From: Mikhail Zabaluev <mhz@alt-linux.org>
To: mandrake-russian@altlinux.ru
Subject: [mdk-re] Re: Машинное эпсилон
Date: Thu Jan 10 02:02:00 2002
Message-ID: <20020109230133.GH2465@mhz.mikhail.zabaluev.name> (raw)
In-Reply-To: <1041365278.20020109152937@erec.ru>
Hello Sergey,
On Wed, Jan 09, 2002 at 03:29:37PM +0300, Sergey Krivulja wrote:
>
> Hello mandrake-russian,
>
> Кто нить может подсказать как можно поймать
> маншинный эпсилон.
Способ 1, экспериментальный:
perl -e '$f = 1.0; do { $eps = $f; $f *= 0.5 } until (1.0 + $f ==
1.0); print "$eps\n"'
2.22044604925031e-16
Способ 2, догматический:
использовать макросы FLT_EPSILON и DBL_EPSILON из <float.h>.
Результат из способа 1 совпадает с DBL_EPSILON :)
--
Stay tuned,
MhZ JID: mookid@jabber.org
___________
What on earth would a man do with himself if something did not stand in his way?
-- H.G. Wells
next prev parent reply other threads:[~2002-01-10 2:02 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-09 15:26 [mdk-re] " Sergey Krivulja
2002-01-10 2:02 ` Mikhail Zabaluev [this message]
2002-01-10 20:29 ` [mdk-re] Проблемы с Opera 6.0 Vyacheslav Sokolov
2002-01-10 20:41 ` [mdk-re] Re[2]: " Sergey Krivulja
2002-01-10 20:44 ` AVL
2002-01-10 20:49 ` AVL
2002-01-10 21:56 ` Vyacheslav Sokolov
2002-01-11 8:54 ` [mdk-re] XFree86-4.1.0.1-alt4 и ATI Rage 128 Pro TF Alexander Nikolnikov
2002-01-11 10:09 ` [mdk-re] Проблемы с Opera 6.0 Michael Shigorin
2002-01-11 12:22 ` AVL
2002-01-11 12:43 ` Vyacheslav Sokolov
2002-01-11 15:00 ` Antonio
2002-01-11 16:01 ` Vyacheslav Sokolov
2002-01-11 18:31 ` Artem K. Jouravsky
2002-01-11 20:46 ` Michael Bykov
2002-01-11 20:54 ` Korshunov Ilya
2002-01-11 21:26 ` [mdk-re] JT elibrary Michael Bykov
2002-01-12 1:39 ` Sergey Degtyaryov
2002-01-12 13:24 ` Re[2]: " Maksim Otstavnov
2002-01-12 15:25 ` Michael Bykov
2002-01-12 15:34 ` Aleksey Novodvorsky
2002-01-12 16:31 ` Michael Bykov
2002-01-12 18:27 ` Re[2]: " Maksim Otstavnov
2002-01-12 18:34 ` Aleksey Novodvorsky
2002-01-12 23:19 ` Re[2]: " Maksim Otstavnov
2002-01-13 2:17 ` Re[3]: " Alexandre Prokoudine
2002-01-13 15:33 ` Michael Bykov
2002-01-13 16:36 ` Vyt
2002-01-12 18:45 ` Sergey Degtyaryov
2002-01-12 19:17 ` Re[3]: " Maksim Otstavnov
2002-01-12 15:36 ` Aleksey Novodvorsky
2002-01-12 16:09 ` Korshunov Ilya
2002-01-12 18:33 ` [mdk-re] [JT] elibrary Michael Shigorin
2002-01-12 18:33 ` [mdk-re] JT elibrary Michael Shigorin
2002-01-12 22:15 ` Re[2]: " Alexandre Prokoudine
2002-01-12 14:59 ` [mdk-re] [JT] юзеры и "привычный" софт (was: Проблемы с Opera 6.0) Michael Shigorin
2002-01-12 15:06 ` [mdk-re] [JT] elibrary.ru " Michael Shigorin
2002-01-11 12:20 ` [mdk-re] Проблемы с Opera 6.0 Artem K. Jouravsky
2002-01-11 20:07 ` [mdk-re] " Konstantin Lepikhov
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