From: Martin <martin.dowie@btopenworld.com>
Subject: Re: Fun with C
Date: Mon, 25 Apr 2011 05:12:39 -0700 (PDT)
Date: 2011-04-25T05:12:39-07:00 [thread overview]
Message-ID: <b2ba1c0b-22d0-4614-83a7-40fc42bf0b83@e8g2000vbz.googlegroups.com> (raw)
In-Reply-To: 4db55433$0$6771$9b4e6d93@newsspool3.arcor-online.net
On Apr 25, 12:00 pm, Georg Bauhaus <rm.dash-bauh...@futureapps.de>
wrote:
> On 4/25/11 1:06 PM, Paul Colin Gloster wrote:
>
> > It was suspected in John R. Anderson; and Robin Jeffries, "Novice LISP
> > Errors: Undetected Losses of Information from Working Memory",
> > "Human-Computer Interaction", Volume 1, 1985 that people can
> > successfully learn to overcome minor problems, but when they later are
> > trying to solve harder problems then they make simple mistakes which
> > they had already learnt to not make.
>
> The impact of typos and other glitches seems a most interesting criterion
> for error classification and how a language facilitates ease of checking.
>
> > Anyway, the C example explicitly involved int and unsigned int and
> > there is no guarantee that int is signed int though it is with
> > many compilers.
>
> That int is signed is defined by the language C, I think.
> C99, § 6.2.5
Keep reading:
C99, §6.7.2
"5. Each of the comma-separated sets designates the same type, except
that for bit-fields, it is implementation-defined whether the
specifier int designates the same type as signed int or the same type
as unsigned int."
Now, I can see at least 2 ways this could be read...the imp-def
appears to be imp-def! ;-)
-- Martin
next prev parent reply other threads:[~2011-04-25 12:12 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-16 17:02 Fun with C George P.
2011-04-16 20:04 ` Nasser M. Abbasi
2011-04-16 21:12 ` Ludovic Brenta
2011-04-16 21:42 ` jimmaureenrogers
2011-04-17 7:17 ` Georg Bauhaus
2011-04-17 8:29 ` Martin
2011-04-17 18:19 ` George P.
2011-04-17 8:40 ` Georg Bauhaus
2011-04-18 1:04 ` Peter C. Chapin
2011-04-18 2:14 ` George P.
2011-04-16 22:03 ` George P.
2011-04-17 6:26 ` KK6GM
2011-04-17 6:59 ` Georg Bauhaus
2011-04-17 16:15 ` KK6GM
2011-04-17 19:35 ` Elias Salomão Helou Neto
2011-04-17 20:18 ` KK6GM
2011-04-18 19:47 ` Elias Salomão Helou Neto
2011-04-18 22:11 ` Peter C. Chapin
2011-04-17 22:26 ` Georg Bauhaus
2011-04-18 19:12 ` Elias Salomão Helou Neto
2011-04-18 20:56 ` KK6GM
2011-04-18 21:01 ` Georg Bauhaus
2011-04-18 21:20 ` Nasser M. Abbasi
2011-04-19 2:43 ` George P.
2011-04-19 18:05 ` Vinzent Hoefler
2011-04-19 19:34 ` George P.
2011-04-19 20:08 ` Georg Bauhaus
2011-04-19 1:10 ` Elias Salomão Helou Neto
2011-04-19 14:28 ` Georg Bauhaus
2011-04-19 17:40 ` Jeffrey Carter
2011-04-21 14:52 ` Elias Salomão Helou Neto
2011-04-21 18:58 ` Georg Bauhaus
2011-04-21 19:27 ` Hyman Rosen
2011-04-28 5:13 ` David Thompson
2011-04-28 13:41 ` Hyman Rosen
2011-05-05 8:39 ` David Thompson
2011-04-25 11:06 ` Paul Colin Gloster
2011-04-25 11:00 ` Georg Bauhaus
2011-04-25 12:12 ` Martin [this message]
2011-04-25 18:39 ` Paul Colin Gloster
2011-05-08 23:41 ` wilso
2011-05-20 10:41 ` Yannick Duchêne (Hibou57)
2011-05-20 16:04 ` Yannick Duchêne (Hibou57)
2011-04-18 0:12 ` George P.
2011-04-18 19:24 ` Elias Salomão Helou Neto
2011-04-19 1:22 ` George P.
2011-04-19 2:06 ` Elias Salomão Helou Neto
2011-04-19 2:37 ` Bill Findlay
2011-04-19 3:00 ` George P.
