Path: utzoo!attcan!uunet!lll-winken!ames!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.sys.apple
Subject: Re: AE, Mandelbrot generator
Keywords: mandelbrot
Message-ID: <12095@smoke.BRL.MIL>
Date: 8 Feb 90 03:56:58 GMT
References: <9002071850.AA29665@en.ecn.purdue.edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 7

In article <9002071850.AA29665@en.ecn.purdue.edu> eldorado@EN.ECN.PURDUE.EDU (David D Jansen) writes:
>Could someone with fractal experience tell me why I get weird data.  It gets
>the basic shape but not quite right.

That's easy -- in computing z.b you're using the NEW value of z.a but
you should be using the OLD value.  Use a temporary variable to keep
from clobbering the old data until you're done with it.