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# Copyright 2013-2018 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 Eigen(CMakePackage):
"""Eigen is a C++ template library for linear algebra matrices,
vectors, numerical solvers, and related algorithms.
"""
homepage = 'http://eigen.tuxfamily.org/'
url = 'https://bitbucket.org/eigen/eigen/get/3.3.4.tar.bz2'
version('3.3.5', 'e83549a79d1b721da0f8899ab34edf95')
version('3.3.4', 'a7aab9f758249b86c93221ad417fbe18')
version('3.3.3', 'b2ddade41040d9cf73b39b4b51e8775b')
version('3.3.1', 'edb6799ef413b0868aace20d2403864c')
version('3.2.10', 'a85bb68c82988648c3d53ba9768d7dcbcfe105f8')
version('3.2.9', '59ab81212f8eb2534b1545a9b42c38bf618a0d71')
version('3.2.8', '64f4aef8012a424c7e079eaf0be71793ab9bc6e0')
version('3.2.7', 'cc1bacbad97558b97da6b77c9644f184')
variant('metis', default=True, description='Enables metis backend')
variant('scotch', default=True, description='Enables scotch backend')
variant('fftw', default=True, description='Enables FFTW backend')
variant('suitesparse', default=True,
description='Enables SuiteSparse support')
variant('mpfr', default=True,
description='Enables support for multi-precisions FP via mpfr')
variant('build_type', default='RelWithDebInfo',
description='The build type to build',
values=('Debug', 'Release', 'RelWithDebInfo'))
# TODO : dependency on googlehash, superlu, adolc missing
depends_on('metis@5:', when='+metis')
depends_on('scotch', when='+scotch')
depends_on('fftw', when='+fftw')
depends_on('suite-sparse', when='+suitesparse')
depends_on('mpfr@2.3.0:', when='+mpfr')
depends_on('gmp', when='+mpfr')
patch('find-ptscotch.patch', when='@3.3.4')
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