2011-04-17 19:19 ` Elias Salomão Helou Neto
2011-04-17 23:26 ` Gautier write-only
2011-04-17 23:43 ` Nasser M. Abbasi
2011-04-18 19:16 ` Elias Salomão Helou Neto
2011-04-18 23:10 ` Randy Brukardt
2011-04-19 1:36 ` Elias Salomão Helou Neto
2011-04-20 23:14 ` Randy Brukardt
2011-04-21 16:19 ` Elias Salomão Helou Neto
2011-04-21 17:36 ` Dmitry A. Kazakov
2011-04-21 17:43 ` Hyman Rosen
2011-04-21 19:44 ` Dmitry A. Kazakov
2011-04-22 6:16 ` Elias Salomão Helou Neto
2011-04-22 9:21 ` Dmitry A. Kazakov
2011-04-22 13:18 ` Hyman Rosen
2011-04-22 15:17 ` Dmitry A. Kazakov
2011-04-23 2:08 ` Elias Salomão Helou Neto
2011-04-23 7:23 ` Dmitry A. Kazakov
2011-04-23 9:42 ` Georg Bauhaus
2011-04-23 10:23 ` Dmitry A. Kazakov
2011-04-23 18:37 ` Elias Salomão Helou Neto
2011-04-23 21:36 ` Dmitry A. Kazakov
2011-04-24 11:27 ` Peter C. Chapin
2011-04-24 13:53 ` Dmitry A. Kazakov
2011-04-24 19:07 ` Nasser M. Abbasi
2011-04-24 19:46 ` Dmitry A. Kazakov
2011-04-24 21:20 ` Nasser M. Abbasi
2011-04-24 22:33 ` Elias Salomão Helou Neto
2011-04-25 7:09 ` Dmitry A. Kazakov
2011-04-25 20:46 ` Maciej Sobczak
2011-04-25 21:19 ` George P.
2011-04-26 6:18 ` Dmitry A. Kazakov
2011-04-26 6:58 ` Nasser M. Abbasi
2011-04-26 8:39 ` Dmitry A. Kazakov
2011-04-26 20:57 ` Maciej Sobczak
2011-04-27 8:00 ` Dmitry A. Kazakov
2011-04-27 8:19 ` Georg Bauhaus
2011-04-27 9:32 ` Dmitry A. Kazakov
2011-04-28 7:02 ` Maciej Sobczak
2011-04-28 7:41 ` Dmitry A. Kazakov
2011-04-28 10:24 ` Peter C. Chapin
2011-04-28 13:56 ` Dmitry A. Kazakov
2011-05-03 1:19 ` Nasser M. Abbasi
2011-05-03 6:05 ` J-P. Rosen
2011-05-03 6:15 ` Ludovic Brenta
2011-05-03 7:43 ` Dmitry A. Kazakov
2011-05-03 15:34 ` Bill Findlay
2011-05-03 7:53 ` Georg Bauhaus
2011-05-03 9:29 ` Simon Wright
2011-04-24 22:23 ` Elias Salomão Helou Neto
2011-04-25 7:10 ` Dmitry A. Kazakov
2011-04-24 20:37 ` Georg Bauhaus
2011-04-23 15:23 ` George P.
2011-04-23 17:28 ` Nasser M. Abbasi
2011-04-23 17:52 ` Dmitry A. Kazakov
2011-04-23 18:11 ` Nasser M. Abbasi
2011-04-23 20:47 ` George P.
2011-04-24 11:36 ` Peter C. Chapin
2011-04-25 11:43 ` Paul Colin Gloster
2011-04-23 16:56 ` Nasser M. Abbasi
2011-04-23 18:45 ` Elias Salomão Helou Neto
2011-04-22 12:15 ` J-P. Rosen
2011-04-22 14:56 ` Niklas Holsti
2011-04-21 23:29 ` Randy Brukardt
2011-04-22 6:29 ` Elias Salomão Helou Neto
2011-04-25 11:22 ` Paul Colin Gloster
2011-04-18 19:13 ` Elias Salomão Helou Neto
2011-04-20 5:11 ` J-P. Rosen
2011-04-20 15:45 ` KK6GM
2011-04-20 19:04 ` Vinzent Hoefler
2011-04-20 21:09 ` Georg Bauhaus
2011-04-20 22:52 ` Vinzent Hoefler
2011-04-21 14:18 ` Elias Salomão Helou Neto
2011-04-21 16:22 ` Vinzent Hoefler
2011-04-21 19:25 ` John B. Matthews
2011-04-23 23:07 ` Gerd
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