Licence
~~~~~~~

``BeAR`` is released under the GNU Public Licence (GPL) 3.0. That
means, it can be freely copied, edited, and re-distributed. If the code
is re-distributed it has to be released under at least a GPL 3.0 licence
as well. The full licence of ``BeAR`` can be found in the repository
(``LICENSE`` file) or under https://www.gnu.org/licenses/gpl-3.0.html.

This user guide is released under the Creative Commons Licence (CC BY
SA). Licensees may copy and distribute the work and make derivative
works based on it only if they give the authors the credits by providing
a reference to the original guide and the corresponding GitHub
repository. Licensees may also distribute derivative works only under a
license identical to ("not more restrictive than") the license that
governs the original work.

The ``BeAR`` repository also links to additional open-source codes:
  * the equilibrium chemistry ``FastChem`` (https://github.com/newstrangeworlds/fastchem) 
  * the ``MultiNest`` nested-sampling code (https://github.com/farhanferoz/MultiNest)
  * the C++ ``Boost`` library (https://github.com/boostorg/)
  * the ``CDisort`` discrete ordinate radiative transfer (included in this repository)

``FastChem`` and ``CDisort`` are released under the GPL 3.0 licence as well. ``MultiNest`` and ``Boost`` use their own open-source licences.