77 lines
3.3 KiB
Python
77 lines
3.3 KiB
Python
##############################################################################
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# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/llnl/spack
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# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License (as
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# published by the Free Software Foundation) version 2.1, February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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from spack import *
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class Zfp(MakefilePackage):
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"""zfp is an open source C library for compressed floating-point arrays
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that supports very high throughput read and write random acces,
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target error bounds or bit rates. Although bit-for-bit lossless
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compression is not always possible, zfp is usually accurate to
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within machine epsilon in near-lossless mode, and is often orders
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of magnitude more accurate than other lossy compressors. Versions
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of zfp 0.5.1 or newer also support compression of integer data.
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"""
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homepage = "http://computation.llnl.gov/projects/floating-point-compression"
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url = "http://computation.llnl.gov/projects/floating-point-compression/download/zfp-0.5.1.tar.gz"
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version('0.5.1', '0ed7059a9b480635e0dd33745e213d17')
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version('0.5.0', '2ab29a852e65ad85aae38925c5003654')
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variant('bsws',
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default='64',
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values=('8', '16', '32', '64'),
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multi=False,
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description='Bit stream word size: use smaller for finer \
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rate granularity. Use 8 for H5Z-ZFP filter.')
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def edit(self, spec, prefix):
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config_file = FileFilter('Config')
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config_file.filter(
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'^\s*#\s*DEFS\s*\+=\s*-DBIT_STREAM_WORD_TYPE\s*=\s*uint8',
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'DEFS += -DBIT_STREAM_WORD_TYPE=uint%s' %
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spec.variants['bsws'].value)
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def build(self, spec, prefix):
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make("shared")
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def install(self, spec, prefix):
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incdir = 'include' if spec.satisfies('@0.5.1:') else 'inc'
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# No install provided
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mkdirp(prefix.lib)
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mkdirp(prefix.include)
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install('lib/libzfp.so', prefix.lib)
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install('%s/zfp.h' % incdir, prefix.include)
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install('%s/bitstream.h' % incdir, prefix.include)
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if spec.satisfies('@0.5.1:'):
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mkdirp('%s/zfp' % prefix.include)
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install('%s/zfp/system.h' % incdir, '%s/zfp' % prefix.include)
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install('%s/zfp/types.h' % incdir, '%s/zfp' % prefix.include)
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else:
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install('%s/types.h' % incdir, prefix.include)
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install('%s/system.h' % incdir, prefix.include)
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