TANGO Project

License:

All the TANGO Project components are 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 2 of the
License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. You can also find
the GPL on the GNU web site.

Non-free versions of TANGO are available under terms different from
those of the General Public License. Professors J. M. Mart�nez
(martinez@ime.unicamp.br, martinezimecc@gmail.com) or E. G. Birgin
(egbirgin@ime.usp.br, egbirgin@gmail.com) should be contacted for more
information related to such a license, future developments and/or
technical support.

In addition, we kindly ask you to acknowledge the TANGO Project and its
authors in any program or publication in which you use of the TANGO
Project components. For published works that use ALGENCAN we suggest
referencing:

R. Andreani, E. G. Birgin, J. M. Mart�nez and M. L. Schuverdt, "On
Augmented Lagrangian methods with general lower-level constraints",
SIAM Journal on Optimization 18, pp. 1286-1309, 2007.

R. Andreani, E. G. Birgin, J. M. Mart�nez and M. L. Schuverdt,
"Augmented Lagrangian methods under the Constant Positive Linear
Dependence constraint qualification", Mathematical Programming 111,
pp. 5-32, 2008

For published works that use GENCAN we suggest referencing:

E. G. Birgin and J. M. Mart�nez, "Large-scale active-set
box-constrained optimization method with spectral projected gradients",
Computational Optimization and Applications 23, pp. 101-125, 2002.

M. Andretta, E. G. Birgin and J. M. Mart�nez, "Practical active-set
Euclidian trust-region method with spectral projected gradients for
bound-constrained minimization", Optimization 54, pp. 305-325, 2005.

E. G. Birgin and J. M. Mart�nez, "A box-constrained optimization
algorithm with negative curvature directions and spectral projected
gradients", Computing [Suppl] 15, pp. 49-60, 2001.

For published works that use SPG we suggest referencing:

E. G. Birgin, J. M. Mart�nez and M. Raydan, "Nonmonotone spectral
projected gradient methods on convex sets", SIAM Journal on
Optimization 10, pp. 1196-1211, 2000.

E. G. Birgin, J. M. Mart�nez and M. Raydan, "Algorithm 813: SPG -
software for convex-constrained optimization", ACM Transactions on
Mathematical Software 27, pp. 340-349, 2001.

(See also other related works in the TANGO Project home page:

http://www.ime.usp.br/~egbirgin/tango/)