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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 Unuran(AutotoolsPackage):
"""Universal Non-Uniform Random number generator."""
homepage = "https://statmath.wu.ac.at/unuran"
url = "http://statmath.wu.ac.at/unuran/unuran-1.8.1.tar.gz"
version('1.8.1', sha256='c270ae96857857dbac6450043df865e0517f52856ddbe5202fd35583b13c5193')
variant('shared', default=True,
description="Enable the build of shared libraries")
variant('rngstreams', default=True,
description="Use RNGSTREAM library for uniform random generation")
variant(
'gsl', default=False,
description="Use random number generators from GNU Scientific Library")
depends_on('gsl', when="+gsl")
depends_on('rngstreams', when="+rngstreams")
def configure_args(self):
spec = self.spec
args = [
'--%s-shared' % ('enable' if '+shared' in spec else 'disable'),
'--with-urgn-default=%s' % (
'rngstream' if '+rngstreams' in spec else 'builtin'),
'--%s-urng-gsl' % (
'with' if '+gsl' in spec else 'without'),
'--%s-urng-rngstreams' % (
'with' if '+rngstreams' in spec else 'without')
]
return args
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