# 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 Zfp(MakefilePackage):
"""zfp is an open source C/C++ library for high-fidelity, high-throughput
lossy compression of floating-point and integer multi-dimensional
arrays.
"""
homepage = 'http://computation.llnl.gov/projects/floating-point-compression'
url = 'http://computation.llnl.gov/projects/floating-point-compression/download/zfp-0.5.2.tar.gz'
version('0.5.2', '2f0a77aa34087219a6e10b8b7d031e77')
version('0.5.1', '0ed7059a9b480635e0dd33745e213d17')
version('0.5.0', '2ab29a852e65ad85aae38925c5003654')
variant('bsws',
default='64',
values=('8', '16', '32', '64'),
multi=False,
description='Bit stream word size: use smaller for finer ' \
'rate granularity. Use 8 for H5Z-ZFP filter.')
variant('shared', default=True,
description='Build shared versions of the library')
def edit(self, spec, prefix):
config_file = FileFilter('Config')
config_file.filter(
r'^\s*#\s*DEFS\s*\+=\s*-DBIT_STREAM_WORD_TYPE\s*=\s*uint8',
'DEFS += -DBIT_STREAM_WORD_TYPE=uint%s' %
spec.variants['bsws'].value)
def build(self, spec, prefix):
with working_dir('src'):
if '~shared' in spec:
make('static')
else:
make('shared')
def install(self, spec, prefix):
incdir = 'include' if spec.satisfies('@0.5.1:') else 'inc'
# Note: ZFP package does not provide an install target
mkdirp(prefix.lib)
mkdirp(prefix.include)
# Note: ZFP package builds .so files even on OSX
if '~shared' in spec:
install('lib/libzfp.a', prefix.lib)
else:
install('lib/libzfp.so', prefix.lib)
install('%s/zfp.h' % incdir, prefix.include)
install('%s/bitstream.h' % incdir, prefix.include)
if spec.satisfies('@0.5.1:'):
mkdirp('%s/zfp' % prefix.include)
install('%s/zfp/system.h' % incdir, '%s/zfp' % prefix.include)
install('%s/zfp/types.h' % incdir, '%s/zfp' % prefix.include)
else:
install('%s/types.h' % incdir, prefix.include)
install('%s/system.h' % incdir, prefix.include)