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| From | Willem <willem@toad.stack.nl> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: C programming in 2011 |
| Date | 2011-05-26 17:53 +0000 |
| Organization | Stack Usenet News Service |
| Message-ID | <slrnitt4t5.2qh5.willem@toad.stack.nl> (permalink) |
| References | (1 earlier) <4dde5e06$0$20221$426a34cc@news.free.fr> <irlnd3$32t$1@solani.org> <4dde7054$0$5886$426a74cc@news.free.fr> <irm1re$316$1@solani.org> <slrnitt3qo.dfg.madcoder@apollon.madism.org> |
Pierre Habouzit wrote:
) On 2011-05-26, Branimir Maksimovic <bmaxa@hotmail.com> wrote:
)> On Thu, 26 May 2011 17:23:01 +0200
)> Francois Grieu <fgrieu@gmail.com> wrote:
)>
)>> On 26/05/2011 16:21, Branimir Maksimovic wrote:
)>> > On 05/26/2011 04:04 PM, Francois Grieu wrote:
)>> >> [3] some compilers know that, when j is an int,
)>> >> if (j<1 || j>8)
)>> >> foo();
)>> >> can be rewritten as
)>> >> if ((unsigned)j-1u>7u)
)>> >> foo();
)>> >
)>> > No, it can't.
)>>
)>> Would you please illustrate by an example when that does not stand?
)>
)> When j is in range [-8 , 0]
)
) C99 doesn't assure you both are equivalent.
Are you sure ? As far as I know, casting a signed integer to unsigned
is defined for negative numbers as being INT_MAX minus that number.
SaSW, Willem
--
Disclaimer: I am in no way responsible for any of the statements
made in the above text. For all I know I might be
drugged or something..
No I'm not paranoid. You all think I'm paranoid, don't you !
#EOT
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C programming in 2011 Duncan Bayne <dhgbayne@gmail.com> - 2011-05-25 20:27 -0700
Re: C programming in 2011 Shao Miller <sha0.miller@gmail.com> - 2011-05-25 22:33 -0500
Re: C programming in 2011 Duncan Bayne <dhgbayne@gmail.com> - 2011-05-25 20:58 -0700
Re: C programming in 2011 Duncan Bayne <dhgbayne@gmail.com> - 2011-05-25 21:06 -0700
Re: C programming in 2011 Shao Miller <sha0.miller@gmail.com> - 2011-05-25 23:24 -0500
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-26 07:51 +0000
Re: C programming in 2011 Chris H <chris@phaedsys.org> - 2011-05-26 11:15 +0100
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-05-26 06:53 -0400
Re: C programming in 2011 Ian Collins <ian-news@hotmail.com> - 2011-05-27 09:12 +1200
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-05-29 00:39 +0100
Re: C programming in 2011 Noob <root@127.0.0.1> - 2011-06-01 17:38 +0200
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-06-01 22:34 +0100
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-01 21:42 +0000
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-06-02 00:33 +0100
Re: C programming in 2011 Duncan Bayne <dhgbayne@gmail.com> - 2011-05-26 03:41 -0700
Re: C programming in 2011 Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-05-28 00:46 +0000
Re: C programming in 2011 Chad <cdalten@gmail.com> - 2011-05-26 14:09 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-26 15:07 -0700
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-27 07:42 +0000
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-05-27 07:30 -0400
Re: C programming in 2011 Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-05-29 01:15 +0300
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-28 22:24 +0000
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-28 16:08 -0700
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-28 23:47 +0000
Re: C programming in 2011 Geoff <geoff@invalid.invalid> - 2011-05-28 16:58 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-28 18:49 -0700
Re: C programming in 2011 Pierre Habouzit <madcoder@debian.org> - 2011-05-29 11:13 +0000
Re: C programming in 2011 Jorge <jorge@jorgechamorro.com> - 2011-06-04 08:05 -0700
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-04 16:20 +0000
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-05-29 14:35 +0100
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-29 12:49 -0700
OT: Brackets, parentheses, etc. (Was: C programming in 2011) Shao Miller <sha0.miller@gmail.com> - 2011-05-29 16:13 -0500
Re: OT: Brackets, parentheses, etc. (Was: C programming in 2011) "Morris Keesan" <mkeesan@post.harvard.edu> - 2011-05-30 12:17 -0400
Re: OT: Brackets, parentheses, etc. (Was: C programming in 2011) Shao Miller <sha0.miller@gmail.com> - 2011-05-30 12:52 -0500
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-05-29 23:58 +0100
