UMFPACK Version 5.0, Copyright 1995-2006 by Timothy A. Davis.
  All Rights Reserved.
  UMFPACK is available under alternate licenses, contact T. Davis for details.
  
  UMFPACK License:
  
      Your use or distribution of UMFPACK or any modified version of
      UMFPACK implies that you agree to this License.
  
      This library is free software; you can redistribute it and/or
      modify it under the terms of the GNU Lesser General Public
      License as published by the Free Software Foundation; either
      version 2.1 of the License, or (at your option) any later version.
  
      This library is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Lesser General Public License for more details.
  
      You should have received a copy of the GNU Lesser General Public
      License along with this library; if not, write to the Free Software
      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
      USA
  
      Permission is hereby granted to use or copy this program under the
      terms of the GNU LGPL, provided that the Copyright, this License,
      and the Availability of the original version is retained on all copies.
      User documentation of any code that uses this code or any modified
      version of this code must cite the Copyright, this License, the
      Availability note, and "Used by permission." Permission to modify
      the code and to distribute modified code is granted, provided the
      Copyright, this License, and the Availability note are retained,
      and a notice that the code was modified is included.
  
  Availability:
  
      http://www.cise.ufl.edu/research/sparse/umfpack