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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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://people.inf.ethz.ch/fukudak/cdd_home"
url = "https://github.com/cddlib/cddlib/archive/refs/tags/0.94m.tar.gz"
maintainers = ['NessieCanCode']
version('0.94m', sha256='70dffdb3369b8704dc75428a1b3c42ab9047b81ce039f12f427e2eb2b1b0dee2')
version('0.94h', sha256='7382782c3834214b022c8b2898ed775a7bf915f2cb2acb73fa045d6fd9a3de33')
depends_on("gmp", when='@0.94h')
def url_for_version(self, version):
if self.spec.satisfies('@:0.94i'):
url = "https://github.com/cddlib/cddlib/archive/refs/tags/{0}.tar.gz"
elif self.spec.satisfies('@0.94j:'):
url = "https://github.com/cddlib/cddlib/releases/download/{0}/cddlib-{0}.tar.gz"
return url.format(version.dotted)
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