From: "Shmuel (Seymour J.) Metz" <nospam@gsg.eds.com>
Subject: Re: An interesting quote on Java and C++
Date: 1997/11/19
Date: 1997-11-19T00:00:00+00:00 [thread overview]
Message-ID: <3473350D.8F9@gsg.eds.com> (raw)
In-Reply-To: EACHUS.97Oct7165034@spectre.mitre.org
Robert I. Eachus wrote:
> Ever use floating point? On most hardware today, floating point
> uses a (biased)two's-complement exponent and a sign and magnitude
> mantissa. So if you use the floating point engine to do integer
> arithmetic you get similar semantics to one's complement.
Not even close; no end around carry, and the arithmetic complement is
not the bitwise complement. One's complement, for better or for worse,
is not like anything you're used to except for one obscure thing that
I'll leave as an exercise for the reader.
--
Shmuel (Seymour J.) Metz
Senior Software SE
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next prev parent reply other threads:[~1997-11-19 0:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-09-25 0:00 An interesting quote on Java and C++ Marin David Condic, 561.796.8997, M/S 731-96
1997-09-25 0:00 ` Shmuel (Seymour J.) Metz
1997-09-26 0:00 ` Tucker Taft
1997-10-07 0:00 ` Robert I. Eachus
1997-11-19 0:00 ` Shmuel (Seymour J.) Metz [this message]
-- strict thread matches above, loose matches on Subject: below --
1997-10-08 0:00 Marin David Condic, 561.796.8997, M/S 731-96
1997-10-09 0:00 ` Shmuel (Seymour J.) Metz
1997-09-03 0:00 Nasser
1997-09-03 0:00 ` Samuel Mize
[not found] ` <01bcb881$915526a0$d7000064@sim01.amst.co.at>
1997-09-03 0:00 ` Robert Munck
1997-09-05 0:00 ` Joachim Schroeer
1997-09-06 0:00 ` Robert Dewar
1997-09-24 0:00 ` Shmuel (Seymour J.) Metz
1997-09-08 0:00 ` Robert A Duff
1997-09-09 0:00 ` Robert Munck
1997-09-10 0:00 ` Robert A Duff
1997-09-10 0:00 ` Robert Munck
1997-09-11 0:00 ` Robert Dewar
1997-09-12 0:00 ` Robert A Duff
1997-09-18 0:00 ` Shmuel (Seymour J.) Metz
1997-09-19 0:00 ` Robert A Duff
1997-09-20 0:00 ` Robert Dewar
1997-09-20 0:00 ` Robert Dewar
1997-10-03 0:00 ` Robert I. Eachus
1997-09-20 0:00 ` Robert Dewar
1997-09-22 0:00 ` Robert A Duff
1997-09-12 0:00 ` Jon S Anthony
1997-09-10 0:00 ` Stephen Leake
1997-09-11 0:00 ` Roy Grimm
1997-09-12 0:00 ` Robert A Duff
1997-09-12 0:00 ` Jon S Anthony
1997-09-11 0:00 ` Robert Dewar
1997-09-12 0:00 ` Jon S Anthony
1997-09-12 0:00 ` Robert A Duff
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