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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 PyScs(PythonPackage):
"""SCS: splitting conic solver"""
homepage = "https://github.com/cvxgrp/scs"
pypi = "scs/scs-2.1.1-2.tar.gz"
version('2.1.1-2', sha256='f816cfe3d4b4cff3ac2b8b96588c5960ddd2a3dc946bda6b09db04e7bc6577f2')
variant('cuda', default=False, description="Also compile the GPU CUDA version of SCS")
variant('float32', default=False, description="Use 32 bit (single precision) floats, default is 64 bit")
variant('extra_verbose', default=False, description="Extra verbose SCS (for debugging)")
variant('int32', default=False, description="Use 32 bit ints")
variant('blas64', default=False, description="Use 64 bit ints for the blas/lapack libs")
depends_on('py-setuptools', type='build')
depends_on('py-numpy@1.7:', type=('build', 'run'))
depends_on('py-scipy@0.13.2:', type=('build', 'run'))
def install_options(self, spec, prefix):
args = []
if '+cuda' in spec or '+float32' in spec or '+int32' in spec or\
'+extra_verbose' in spec or '+blas64' in spec:
args = ['--scs']
if '+cuda' in spec:
args.append('--gpu')
if '+float32' in spec:
args.append('--float')
if '+extra_verbose' in spec:
args.append('--extraverbose')
if '+int32' in spec:
args.append('--int')
if '+blas64' in spec:
args.append('--blas64')
return args
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