%* glpk11.tex *%

\chapter{External Software Used In GLPK}

In the GLPK package there are used some external software listed in
this Appendix. Note that these software are {\it not} part of GLPK, but
are used with GLPK and included in the distribution.

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\section{AMD}

\noindent
AMD Version 2.2, Copyright {\copyright} 2007 by Timothy A. Davis,
Patrick R. Amestoy, and Iain S. Duff.  All Rights Reserved.

\para{Description}

AMD is a set of routines for pre-ordering sparse matrices prior to
Cholesky or LU factorization, using the approximate minimum degree
ordering algorithm.

\para{License}

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA.

Permission is hereby granted to use or copy this program under the
terms of the GNU LGPL, provided that the Copyright, this License,
and the Availability of the original version is retained on all
copies.  User documentation of any code that uses this code or any
modified version of this code must cite the Copyright, this License,
the Availability note, and ``Used by permission.''  Permission to
modify the code and to distribute modified code is granted, provided
the Copyright, this License, and the Availability note are retained,
and a notice that the code was modified is included.

AMD is available under alternate licences; contact T. Davis for
details.

\para{Availability}

\noindent
\url{http://www.cise.ufl.edu/research/sparse/amd}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\section{COLAMD/SYMAMD}

\noindent
COLAMD/SYMAMD Version 2.7, Copyright {\copyright} 1998-2007, Timothy A.
Davis, All Rights Reserved.

\para{Description}

colamd: an approximate minimum degree column ordering algorithm, for
LU factorization of symmetric or unsymmetric matrices, QR factorization,
least squares, interior point methods for linear programming problems,
and other related problems.

symamd: an approximate minimum degree ordering algorithm for Cholesky
factorization of symmetric matrices.

\para{Authors}

The authors of the code itself are Stefan I. Larimore and Timothy A.
Davis (davis at cise.ufl.edu), University of Florida.  The algorithm
was developed in collaboration with John Gilbert, Xerox PARC, and
Esmond Ng, Oak Ridge National Laboratory.

\para{License}

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA.

Permission is hereby granted to use or copy this program under the
terms of the GNU LGPL, provided that the Copyright, this License,
and the Availability of the original version is retained on all
copies.  User documentation of any code that uses this code or any
modified version of this code must cite the Copyright, this License,
the Availability note, and ``Used by permission.''  Permission to
modify the code and to distribute modified code is granted, provided
the Copyright, this License, and the Availability note are retained,
and a notice that the code was modified is included.

COLAMD is also available under alternate licenses, contact T. Davis for
details.

\para{Availability}

\noindent
\url{http://www.cise.ufl.edu/research/sparse/colamd}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%\newpage

\section{MiniSat}

\noindent
MiniSat-C v1.14.1, Copyright {\copyright} 2005, Niklas Sorensson.

\para{Description}

MiniSat is a minimalistic implementation of a Chaff-like SAT solver
based on the two-literal watch scheme for fast BCP and clause learning
by conflict analysis.

\newpage

\para{License}

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

\para{Availability}

\noindent
\url{http://www.cs.chalmers.se/Cs/Research/FormalMethods/MiniSat}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\section{zlib}

\noindent
zlib version 1.2.5, Copyright {\copyright} 1995--2010 Jean-loup Gailly
and Mark Adler.

\para{Description}

zlib is a general purpose data compression library. All the code is
thread safe. The data format used by the zlib library is described by
RFCs (Request for Comments) 1950 to 1952 in the files
\verb|rfc1950.txt| (zlib format), \verb|rfc1951.txt| (deflate format)
and \verb|rfc1952.txt| (gzip format).

\para{License}

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
   claim that you wrote the original software. If you use this software
   in a product, an acknowledgment in the product documentation would
   be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not
   be misrepresented as being the original software.

3. This notice may not be removed or altered from any source
   distribution.

\hfill Jean-loup Gailly

\hfill Mark Adler

\para{Availability}

\noindent
\url{http://www.zlib.net/}

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