The routines in this directory have been excerpted from the HEALPix library,
available at:

http://healpix.jpl.nasa.gov/

and described in K.M. Gorski et al., 2005, Ap.J., 622, p.759.

HEALPix is distributed under the terms of GPLv2 or later.  Please see the
COPYING and READ_Copyrights_Licenses.txt files in this directory.
