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# Copyright 2013-2020 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 Fasttransforms(MakefilePackage):
"""FastTransforms provides computational kernels and driver routines for
orthogonal polynomial transforms. The univariate algorithms have a runtime
complexity of O(n log n), while the multivariate algorithms are 2-normwise
backward stable with a runtime complexity of O(nd+1), where n is the
polynomial degree and d is the spatial dimension of the problem."""
homepage = "https://github.com/MikaelSlevinsky/FastTransforms"
url = "https://github.com/MikaelSlevinsky/FastTransforms/archive/v0.3.4.tar.gz"
version('0.3.4', sha256='a5c8b5aedbdb40218521d061a7df65ef32ce153d4e19d232957db7e3e63c7e9b')
variant('quadmath', default=False, description="Support 128-bit floats")
depends_on('blas')
depends_on('fftw')
depends_on('mpfr')
def build(self, spec, prefix):
makeargs = ["CC=cc"]
if 'openblas' in spec:
makeargs += ["FT_BLAS=openblas"]
if 'quadmath' in spec:
makeargs += ["FT_QUADMATH=1"]
make('assembly', *makeargs)
make('lib', *makeargs)
def install(self, spec, prefix):
mkdirp(prefix.include)
install(join_path('src', '*.h'), prefix.include)
mkdirp(prefix.lib)
install('libfasttransforms.' + dso_suffix, prefix.lib)
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