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# Copyright 2013-2024 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.package import *
class Pfft(AutotoolsPackage):
"""PFFT is a software library for computing massively parallel,
fast Fourier transformations on distributed memory architectures.
PFFT can be understood as a generalization of FFTW-MPI to
multidimensional data decomposition."""
homepage = "https://www-user.tu-chemnitz.de/~potts/workgroup/pippig/software.php.en"
url = (
"https://www-user.tu-chemnitz.de/~potts/workgroup/pippig/software/pfft-1.0.8-alpha.tar.gz"
)
license("GPL-3.0-or-later")
version(
"1.0.8-alpha", sha256="6c43960ad72fcff7e49b87c604c5f471fb5890f1bd11ce750ab52f035e7c5317"
)
depends_on("fftw+mpi+pfft_patches")
depends_on("mpi")
def configure(self, spec, prefix):
options = ["--prefix={0}".format(prefix)]
if not self.compiler.f77 or not self.compiler.fc:
options.append("--disable-fortran")
configure = Executable("../configure")
fftw = spec["fftw"]
if "precision=double" in fftw:
with working_dir("double", create=True):
configure(*options)
if "precision=float" in fftw:
with working_dir("float", create=True):
configure("--enable-float", *options)
if "precision=long_double" in fftw:
with working_dir("long-double", create=True):
configure("--enable-long-double", *options)
def build(self, spec, prefix):
fftw = spec["fftw"]
if "precision=double" in fftw:
with working_dir("double"):
make()
if "precision=float" in fftw:
with working_dir("float"):
make()
if "precision=long_double" in fftw:
with working_dir("long-double"):
make()
def check(self):
spec = self.spec
fftw = spec["fftw"]
if "precision=double" in fftw:
with working_dir("double"):
make("check")
if "precision=float" in fftw:
with working_dir("float"):
make("check")
if "precision=long_double" in fftw:
with working_dir("long-double"):
make("check")
def install(self, spec, prefix):
fftw = spec["fftw"]
if "precision=double" in fftw:
with working_dir("double"):
make("install")
if "precision=float" in fftw:
with working_dir("float"):
make("install")
if "precision=long_double" in fftw:
with working_dir("long-double"):
make("install")
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