39 lines
1.4 KiB
ReStructuredText
39 lines
1.4 KiB
ReStructuredText
LAMMPS open-source license
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LAMMPS is a freely-available open-source code, distributed under the
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terms of the `GNU Public License <gnu_>`_, which means you can use or
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modify the code however you wish.
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LAMMPS comes with no warranty of any kind. As each source file states
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in its header, it is a copyrighted code that is distributed free-of-
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charge, under the terms of the `GNU Public License <gnu_>`_ (GPL). This
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is often referred to as open-source distribution - see
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`www.gnu.org <gnuorg_>`_ or `www.opensource.org <opensource_>`_. The legal
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text of the GPL is in the LICENSE file included in the LAMMPS
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distribution.
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.. _gnu: http://www.gnu.org/copyleft/gpl.html
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.. _gnuorg: http://www.gnu.org
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.. _opensource: http://www.opensource.org
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Here is a summary of what the GPL means for LAMMPS users:
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(1) Anyone is free to use, modify, or extend LAMMPS in any way they
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choose, including for commercial purposes.
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(2) If you distribute a modified version of LAMMPS, it must remain
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open-source, meaning you distribute it under the terms of the GPL.
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You should clearly annotate such a code as a derivative version of
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LAMMPS.
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(3) If you release any code that includes LAMMPS source code, then it
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must also be open-sourced, meaning you distribute it under the terms
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of the GPL.
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(4) If you give LAMMPS files to someone else, the GPL LICENSE file and
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source file headers (including the copyright and GPL notices) should
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remain part of the code.
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