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##############################################################################
# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/spack/spack
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
#
# 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) version 2.1, February 1999.
#
# 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 terms and
# conditions of 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from spack import *
class Cddlib(AutotoolsPackage):
"""The C-library cddlib is a C implementation of the Double Description
Method of Motzkin et al. for generating all vertices (i.e. extreme points)
and extreme rays of a general convex polyhedron in R^d given by a system
of linear inequalities"""
homepage = "https://www.inf.ethz.ch/personal/fukudak/cdd_home/"
url = "ftp://ftp.math.ethz.ch/users/fukudak/cdd/cddlib-094h.tar.gz"
version('0.94h', '1467d270860bbcb26d3ebae424690e7c')
# Note: It should be possible to build cddlib also without gmp
depends_on("gmp")
depends_on("libtool", type="build")
def url_for_version(self, version):
url = "ftp://ftp.math.ethz.ch/users/fukudak/cdd/cddlib-{0}.tar.gz"
return url.format(version.joined)
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