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# Copyright 2013-2019 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 Butterflypack(CMakePackage):
"""ButterflyPACK is a mathematical software for rapidly solving
large-scale dense linear systems that exhibit off-diagonal rank-deficiency.
These systems arise frequently from boundary element methods, or
factorization phases in finite-difference/finite-element methods.
ButterflyPACK relies on low-rank or butterfly formats under Hierarchical
matrix, HODLR or other hierarchically nested frameworks to compress,
factor and solve the linear system in quasi-linear time. The
computationally most intensive phase, factorization, is accelerated via
randomized linear algebras. The butterfly format, originally inspired by
the butterfly data flow in fast Fourier Transform, is a linear algebra tool
well-suited for compressing matrices arising from high-frequency wave
equations or highly oscillatory integral operators."""
homepage = "https://github.com/liuyangzhuan/ButterflyPACK"
git = "https://github.com/liuyangzhuan/ButterflyPACK.git"
url = "https://github.com/liuyangzhuan/ButterflyPACK/archive/v1.0.3.tar.gz"
maintainers = ['liuyangzhuan']
version('master', branch='master')
version('1.0.0', sha256='86c5eb09a18522367d63ce2bacf67ca1c9813ef351a1443baaab3c53f0d77232')
version('1.0.1', sha256='e8ada37466a19f49e13456b150700d4c3afaad2ddbe3678f4e933f9d556a24a5')
version('1.0.3', sha256='acf9bc98dd7fea31ab73756b68b3333228b53ab0e85400a8250fcc749a1a6656')
variant('shared', default=True, description='Build shared libraries')
depends_on('mpi')
depends_on('blas')
depends_on('lapack')
depends_on('scalapack')
depends_on('arpack-ng')
def cmake_args(self):
spec = self.spec
def on_off(varstr):
return 'ON' if varstr in spec else 'OFF'
args = [
'-DCMAKE_C_COMPILER=%s' % spec['mpi'].mpicc,
'-DCMAKE_Fortran_COMPILER=%s' % spec['mpi'].mpifc,
'-DCMAKE_CXX_COMPILER=%s' % spec['mpi'].mpicxx,
'-DTPL_BLAS_LIBRARIES=%s' % spec['blas'].libs.joined(";"),
'-DTPL_LAPACK_LIBRARIES=%s' % spec['lapack'].libs.joined(";"),
'-DTPL_SCALAPACK_LIBRARIES=%s' % spec['scalapack'].
libs.joined(";"),
'-DTPL_ARPACK_LIBRARIES=%s' % spec['arpack-ng'].libs.joined(";"),
'-DBUILD_SHARED_LIBS=%s' % on_off('+shared'),
]
return args
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