This directory contains a sample parallelization of the Barnes-Hut
N-body code that we obtained off of the web
(ftp://hubble.ifa.hawaii.edu/pub/barnes/treecode/code_c.tar.Z).  The
file CHANGES contains a synopsis of the changes made to the serial
code.

To make the Barnes-Hut executable (named `code'), type

   make

To run the code serially on a sample problem size, type

   code < sample-input

To run the code on 8 processes, type

   code -nproc 8 < sample-input

