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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Pancho <Pancho.Jones@protonmail.com> Newsgroups: alt.folklore.computers,comp.os.linux.misc Subject: Re: evolution of arithmetic, was bytes, The joy of FORTRAN Date: Wed, 5 Mar 2025 00:38:43 +0000 Organization: A noiseless patient Spider Lines: 10 Message-ID: <vq86ej$23fck$3@dont-email.me> References: <vpl91g$25q46$1@dont-email.me> <vq1rmc$to24$1@paganini.bofh.team> <vq2j6n$v1q6$3@dont-email.me> <vq31t7$14njc$1@paganini.bofh.team> <vq36a6$cbc$3@gal.iecc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 05 Mar 2025 01:38:44 +0100 (CET) Injection-Info: dont-email.me; posting-host="5109c46dcabba5c63a0d37eba76dbda6"; logging-data="2211220"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+zyDEQQmSYNyVeNm2iZXuPS9yRPEHRf18=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:kl965HiZL2HvxPLReANtkAT0cLg= Content-Language: en-GB In-Reply-To: <vq36a6$cbc$3@gal.iecc.com> Bytes: 1634 On 3/3/25 03:05, John Levine wrote: > That required simulating decimal > rounding with binary arithmetic, which was quite painful. If DFP makes it > easier to get correct rounding on zillion dollar financial calculations it > could well be worth the cost. Why? Double precision gives you 15 digits. That is Elon Musk calculating his wealth to the exact cent. Were there enough cents saved to pay for all that extra coding effort?