name = 'FFTW'
version = '3.3.8'

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

toolchain = {'name': 'intel', 'version': '2020b'}
toolchainopts = {'pic': True}

source_urls = [homepage]
sources = [SOURCELOWER_TAR_GZ]
patches = ['FFTW-%(version)s_fix-icc-no-gcc.patch']
checksums = [
    '6113262f6e92c5bd474f2875fa1b01054c4ad5040f6b0da7c03c98821d9ae303',  # fftw-3.3.8.tar.gz
    '1b3319b98a2ca4ead68290b3229385c0573e22749a5a2ffb49486a0bbb37dc1e',  # FFTW-3.3.8_fix-icc-no-gcc.patch
]

# no quad precision, requires GCC v4.6 or higher
# see also
# http://www.fftw.org/doc/Extended-and-quadruple-precision-in-Fortran.html
with_quad_prec = False

# compilation fails on AMD systems when configuring with --enable-avx-128-fma,
# because Intel compilers do not support FMA4 instructions
use_fma4 = False

runtest = 'check'

moduleclass = 'numlib'