 <hr> Copyright 1996 HPCwire. Redistribution of this article is forbidden by  law without the expressed written consent of the publisher. For a free trial  subscription to HPCwire, send e-mail to <a href="http://www.cs.utexas.edu/users/code/trial@hpcwire.tgc.com">trial@hpcwire.tgc.com</a>.        <hr> <center> <a href="http://www.cs.utexas.edu/users/code"><img border=0 src="http://www.cs.utexas.edu/users/code/code-icon-trim.gif"></a>  <b> <FONT SIZE="-1"><address><A HREF="mailto:emery@cs.utexas.edu">emery@cs.utexas.edu</A> /  <!-- Created: Tue Oct  8 11:11:41 CDT 1996 --> <!-- hhmts start --> Last modified: Tue Oct  8 18:25:25 CDT  <!-- hhmts end --> </address> </FONT> </b> </center>    </body> </html>
