From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Computations on indices Date: Fri, 28 Jul 2023 19:07:09 +0000 Message-ID: <-K4f8gzaHChT1Zdh4mjXzEzdUDwtEGBYoMUnKsUAi0O8TojhUQSVZLb4YrCIh6W53fjb3h6TDfyy7sgsFMXVn-S6Cw-uH12XV2Xq5hw5w3M=@protonmail.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="30945"; mail-complaints-to="usenet@ciao.gmane.io" To: Heime via Users list for the GNU Emacs text editor Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jul 28 21:16:05 2023 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 1qPSwX-0007r6-Kb for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 28 Jul 2023 21:16:05 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qPSo8-0004dX-97; Fri, 28 Jul 2023 15:07:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qPSo6-0004dP-9W for help-gnu-emacs@gnu.org; Fri, 28 Jul 2023 15:07:22 -0400 Original-Received: from mail-4325.protonmail.ch ([185.70.43.25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qPSo4-0001ZH-JW for help-gnu-emacs@gnu.org; Fri, 28 Jul 2023 15:07:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1690571238; x=1690830438; bh=/kUBqRpKOI/eJLNHt6oZYdJM537E4CpfsBbWcS+xOk8=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=ISUJ3cYnxuv7oFuAWUAv53ulROh2KjBrrLvs8QRI2v0SK1LeqhVrZ9fiySQdI/pYF JS4do+aHJ3tdgJkHo7dDFAjzMZkgoP+uIFJfwlwUUG3829HD5lEtmIhP5pDGEG5U/l 2fC85zQEefHnqF2pqJgil+2IajlHaWt1XDh7/CpsO3tjBKSLVakbxedDEl3WL/cwnF uVMMZn/YmCk4uMWqDGjKUuUAIkNrUSZmv3/MNJ0rt0xTYMKyeQOJlnW7+rNDwxus5t yvTl5m1GRcmTYEgEn7w53mbbi7rgWC7Jns/tuv5LmLP2L9DDoZq7Ay9vPIek08WTM4 XFxrB4jMca5GA== Feedback-ID: 57735886:user:proton Received-SPF: pass client-ip=185.70.43.25; envelope-from=heimeborgia@protonmail.com; helo=mail-4325.protonmail.ch 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, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:144485 Archived-At: How can I use 'k-1' in the following function ? (defun permutor (k word) "Generate all permutations of WORD." (let ( (wlis '()) ;; (c (make-vector n 0)) (i 0) ) (if (<=3D k 1) (add-to-list 'wlis word) (while (< i k) (permutor k-1 word) (if (evenp i) (add-to-list 'wlis (protilus-cswap word i k-1)) (add-to-list 'wlis (protilus-cswap word 0 k-1))) (setq i (1+ i))) )))