BSD 3-clause license.

Copyright (c) 2007 Dell, Inc.

1. Permission is hereby granted, without written agreement and without
   license or royalty fees, to use, copy, modify, and distribute this
   software and its documentation for any purpose, provided that (1)
   The above copyright notice and the following two paragraphs appear
   in all copies of the source code and (2) redistributions including
   binaries reproduces these notices in the supporting documentation.
   Substantial modifications to this software may be copyrighted by
   their authors and need not follow the licensing terms described
   here, provided that the new terms are clearly indicated in all
   files where they apply.
  
2. IN NO EVENT SHALL THE AUTHOR, THE UNIVERSITY OF CALIFORNIA, THE
   UNIVERSITY OF UTAH OR DISTRIBUTORS OF THIS SOFTWARE BE LIABLE TO
   ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
   CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND
   ITS DOCUMENTATION, EVEN IF THE AUTHORS OR ANY OF THE ABOVE PARTIES
   HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
3. THE AUTHOR, THE UNIVERSITY OF CALIFORNIA, AND THE UNIVERSITY OF
   UTAH SPECIFICALLY DISCLAIM ANY WARRANTIES,INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN
   "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION
   TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
   MODIFICATIONS.
