Copyright (c) 2010-2018 Julien Lesgourgues, Thomas Tram, Benjamin
Audren, Simon Prunet, Jesus Torrado, Miguel Zumalacarregui, Francesco
Montanari, et al. (see AUTHORS for more details).

You may freely use, modify, distribute and/or distribute modified
copies of these files under the GNU GPL license version 3 or any later
version as detailed in the file LICENSE (see
https://www.gnu.org/licenses/quick-guide-gplv3.html).
