Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: igraph
Source: https://github.com/igraph/igraph/releases
Files-Excluded:
 msvc
 vendor/plfit
 vendor/mini-gmp
 vendor/lapack
 vendor/glpk
 vendor/f2c
 src/f2c.h
 doc/html/*.html
 doc/html/stamp

Files: *
Copyright:
 2005-2026 The igraph development team:
  Gabor Csardi <csardi.gabor@gmail.com>,
  Tamas Nepusz <ntamas@gmail.com>,
  Szabolcs Horvat <szhorvat@gmail.com>,
  Vincent Traag <v.a.traag@cwts.leidenuniv.nl>, and
  Fabio Zanini <fabio.zanini@unsw.edu.au>
License: GPL-2+

Files:
 vendor/cs/cs.h
 vendor/cs/*.c
Copyright: 2006 Timothy A. Davis <http://www.suitesparse.com>
License: LGPL-2.1+
Comment:
 Original material modified by the igraph development team
 as outlined in the header of the C header `cs.h'.

Files: vendor/infomap/*
Copyright:
 2020-2026 The Infomap development team <https://mapequation.org>:
  Daniel Edler
	Anton Holmgren
	Marti Rosvall
License: GPL-3+
Comment:
 Original material very slightly modified by the igraph development team
 only in order to introduce their own RNG in `Random.h' (in src/utils).

Files: vendor/nanoflann/nanoflann.hpp
Copyright:
 2011-2026  Jose Luis Blanco <joseluisblancoc@gmail.com>
 2008-2009  David G. Lowe <lowe@cs.ubc.ca>
 2008-2009  Marius Muja <mariusm@cs.ubc.ca>
License: BSD-2-clause

Files:
 vendor/pcg/*.h
 vendor/pcg/*.c
Copyright: 2014-2019 Melissa O'Neill <oneill@pcg-random.org>
License: Apache-2.0 or MIT

Files: vendor/qhull/*
Copyright: 1993-2020 University of Minnesota <qhull@qhull.org>
License: Qhull

Files: src/games/degree_sequence_vl/*
Copyright: 2006 Fabien Viger
License: GPL-2+

Files:
 src/isomorphism/bliss/*.hh
 src/isomorphism/bliss/*.cc
Copyright: 2003-2026 Tommi Junttila
License: LGPL-3

Files: src/layout/drl/*
Copyright: 2007 Sandia Corporation.
License: BSD-3-clause
 Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
 the U.S. Government retains certain rights in this software.

Files:
 src/cliques/cliquer/cliquer.c
 src/cliques/cliquer/cliquer_graph.c
 src/cliques/cliquer/reorder.c
 src/cliques/cliquer/set.h
Copyright: 2002 Sampo Niskanen and Patric Östergård
License: GPL-2+

Files: src/hrg/hrg_types.cc
Copyright: 2004-2008 Aaron Clauset
License: GPL-2+

Files: src/core/psumtree.c
Copyright:
 2006 Elliot Paquette <Elliot.Paquette05@kzoo.edu>
 2006-2012, Gabor Csardi
License: GPL-2+

Files: tests/unit/ring.c
Copyright:
 2006-2012, Gabor Csardi
 2011 Minh Van Nguyen <nguyenminh2@gmail.com>
License: GPL-2+

Files: src/internal/qsort.c
Copyright: 1992-1993 The Regents of the University of California.
License: BSD-4-clause

Files: src/internal/qsort_r.c
Copyright: 2002 Garrett A. Wollman
License: public-domain
 This file is in the public domain.

Files:
 etc/cmake/GetGitRevisionDescription.cmake
 etc/cmake/GetGitRevisionDescription.cmake.in
Copyright: 2009-2010 Iowa State University
License: BSL-1.0

Files: etc/cmake/sanitizers.cmake
Copyright: 2018 George Cave <gcave@stablecoder.ca>
License: Apache-2.0

Files: etc/cmake/PreventInSourceBuilds.cmake
Copyright:
 1999-2019 Insight Software Consortium
 2020 NumFOCUS
License: Apache-2.0
Comment:
 Retrieved from https://github.com/InsightSoftwareConsortium/ITK

Files: etc/cmake/BuildType.cmake
Copyright:  Marcus D. Hanwell <https://www.kitware.com/contact-us/>
License: public-domain
 This material is literaly in the public domain at the below address.
Comment:
 Retrieved from https://blog.kitware.com/cmake-and-the-default-build-type/

Files: etc/cmake/JoinPaths.cmake
Copyright: 2020 Jan Tojnar
License: MIT
Comment:
 Retrieved from https://github.com/jtojnar/cmake-snips

Files: etc/cmake/CodeCoverage.cmake
Copyright: 2012-2017 Lars Bilke
License: BSD-3-clause

Files: etc/cmake/PadString.cmake
Copyright: 2011 Johannes Wienke <jwienke@techfak.uni-bielefeld.de>
License: GPL-2+