Re: C programming in 2011 Chris H <chris@phaedsys.org> - 2011-05-30 14:42 +0100
Re: C programming in 2011 Nizumzen <chicken@mcnuggets.com> - 2011-05-30 17:40 +0100
Re: C programming in 2011 Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2011-05-30 22:38 +0200
Re: C programming in 2011 "J. J. Farrell" <jjf@bcs.org.uk> - 2011-05-30 00:38 +0100
Re: C programming in 2011 Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-05-30 11:14 +0300
Re: C programming in 2011 Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-05-29 06:55 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-28 18:47 -0700
Re: C programming in 2011 Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-05-30 15:02 +0300
Re: C programming in 2011 Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-05-30 11:01 +0300
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-30 08:51 +0000
Re: C programming in 2011 Nobody <nobody@nowhere.com> - 2011-05-31 01:54 +0100
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-05-31 12:00 +0000
Re: C programming in 2011 Seebs <usenet-nospam@seebs.net> - 2011-05-31 16:44 +0000
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-31 11:43 -0700
Re: C programming in 2011 Chris H <chris@phaedsys.org> - 2011-05-26 11:13 +0100
Re: C programming in 2011 Francois Grieu <fgrieu@gmail.com> - 2011-05-26 16:04 +0200
Re: C programming in 2011 Branimir Maksimovic <bmaxa@hotmail.com> - 2011-05-26 16:21 +0200
Re: C programming in 2011 Francois Grieu <fgrieu@gmail.com> - 2011-05-26 17:23 +0200
Re: C programming in 2011 Branimir Maksimovic <bmaxa@hotmail.com> - 2011-05-26 19:15 +0200
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-05-26 17:29 +0000
Re: C programming in 2011 Branimir Maksimovic <bmaxa@hotmail.com> - 2011-05-26 20:10 +0200
Re: C programming in 2011 Pierre Habouzit <madcoder@debian.org> - 2011-05-26 17:35 +0000
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-05-26 17:53 +0000
Re: C programming in 2011 Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-05-26 11:13 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-05-26 21:57 -0400
Re: C programming in 2011 Tim Rentsch <txr@alumni.caltech.edu> - 2011-05-31 01:13 -0700
Re: C programming in 2011 Branimir Maksimovic <bmaxa@hotmail.com> - 2011-05-26 20:06 +0200
Re: C programming in 2011 Ralf Damaschke <rwspam@gmx.de> - 2011-05-26 17:57 +0000
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-26 11:31 -0700
Re: C programming in 2011 Ralf Damaschke <rwspam@gmx.de> - 2011-05-26 20:43 +0000
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-26 14:53 -0700
Re: C programming in 2011 Tim Rentsch <txr@alumni.caltech.edu> - 2011-05-31 01:03 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-05-31 01:59 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-05-31 02:55 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-05-31 06:36 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-05-31 05:57 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-05-31 09:23 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-05-31 07:50 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-05-31 11:41 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 01:46 -0700
Re: C programming in 2011 Ike Naar <ike@iceland.freeshell.org> - 2011-06-01 10:07 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 04:12 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 07:46 -0700
Re: C programming in 2011 Seebs <usenet-nospam@seebs.net> - 2011-06-01 17:53 +0000
Re: C programming in 2011 lawrence.jones@siemens.com - 2011-06-01 16:28 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 23:28 -0700
Re: C programming in 2011 Uno <Uno@example.invalid> - 2011-06-09 21:24 -0600
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-01 10:04 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 08:21 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 09:37 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-01 12:55 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 11:52 -0700
Re: C programming in 2011 "J. J. Farrell" <jjf@bcs.org.uk> - 2011-06-02 00:00 +0100
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 23:19 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-01 12:53 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 11:55 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-01 08:41 -0700
