for = the >> variable o. >> > > Did I get it right, I wonder? > > (defun test (depth maxdepth rptdepth) > (if (<=3D depth maxdepth) > depth > (+ rptdepth > (mod (- depth maxdepth 1) > (- maxdepth rptdepth -1))))) > > Is it how true (E)Lisp'er would write it? > > -- Sergey Organov > What you have done is good.=C2=A0 But although you have got to a simple sol= ution, I want to code the more complicated solution for the case where let* is involved (= within which local variables are defined).