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from spack import *
from spack.util.executable import Executable
import os
class Atlas(Package):
"""
Automatically Tuned Linear Algebra Software, generic shared
ATLAS is an approach for the automatic generation and optimization of
numerical software. Currently ATLAS supplies optimized versions for the
complete set of linear algebra kernels known as the Basic Linear Algebra
Subroutines (BLAS), and a subset of the linear algebra routines in the
LAPACK library.
"""
homepage = "http://math-atlas.sourceforge.net/"
url = "http://downloads.sourceforge.net/project/math-atlas/Stable/3.10.2/atlas3.10.2.tar.bz2"
# TODO: make this provide BLAS once we have the ability to prefer dependencies.
# TODO: until then netlib-blas will be the default (and only) blas
# provides('blas')
version('3.10.2', 'a4e21f343dec8f22e7415e339f09f6da')
def patch(self):
# Disable thraed check. LLNL's environment does not allow
# disabling of CPU throttling in a way that ATLAS actually
# understands.
filter_file(r'^\s+if \(thrchk\) exit\(1\);', 'if (0) exit(1);',
'CONFIG/src/config.c')
# TODO: investigate a better way to add the check back in
# TODO: using, say, MSRs. Or move this to a variant.
def install(self, spec, prefix):
with working_dir('ATLAS-Build', create=True):
self.module.configure = Executable('../configure')
configure('--prefix=%s' % prefix,
'-C', 'ic', 'cc',
'-C', 'if', 'f77',
"--dylibs")
make()
make('check')
make('ptcheck')
make('time')
make("install")
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