From: Shark8 <onewingedshark@gmail.com>
Subject: Re: Tests in a software release
Date: Fri, 17 Nov 2017 07:45:49 -0800 (PST)
Date: 2017-11-17T07:45:49-08:00 [thread overview]
Message-ID: <12f75e44-f61b-4b59-ab82-3ae9b151f0be@googlegroups.com> (raw)
In-Reply-To: <oul0ra$jee$1@dont-email.me>
On Thursday, November 16, 2017 at 2:44:12 PM UTC-7, G.B. wrote:
>
> On the contrary: you write the contract's clauses of
> all parties to your compiler and then, once you
> know your code meets the requirements of the contracts,
> you drop checking code accordingly ("optimize") and in
> good conscience.
>
> if X /= X or else X /= X then
>
> -- what, at compile time,
> -- for which which kind of X?
IEEE754's NaN would yield true in that case, so you can't simply optimize that away, you'd have to do some analysis of the "="/"/=" operator.
next prev parent reply other threads:[~2017-11-17 15:45 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-25 19:30 Tests in a software release Victor Porton
2017-10-26 7:20 ` Dmitry A. Kazakov
2017-10-27 18:06 ` G. B.
2017-10-27 18:54 ` Dmitry A. Kazakov
2017-10-28 6:53 ` G.B.
2017-10-28 7:35 ` Dmitry A. Kazakov
2017-10-30 20:44 ` G. B.
2017-10-30 20:56 ` Dmitry A. Kazakov
2017-10-31 7:17 ` G.B.
2017-10-31 8:32 ` Dmitry A. Kazakov
2017-11-03 7:24 ` G.B.
2017-11-03 8:16 ` Dmitry A. Kazakov
2017-11-03 12:49 ` Shark8
2017-11-04 10:15 ` G.B.
2017-11-15 0:11 ` Randy Brukardt
2017-11-15 17:57 ` G. B.
2017-11-15 20:46 ` Dmitry A. Kazakov
2017-11-17 15:36 ` Shark8
2017-11-15 22:17 ` Randy Brukardt
2017-11-16 21:44 ` G.B.
2017-11-17 0:15 ` Randy Brukardt
2017-11-17 15:45 ` Shark8 [this message]
2017-11-18 1:07 ` Randy Brukardt
2017-11-15 0:06 ` Randy Brukardt
2017-11-15 8:47 ` Dmitry A. Kazakov
2017-11-15 21:53 ` Randy Brukardt
2017-11-15 16:47 ` Jeffrey R. Carter
2017-11-15 16:59 ` J-P. Rosen
2017-11-15 20:45 ` Dmitry A. Kazakov
2017-11-15 21:58 ` Randy Brukardt
2017-11-16 5:50 ` J-P. Rosen
2017-11-16 23:53 ` Randy Brukardt
2017-11-15 0:01 ` Randy Brukardt
2017-11-16 17:02 ` Robert Eachus
2017-11-17 0:20 ` Randy Brukardt
2017-11-22 20:40 ` Robert Eachus
2017-11-14 23:55 ` Randy Brukardt
2017-10-26 8:09 ` Stefan.Lucks
2017-10-26 17:30 ` Simon Clubley
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