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Article #215646Re: Porównywanie liczb, double float
From: DMR
Date: Sun, 14 Jul 2019 08:16
Date: Sun, 14 Jul 2019 08:16
10 lines
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1928 bytes
> modf Funkcje biblioteczne dobre na wszystko! :-) Tylko, one też muszą być jakoś zaimplementowane. Tu kolega miał podobny dylemat: https://stackoverflow.com/questions/2637714/ Pytanie - czy na pewno jest to to stabilne numerycznie? Tzn. czy nawet jakieś wyjątkowo perfidne błędy zaokrągleń przy odejmowaniu nie są w stanie zniweczyć warunku: 0 < floatPart < 1? (w moim przypadku: floatPart < 1)
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X-Received: by 2002:a05:620a:13ec:: with SMTP id h12mr12590337qkl.266.1563092193558; Sun, 14 Jul 2019 01:16:33 -0700 (PDT) X-Received: by 2002:a0c:96f3:: with SMTP id b48mr14067298qvd.80.1563092193404; Sun, 14 Jul 2019 01:16:33 -0700 (PDT) Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.icm.edu.pl!newsfeed.pionier.net.pl!takemy.news.telefonica.de!telefonica.de!weretis.net!feeder7.news.weretis.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!b26no7536720qtq.0!news-out.google.com!a5ni273qtd.0!nntp.google.com!b26no7536709qtq.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: pl.comp.programming Date: Sun, 14 Jul 2019 01:16:33 -0700 (PDT) In-Reply-To: <qgc0p6$1jf$1@gioia.aioe.org> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=185.93.94.227; posting-account=FE4hoAoAAADKg8EtnA4bEyQiJf7iqAgV NNTP-Posting-Host: 185.93.94.227 References: <qdqqh6$n2f$1@dont-email.me> <5d00f035$0$15194$426a74cc@news.free.fr> <5d011217$0$17348$65785112@news.neostrada.pl> <qe65vo$18po$1@gioia.aioe.org> <5b09d1e0-1ed9-4a3c-851e-29cbf826cb3a@googlegroups.com> <qgc0p6$1jf$1@gioia.aioe.org> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <2656a77d-a2c2-4883-8987-b57162c8c5d2@googlegroups.com> Subject: Re: Porównywanie liczb, double float From: DMR <mezzogm@gmail.com> Injection-Date: Sun, 14 Jul 2019 08:16:33 +0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit