Path: utzoo!utgpu!attcan!uunet!mcvax!philmds!leo
From: leo@philmds.UUCP (Leo de Wit)
Newsgroups: comp.unix.wizards
Subject: Faculty of 0 (was: Re: reentrant vs. non-reentrant code)
Summary: Small correction
Keywords: 1
Message-ID: <572@philmds.UUCP>
Date: 3 Aug 88 11:57:10 GMT
References: <1670001@hpcilzb.HP.COM> <3409@phri.UUCP> <4790@pasteur.Berkeley.EDU>
Reply-To: leo@philmds.UUCP (Leo de Wit)
Organization: Philips I&E DTS Eindhoven
Lines: 22

In article <4790@pasteur.Berkeley.EDU> anton@postgres.UUCP (Jeff Anton) writes:
|/* recursive and reentrant */
|unsigned
|fact1(i)
|unsigned i;
|{
|	if (i < 3)
|		return(i);
|	return (i*fact1(i-1));
|}

And roy@phri.UUCP (Roy Smith) writes in his article:
|	fact (i)
|	int i;
|	{
|		return (i<2 ? i : i*fact(i-1));
|	}

Both are obviously implementing a faculty function; note that the faculty
of 0 is 1, not 0.

                   Leo.