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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 *
import os
class Itensor(MakefilePackage):
"""ITensor -Intelligent Tensor- is a library for
implementing tensor network calculations."""
homepage = "https://itensor.org/index.html"
url = "https://github.com/ITensor/ITensor/archive/v3.1.6.tar.gz"
version('3.1.6', sha256='1c42cd39c45124063d9812b851b4d99735caff7ac2da971b4287c2018d4cf32a')
version('3.1.5', sha256='a0661efdda3bfc4fab1796243d4b438b0f17adce08b6bb21a2aaae9766b6a1ec')
version('3.1.4', sha256='bdcfa786f5165b6f5d1a40a80e7ecca2e59e2ee7050fd60f42ef4a4a55a793c5')
version('3.1.3', sha256='ff6b04f9c642c6795acd3485f44619282a2dde7a49a4e0dee89b47b69dc3853e')
version('3.1.2', sha256='3e0f032c211e11be1b5a4adf4a581698a949d03b35c0e9b2e3d9f4bab6dd7967')
version('3.1.1', sha256='3c12d288e50522b5bd152f956a48ec187486cfeb4ccb1ea9a05d3f0bf3bf8059')
version('3.1.0', sha256='b887cb9c7fc06f60d9d6834380b643adea8d165d574ab1859883f399725b9db9')
version('3.0.1', sha256='5e2ac3a5b62fb3e34f1e520e6da911b56659507fb4143118d4a602a5866bc912')
version('3.0.0', sha256='1d249a3a6442188a9f7829b32238c1025457c2930566d134a785994b1f7c54a9')
version('2.1.1', sha256='b91a67af66ed0fa7678494f3895b5d5ae7f1dc1026540689f9625f515cb7791c')
variant('openmp', default=False, description='Enable OpenMP support.')
variant('hdf5', default=False, description='Build rockstar with HDF5 support.')
depends_on('lapack')
depends_on('hdf5+hl', when='+hdf5')
conflicts('^openblas threads=none', when='+openmp')
conflicts('^openblas threads=pthreads', when='+openmp')
def getcopts(self, spec):
copts = []
copts.append(self.compiler.cxx17_flag)
copts.append(self.compiler.cc_pic_flag)
if spec.satisfies('%gcc'):
if not spec.satisfies('arch=aarch64:'):
copts.append('-m64')
copts.append('-fconcepts')
if spec.satisfies('%clang') or spec.satisfies('%fj'):
copts.append('-Wno-gcc-compat')
return ' ' + ' '.join(copts)
def edit(self, spec, prefix):
# 0.copy options.mk
mf = 'options.mk'
copy('options.mk.sample', mf)
# 1.CCCOM
ccopts = 'CCCOM={0}{1}'.format(spack_cxx, self.getcopts(spec))
filter_file(r'^CCCOM.+', ccopts, mf)
# 2.BLAS/LAPACK
# Set default values
vpla = 'PLATFORM=lapack'
vlib = 'BLAS_LAPACK_LIBFLAGS='
vlib += spec['lapack'].libs.ld_flags
vinc = 'BLAS_LAPACK_INCLUDEFLAGS=-I'
vinc += spec['lapack'].prefix.include
ltype = spec['lapack'].name
# lapack specific
if ltype == 'openblas':
vpla = 'PLATFORM=openblas'
if spec.satisfies('%gcc'):
vinc += ' -fpermissive'
vinc += ' -DHAVE_LAPACK_CONFIG_H'
vinc += ' -DLAPACK_COMPLEX_STRUCTURE'
filter_file('#PLATFORM=lapack', vinc, mf, String=True)
elif ltype == 'intel-mkl':
vpla = 'PLATFORM=mkl'
filter_file('#PLATFORM=lapack', vinc, mf, String=True)
filter_file(r'^PLATFORM.+', vpla, mf)
filter_file(r'^BLAS_LAPACK_LIBFLAGS.+', vlib, mf)
# 3.HDF5
if '+hdf5' in spec:
hdf5p = 'HDF5_PREFIX={0}'.format(spec["hdf5"].prefix.lib)
filter_file('^#HDF5.+', hdf5p, mf)
# 4.openmp
if '+openmp' in spec:
filter_file('#ITENSOR_USE_OMP', 'ITENSOR_USE_OMP', mf)
filter_file('-fopenmp', self.compiler.openmp_flag, mf)
# 5.prefix
filter_file(
r'^PREFIX.+',
'PREFIX={0}'.format(os.getcwd()),
mf
)
def install(self, spec, prefix):
# 0.backup options.mk
mf = 'options.mk'
copy(mf, 'options.mk.build')
# 1.CCCOM
ccopts = 'CCCOM={0}'.format(self.compiler.cxx)
ccopts += ' ' + ' '.join(spec.compiler_flags['cxxflags'])
if spec.satisfies('%fj'):
ccopts += ' ' + env["FCC_ENV"]
ccopts += self.getcopts(spec)
filter_file(r'^CCCOM.+', ccopts, mf)
# 2.LDFLAGS
vlib = 'BLAS_LAPACK_LIBFLAGS={0} '.format(' '.join(
spec.compiler_flags['ldflags'] + spec.compiler_flags['ldlibs']))
filter_file(r'^BLAS_LAPACK_LIBFLAGS=', vlib, mf)
# 3.prefix
filter_file(
r'^PREFIX.+',
'PREFIX={0}'.format(prefix),
mf
)
# tutorial/project_template/Makefile
mf2 = join_path('tutorial', 'project_template', 'Makefile')
filter_file(
r'^LIBRARY_DIR.+',
'LIBRARY_DIR={0}'.format(prefix),
mf2
)
install_tree('.', prefix)
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