From: Noah Lavine <noah.b.lavine@gmail.com>
To: John Darrington <john@darrington.wattle.id.au>
Cc: Guile Mailing List <guile-user@gnu.org>
Subject: Re: Can somebody help to explain why result from atan does not equal a real?
Date: Thu, 31 Jan 2013 09:52:44 -0500 [thread overview]
Message-ID: <CA+U71=PXrTNfkn-QLdzhKhT4n3VdfgdBUUNLWLDQ0VhBP8x=nw@mail.gmail.com> (raw)
In-Reply-To: <20130131145017.GA27085@jocasta.intra>
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On Thu, Jan 31, 2013 at 9:50 AM, John Darrington <
john@darrington.wattle.id.au> wrote:
>
> pi is an irrational number. You would need an infinite number of digits
> wouldn't you?
>
Good point :-). All I meant was enough digits that it parsed as the same
floating-point number that (atan 0 -1) returns.
Noah Lavine
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next prev parent reply other threads:[~2013-01-31 14:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-31 10:50 Can somebody help to explain why result from atan does not equal a real? Hengqing Hu
2013-01-31 13:32 ` Noah Lavine
2013-01-31 14:50 ` John Darrington
2013-01-31 14:52 ` Noah Lavine [this message]
2013-01-31 23:51 ` Mark H Weaver
2013-02-01 0:30 ` Mark H Weaver
2013-02-01 9:10 ` Mark H Weaver
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