Copyright (c) 2018, Texas Advanced Computing Center
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Redistribution and use in source and binary forms, with or without
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* Redistributions of source code must retain the above copyright notice, this
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* Redistributions in binary form must reproduce the above copyright notice,
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* Neither the name of the University of Texas at Austin nor the names of its
  contributors may be used to endorse or promote products derived from
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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NOTICE. This Software was developed under funding from the U.S. Government. 
Consequenty, the U.S. Government retains certain rights. As such, the U.S. 
Government has been granted for itself and others acting on its behalf a 
paid-up, nonexclusive, irrevocable, worldwide license in the Software to 
reproduce, distribute copies to the public, prepare derivative works, and 
perform publicly and display publicly, and to permit others to do so.