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Path: ...!news.misty.com!weretis.net!feeder9.news.weretis.net!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: minforth@gmx.net (minforth) Newsgroups: comp.lang.forth Subject: Re: exercise in double number arithmetic Date: Mon, 15 Jul 2024 08:45:43 +0000 Organization: novaBBS Message-ID: <41fb479407861a526f7bf0447b8898a9@www.novabbs.com> References: <v6c8v0$3usoe$1@dont-email.me> <v71gpb$jsug$1@solani.org> <v71t6u$clc8$1@dont-email.me> <b2082c0108b670faa0a3fbfc46ec82b5@www.novabbs.com> <9616c902dd436be9d44ee97818eb1653@www.novabbs.com> <27272939128fda526e89e1516be61081@www.novabbs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: i2pn2.org; logging-data="3346512"; mail-complaints-to="usenet@i2pn2.org"; posting-account="0+ejqm+s29REto3A2x2P4fP+XaUXf51pZgtYBR0nEqI"; User-Agent: Rocksolid Light X-Spam-Checker-Version: SpamAssassin 4.0.0 X-Rslight-Site: $2y$10$UVON7gFvrZhiYAywm3dQuejCAKdae/s/uPnVzScgEOoBOwBs6bmR2 X-Rslight-Posting-User: d2a19558f194e2f1f8393b8d9be9ef51734a4da3 Bytes: 1414 Lines: 7 The limitiation is within FALOG that works with float64 i.e. 52 significant bits ~ about 16 decimal digits only. A Forth with DFLOAT=float80 (x87) works with 64 signif. bits i.e. about 21 decimal digits. If this is a problem, the Pascal triangle does not have such limitations.