# Copyright 2013-2022 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 DhpmmF(MakefilePackage):
    """DHPMM_P:High-precision Matrix Multiplication with Faithful Rounding"""

    homepage = "http://www.math.twcu.ac.jp/ogita/post-k/"
    url      = "http://www.math.twcu.ac.jp/ogita/post-k/software/DHPMM_F/DHPMM_F_alpha.tar.gz"

    version('alpha', sha256='35321ecbc749f2682775ffcd27833afc8c8eb4fa7753ce769727c9d1fe097848')

    depends_on('blas', type='link')
    depends_on('lapack', type='link')

    def patch(self):
        math_libs = self.spec['lapack'].libs + self.spec['blas'].libs
        makefile = FileFilter('Makefile')
        if self.spec.satisfies('%gcc'):
            makefile.filter(r'^MKL\s+=\s1', 'MKL=0')
            makefile.filter(r'^CC\s+=\sgcc',
                            'CC={0}'.format(spack_cc))
            makefile.filter(r'^CXX\s+=\sg\+\+',
                            'CXX={0}'.format(spack_cxx))
            makefile.filter(r'^BLASLIBS\s+=\s-llapack\s-lblas',
                            'BLASLIBS={0}'.format(math_libs.ld_flags))
        elif self.spec.satisfies('%fj'):
            makefile.filter(r'^#ENV\s+=\sFX100', 'ENV=FX100')
            makefile.filter(r'^ENV\s+=\sGCC', '#ENV=GCC')
            makefile.filter(r'^MKL\s+=\s1', 'MKL=0')
            makefile.filter(r'^CC\s+=\sfccpx',
                            'CC={0}'.format(spack_cc))
            makefile.filter(r'^CXX\s+=\sFCCpx',
                            'CXX={0}'.format(spack_cxx))
            makefile.filter(r'^BLASLIBS\s+=\s-llapack\s-lblas',
                            'BLASLIBS={0}'.format(math_libs.ld_flags))
        elif self.spec.satisfies('%intel'):
            makefile.filter(r'^ENV\s+=\sGCC', '#ENV=GCC')
            makefile.filter(r'^ENV\s+=\sICC', 'ENV=ICC')
            makefile.filter(r'^CC\s+=\sicc',
                            'CC={0}'.format(spack_cc))
            makefile.filter(r'^CXX\s+=\sicc',
                            'CXX={0}'.format(spack_cxx))

    def install(self, spec, prefix):
        mkdirp(prefix.bin)
        install('test/source4_SpMV', prefix.bin)