LICENSE.txt

Copyright (c) 2018, The Board of Trustees of the Leland Stanford Junior 
University, through SLAC National Accelerator Laboratory (subject to receipt 
of any required approvals from the U.S. Dept. of Energy). All rights reserved. 
Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:
 
(1) Redistributions of source code must retain the above copyright notice, 
    this list of conditions and the following disclaimer. 

(2) Redistributions in binary form must reproduce the above copyright notice, 
    this list of conditions and the following disclaimer in the documentation 
    and/or other materials provided with the distribution. 

(3) Neither the name of the Leland Stanford Junior University, SLAC National 
    Accelerator Laboratory, U.S. Dept. of Energy nor the names of its 
    contributors may be used to endorse or promote products derived from this 
    software without specific prior written permission. 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER, THE UNITED STATES GOVERNMENT, 
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
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OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

You are under no obligation whatsoever to provide any bug fixes, patches, or 
upgrades to the features, functionality or performance of the source code 
("Enhancements") to anyone; however, if you choose to make your Enhancements 
available either publicly, or directly to SLAC National Accelerator Laboratory, 
without imposing a separate written license agreement for such Enhancements, 
then you hereby grant the following license: a non-exclusive, royalty-free 
perpetual license to install, use, modify, prepare derivative works, incorporate
into other computer software, distribute, and sublicense such Enhancements or 
derivative works thereof, in binary and source code form.