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From: Thomas Wolf <t_wolf@angelfire.com>
Newsgroups: comp.lang.ada
Subject: Re: Zeller's Algorithm
Date: Fri, 2 Aug 2002 09:21:07 +0200
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Date: 2002-08-02T09:21:07+02:00
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NOSPAM.lhota.adarose@verizon.net wrote:
> > This may be a problem in languages
> > such as C, where e.g. -30 % 7 = -2.
> 
> Actually, the C standard does not require that (-30) % 7 == (-2). 

In the new 1999 ISO C standard (ISO/IEC 9899:1999), it *is* required.
In the superseded ISO/IEC 9899:1990 C standard, the result was 
implementation-defined, either -2 or 5.

-- 
-----------------------------------------------------------------
Thomas Wolf                          e-mail: t_wolf@angelfire.com