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import argparse
import string
from boltzgen import *
argparser = argparse.ArgumentParser(description='Generate LBM kernels in various languages using a symbolic description.')
argparser.add_argument('language', help = 'Target language (currently either "opencl" or "cpp")')
argparser.add_argument(
'--layout', dest = 'layout',
help = 'Memory layout ("aos" or "soa" for C++, ignored for OpenCL')
args = argparser.parse_args()
if args.language == 'cpp' and args.layout is None:
raise Exception('Please specify the memory layout')
lbm = LBM(D2Q9)
generator = Generator(
descriptor = D2Q9,
moments = lbm.moments(),
collision = lbm.bgk(f_eq = lbm.equilibrium(), tau = 0.6))
geometry = Geometry(1024,1024)
src = generator.kernel(args.language, 'double', args.layout, geometry)
print(src)
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