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| From | James Kuyper <jameskuyper@verizon.net> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Method to test a program against different C implementations |
| Date | 2012-03-11 10:43 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <jjidmr$sbl$1@dont-email.me> (permalink) |
| References | <jji27a$d4e$1@nnrp.ngi.it> <jji6up$68s$1@online.de> <4F5CB0C8.2C88@mindspring.com> |
On 03/11/2012 10:03 AM, pete wrote:
> Joachim Schmitz wrote:
>>
>> pozz wrote:
>>> We perfectly know that C implementations can be very different in
>>> terms of:
...
>>> - negative number implementation (two's or one's complement)
>
>
> #include <stdio.h>
>
> fputs("Negative numbers are ", stdout);
> switch (-1 & 3) {
> case 1: puts ("sign and magnitude.");
> break;
> case 2: puts ("one's complement.");
> break;
> case 3 : puts("two's complement.");
> break;
> default : puts("something strange.");
> break;
It's not merely strange, it's non-conforming - those are the only three
options permitted by the standard.
> }
--
James Kuyper
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Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-11 12:27 +0100
Re: Method to test a program against different C implementations "Joachim Schmitz" <nospam.jojo@schmitz-digital.de> - 2012-03-11 13:48 +0100
Re: Method to test a program against different C implementations pete <pfiland@mindspring.com> - 2012-03-11 09:03 -0500
Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-11 10:43 -0400
Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-11 09:08 -0400
Re: Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-11 22:12 +0100
Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-11 17:44 -0400
Re: Method to test a program against different C implementations Don Y <this@isnotme.com> - 2012-03-11 09:39 -0700
Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-15 22:09 +0000
Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-15 18:32 -0400
Re: Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-17 16:26 +0100
Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-17 11:52 -0400
Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-15 20:31 -0400
Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-20 22:18 +0000
Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-20 22:38 -0400
Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-22 21:48 +0000
Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-22 18:39 -0400
Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-22 21:07 -0400
Re: Method to test a program against different C implementations Robert Miles <robertmilesxyz@gmail.com> - 2012-03-15 17:41 -0700
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