easyblock = 'ConfigureMake'

name = 'FFTW'
version = '3.3.5'

homepage = 'http://www.fftw.org'
description = """FFTW is a C subroutine library for local_computing the discrete Fourier transform (DFT)
 in one or more dimensions, of arbitrary input size, and of both real and local_complex data."""

toolchain = {'name': 'intel', 'version': '2017.00'}
toolchainopts = {'pic': True}

sources = [SOURCELOWER_TAR_GZ]
source_urls = [homepage]

local_common_configopts = "--enable-threads --enable-openmp --with-pic"

# no quad precision, requires GCC v4.6 or higher
# see also
# http://www.fftw.org/doc/Extended-and-quadruple-precision-in-Fortran.html
configopts = [
    local_common_configopts + " --enable-single --enable-sse2 --enable-mpi",
    local_common_configopts + " --enable-long-double --enable-mpi",
    local_common_configopts + " --enable-sse2 --enable-mpi --enable-avx2",  # default as last
]

sanity_check_paths = {
    'files': [
        'bin/fftw%s' %
        x for x in [
            '-wisdom', '-wisdom-to-conf', 'f-wisdom', 'l-wisdom']] + [
                'include/fftw3%s' %
                x for x in [
                    '-mpi.f03', '-mpi.h', '.f', '.f03', '.h', 'l-mpi.f03', 'l.f03', 'q.f03']] + [
                        'lib/libfftw3%s%s.a' %
                        (x, y) for x in [
                            '', 'f', 'l'] for y in [
                                '', '_mpi', '_omp', '_threads']], 'dirs': ['lib/pkgconfig'], }

moduleclass = 'numlib'
