To uncompress and untar the files:

gunzip sphere.tar.gz
tar -xvf sphere.tar

This will leave you with three files:

README		this file
sphere.c:	generate random points on a sphere (or ellipsoid)
cube.c:		generate random points in a cube (or box)
spiral.c:	generate points uniformly distribted on a sphere (or ellipsoid)

To compile them under Unix:

make sphere:	compiles sphere.c
make cube:	compiles cube.c
make spiral:	compiles spiral.c

Questions to [email protected]