====================
Overall license:

The files in the package, excluding those in the inst/include, are released under GNU GPL (>= 3).

The aggregation, integration and packaging work is released under GNU GPL (>= 3).

====================
Detailed license for files in inst/include:

The files are part of SPAMS (SPArse Modeling Software).  http://thoth.inrialpes.fr/people/mairal/spams/

The files are modified minimally by Yi Lian for this package (sox) to meet the CRAN requirements.

"SPAMS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

SPAMS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with SPAMS. If not, see <http://www.gnu.org/licenses/>."

====================
Files inst/include/:

dictLearn/arch.h	Software SPAMS v2.5 - Copyright 2009-2014 Julien Mairal
				toolbox arch
				by Yuansi Chen - yuansi.chen@berkeley.edu
dictLearn/dicts.h	Software SPAMS v2.1 - Copyright 2009-2011 Julien Mairal
				toolbox dictLearn
 				by Julien Mairal - julien.mairal@inria.fr
decomp/decomp.h		Software SPAMS v2.2 - Copyright 2009-2011 Julien Mairal
				toolbox decomp
 				by Julien Mairal - julien.mairal@inria.fr
decomp/lsqsplx.h	Software SPAMS v2.5 - Copyright 2009-2014 Julien Mairal
				toolbox lsqsplx
				by Yuansi Chen - yuansi.chen@berkeley.edu
decomp/projsplx.h	Software SPAMS v2.5 - Copyright 2009-2014 Julien Mairal
				toolbox projsplx
				by Yuansi Chen - yuansi.chen@berkeley.edu
linalg/linalg.h		Software SPAMS v2.1 - Copyright 2009-2011 Julien Mairal
				toolbox Linalg
 				by Julien Mairal - julien.mairal@inria.fr
linalg/list.h		Software SPAMS v2.1 - Copyright 2009-2011 Julien Mairal
prox/fista.h		Software SPAMS v2.1 - Copyright 2009-2011 Julien Mairal
prox/project.h		Software SPAMS v2.1 - Copyright 2009-2011 Julien Mairal
prox/surrogate.h	Software SPAMS v2.4 - Copyright 2009-2013 Julien Mairal