Copyright (c) 1996, 1997, 1998, 1999, 2002, 2014, 2015 by William R. Pearson
   and The Rector & Visitors of the University of Virginia */

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing,
   software distributed under this License is distributed on an "AS
   IS" BASIS, WITHOUT WRRANTIES OR CONDITIONS OF ANY KIND, either
   express or implied.  See the License for the specific language
   governing permissions and limitations under the License. 

   Code in the smith_waterman_sse2.c and smith_waterman_sse2.h files
   is copyright (c) 2006 by Michael Farrar.  Code in the
   global_sse2.c, global_sse2.h, glocal_sse2.c, and glocal_sse2.h
   files is copyright (c) 2010 by Michael Farrar.  This code has been
   released under the BSD open source license, see COPYRIGHT.sse2.