From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: The next exercise Date: Thu, 15 Dec 2022 11:47:40 +0100 Message-ID: <87tu1x0wqb.fsf@dataswamp.org> References: <87tu24tmv6.fsf@web.de> <574c1ceba8d5f62d3c07@heytings.org> <87edt8tklz.fsf@web.de> <574c1ceba8ee790f5f45@heytings.org> <87r0x8s3le.fsf@web.de> <86fsdld8n0.fsf@gmail.com> <87h6y1o0xq.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17035"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:cGZW7uO/445dkXRrThh1G5haD0A= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Dec 15 14:12:41 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 1p5o2R-0004At-Ig for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 15 Dec 2022 14:12:39 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5ntG-00023K-1a; Thu, 15 Dec 2022 08:03:10 -0500 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 1p5ltJ-0001qM-7h for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 05:55:05 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5ltH-0007eU-FD for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 05:55:04 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p5ltG-0009zQ-9P for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 11:55:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 15 Dec 2022 08:03:07 -0500 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:141757 Archived-At: Michael Heerdegen wrote: >> Emacs can still do that: >> >> (let ((integer-width 200000)) >> (substring (number-to-string (expt 10001 10000)) 0 4)) >> => "2718" > > Indeed: > > (let ((integer-width 20000000)) > (substring (number-to-string (expt 1000001 1000000)) 0 6)) > ==> 271828 > > 6 digits from e. But there it starts to take some time. So how big an integer can you put into `integer-width'? -- underground experts united https://dataswamp.org/~incal