Re: C programming in 2011 Noob <root@127.0.0.1> - 2011-06-01 17:12 +0200
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-01 09:28 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-01 08:38 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 01:00 -0700
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-06-02 09:13 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 02:52 -0700
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-06-02 11:41 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 05:53 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 06:49 -0700
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-06-02 14:18 +0000
Re: C programming in 2011 Seebs <usenet-nospam@seebs.net> - 2011-06-02 21:02 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 23:55 -0700
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-03 08:37 +0000
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-03 06:49 -0400
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-03 11:52 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-03 11:11 -0700
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-03 18:23 +0000
Re: C programming in 2011 Seebs <usenet-nospam@seebs.net> - 2011-06-03 18:59 +0000
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-03 19:48 +0000
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-03 15:02 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-03 12:19 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-03 13:40 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-03 15:11 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-03 15:24 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-03 15:34 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-03 17:10 -0700
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-03 17:34 -0700
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-04 09:47 -0400
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-02 10:02 -0400
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-02 12:17 +0000
Re: C programming in 2011 Keith Thompson <kst-u@mib.org> - 2011-06-02 08:48 -0700
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-02 10:35 -0700
Re: C programming in 2011 gordonb.jpem8@burditt.org (Gordon Burditt) - 2011-06-05 23:32 -0500
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-06 00:12 -0700
Re: C programming in 2011 gordonb.5k8u2@burditt.org (Gordon Burditt) - 2011-06-06 05:18 -0500
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-06 08:16 -0700
Re: C programming in 2011 Michael Press <rubrum@pacbell.net> - 2011-06-03 18:06 -0700
Re: C programming in 2011 gordonb.zourz@burditt.org (Gordon Burditt) - 2011-06-05 21:25 -0500
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-06 01:14 -0700
Re: C programming in 2011 gordonb.donaz@burditt.org (Gordon Burditt) - 2011-06-06 04:36 -0500
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-06 09:02 -0700
Re: C programming in 2011 gordonb.k6ruq@burditt.org (Gordon Burditt) - 2011-06-06 18:36 -0500
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-07 10:14 -0700
Re: C programming in 2011 "J. J. Farrell" <jjf@bcs.org.uk> - 2011-05-31 19:56 +0100
Re: C programming in 2011 Noob <root@127.0.0.1> - 2011-06-01 14:54 +0200
Re: C programming in 2011 Angel <angel+news@spamcop.net> - 2011-06-01 13:07 +0000
Re: C programming in 2011 pete <pfiland@mindspring.com> - 2011-06-01 14:10 -0400
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-01 19:58 -0400
Re: C programming in 2011 Willem <willem@toad.stack.nl> - 2011-06-01 09:07 +0000
Re: C programming in 2011 James Kuyper <jameskuyper@verizon.net> - 2011-06-01 09:29 -0400
Re: C programming in 2011 David Thompson <dave.thompson2@verizon.net> - 2011-06-07 02:18 -0400
Re: C programming in 2011 "Kleuskes & Moos" <kleuske@xs4all.nl> - 2011-06-07 09:31 -0700
Re: C programming in 2011 Patrick Scheible <kkt@zipcon.net> - 2011-06-09 14:55 -0700
Re: C programming in 2011 Tim Rentsch <txr@alumni.caltech.edu> - 2011-06-01 02:35 -0700
Re: C programming in 2011 Francois Grieu <fgrieu@gmail.com> - 2011-05-31 21:57 +0200
Re: C programming in 2011 Francois Grieu <fgrieu@gmail.com> - 2011-05-31 22:03 +0200
Re: C programming in 2011 Kenneth Brody <kenbrody@spamcop.net> - 2011-05-26 12:27 -0400
Re: C programming in 2011 Nobody <nobody@nowhere.com> - 2011-05-26 18:02 +0100
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