Files: etc/cmake/FindGMP.cmake
Copyright:
 2008-2010 Kent State University
 2011-2012 Texas A&M University
License: MIT
Comment:
 Adapted by Tamas Nepusz

Files: etc/cmake/FindARPACK.cmake
Copyright: 2004-2026 The DUNE development team
License: GPL-2
Comment:
 Retrieved from https://github.com/dune-project/dune-istl/

Files: etc/cmake/FindGLPK.cmake
Copyright: N/A
License: CC0-1.0
Comment:
 Retrieved from https://github.com/CGAL/cgal/

Files: doc/*
Copyright:
 2005-2019 Gabor Csardi and Tamas Nepusz
 2020-2026 The igraph development team:
  Gabor Csardi,
  Tamas Nepusz,
  Szabolcs Horvat,
  Vincent Traag, and
  Fabio Zanini.
License: GFDL-1.2+

Files: debian/*
Copyright:
 2009-2012 Mathieu Malaterre <malat@debian.org>
 2013-2020 Andreas Tille <tille@debian.org>
 2021-2026 Jerome Benoit <calculus@debian.org>
License: GPL-2+

License: Apache-2.0
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 .
 http://www.apache.org/licenses/LICENSE-2.0
 .
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 .
 On Debian systems, the complete text of the Apache version 2.0 license
 can be found in "/usr/share/common-licenses/Apache-2.0".

License: BSD-2-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 .
 THIS SOFTWARE IS PROVIDED BY AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.

License: BSD-3-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
 .
  * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
  * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
  * Neither the name of Sandia National Laboratories nor the names of
    its contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.
 .
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

License: BSD-4-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 3. All advertising materials mentioning features or use of this software
    must display the following acknowledgement:
    This product includes software developed by the University of
    California, Berkeley and its contributors.
 4. Neither the name of the University nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.
 .
 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.

License: BSL-1.0
 Permission is hereby granted, free of charge, to any person or organization
 obtaining a copy of the software and accompanying documentation covered by
 this license (the "Software") to use, reproduce, display, distribute,
 execute, and transmit the Software, and to prepare derivative works of the
 Software, and to permit third-parties to whom the Software is furnished to
 do so, all subject to the following:
 .
 The copyright notices in the Software and this entire statement, including
 the above license grant, this restriction and the following disclaimer,
 must be included in all copies of the Software, in whole or in part, and
 all derivative works of the Software, unless such copies or derivative
 works are solely in the form of machine-executable object code generated by
 a source language processor.
 .
 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.

License: GPL-2
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License versiojn 2 as
 published by the Free Software Foundation.
 .
 This package 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 package. If not, see <http://www.gnu.org/licenses/>.
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".

License: GPL-2+
 This package 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 2 of the License, or
 (at your option) any later version.
 .
 This package 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 package. If not, see <http://www.gnu.org/licenses/>.
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".

License: GPL-3+
 This package 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.
 .
 This package 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, see <http://www.gnu.org/licenses/>.
 .
 On Debian systems, the complete text of the GNU General
 Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".

License: LGPL-2.1+
 This program 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, 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 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public License
 along with this program. If not, If not, see <http://www.gnu.org/licenses/>
 .
 On Debian systems, the complete text of the GNU Lesser General Public
 License version 2.1 can be found in `/usr/share/common-licenses/LGPL-2.1'.

License: LGPL-3
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License version 3 as published by the Free Software Foundation.
 .
 This package 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 General Public License
 along with this program. If not, see <http://www.gnu.org/licenses/>.
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in "/usr/share/common-licenses/LGPL-3".

License: MIT
 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.

License: GFDL-1.2+
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.2
 or any later version published by the Free Software Foundation;
 with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
 A copy of the license is included in the section entitled "GNU Free
 Documentation License".
 .
 The complete text of the GNU Free Documentation License version 1.2
 can be found in "/usr/share/common-licenses/GFDL-1.2".

License: CC0-1.0
 To the extent possible under law, the author(s) have dedicated all
 copyright and related and neighboring rights to this software to the public
 domain worldwide. This software is distributed without any warranty.
 .
 On Debian systems the full text of the CC0-1.0 license can be found in
 "/usr/share/common-licenses/CC0-1.0"

License: Qhull
 Qhull is free software and may be obtained via http from www.qhull.org. It
 may be freely copied, modified, and redistributed under the following
 conditions:
 1. All copyright notices must remain intact in all files.
 2. A copy of COPYING.txt must be distributed along with any copies
    of Qhull that you redistribute; this includes copies that you have
    modified, or copies of programs or other software products that
    include Qhull.
 3. If you modify Qhull, you must include a notice giving the
    name of the person performing the modification, the date of
    modification, and the reason for such modification.
 4. When distributing modified versions of Qhull, or other software
    products that include Qhull, you must provide notice that the original
    source code may be obtained as noted above.
 5. There is no warranty or other guarantee of fitness for Qhull, it is
    provided solely "as is".  Bug reports or fixes may be sent to
    qhull_bug@qhull.org; the authors may or may not act on them as
    they desire.
