Add LBNL variant of the BSD-3 license and copyright notice to the mai…

…n source file.

Source/main.cpp

@@ -1,3 +1,21 @@
+/*
+    Emu Copyright (c) 2021, The Regents of the University of California,
+    through Lawrence Berkeley National Laboratory (subject to receipt of
+    any required approvals from the U.S. Dept. of Energy) and University
+    of California, Berkeley.  All rights reserved.
+
+    If you have questions about your rights to use or distribute this software,
+    please contact Berkeley Lab's Intellectual Property Office at
+    IPO@lbl.gov.
+
+    NOTICE.  This Software was developed under funding from the U.S. Department
+    of Energy and the U.S. Government consequently 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.
+*/
+
 #include <iostream>
 #include <ctime>
 

license.txt

@@ -0,0 +1,47 @@
+SOURCE CODE LICENSE AGREEMENT
+
+Emu Copyright (c) 2021, The Regents of the University of California,
+through Lawrence Berkeley National Laboratory (subject to receipt of
+any required approvals from the U.S. Dept. of Energy) and University
+of California, Berkeley.  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 University of California, Lawrence Berkeley
+National Laboratory, U.S. Dept. of Energy and University of California,
+Berkeley. 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 OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 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 Lawrence Berkeley
+National 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.
+