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From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: % operator with negatives
Message-ID: <14722@smoke.brl.mil>
Date: 12 Dec 90 20:40:18 GMT
References: <1990Dec12.185714.7169@mp.cs.niu.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 8

In article <1990Dec12.185714.7169@mp.cs.niu.edu> t901908@mp.cs.niu.edu (Joe Adamo) writes:
>I know this may sound silly, but what is the effect of using the 
>% (mod) operator with negatives?  I can't seem to find any info on it.

Two things:  % is NOT a modulo operator; it's a remainder operator, which
is not the same thing.  Also, for negative operands there are implementation-
dependent aspects to the result obtained; in most applications you should
avoid using negative operands.