Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!elroy.jpl.nasa.gov!ncar!hsdndev!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.lang.c
Subject: Re: % operator with negatives
Message-ID: <2620:Dec1618:38:4490@kramden.acf.nyu.edu>
Date: 16 Dec 90 18:38:44 GMT
References: <18140@neptune.inf.ethz.ch> <1990Dec14.064305.4491@dirtydog.ima.isc.com> <1990Dec14.153706.14688@math.lsa.umich.edu>
Organization: IR
Lines: 9

In article <1990Dec14.153706.14688@math.lsa.umich.edu> kevin@math.lsa.umich.edu (Kevin Coombes) writes:
> f you know what types you're working with and you're worried about what
> happens with negatives, you can always use the following function, which
> is guaranteed to return an answer between 0 and p-1.

No, it is not. If, for instance, a is -p and p is positive, your
function will return p.

---Dan