Generate np array from alist format

alist2np.py

## note, run with py27

import itertools
import numpy as np
from lpdec.codes import BinaryLinearBlockCode
from lpdec.codes.ldpc import ArrayLDPCCode
from lpdec.channels import *
from lpdec.decoders.iterative import IterativeDecoder


for fname in ['BCH_63_36_5_strip.alist', 'BCH_63_45_3_strip.alist', 'BCH_63_51_2_strip.alist', 'BCH_31_16_3_strip.alist']:
    code = BinaryLinearBlockCode(parityCheckMatrix=fname)
    base = fname.split('.')[0]
    np.save(base + '_G.npy', code.generatorMatrix)
    np.save(base + '_H.npy', code.parityCheckMatrix)


for fname in ['ArrayCode_N49_K24_r0.49.alist', 'ArrayCode_N121_K60_r0.50.alist',  'ArrayCode_N121_K70_r0.58.alist', 'ArrayCode_N121_K80_r0.66.alist']:
    code2 = BinaryLinearBlockCode(parityCheckMatrix=fname)
    
    p = 11
    r = None
    if 'K24' in fname:
        r = 4
        p = 7
    elif 'K60' in fname:
        r = 6
    elif 'K70' in fname:
        r = 5
    elif 'K80' in fname:
        r = 4
    code = ArrayLDPCCode(p, r)
    
    assert np.all(code.parityCheckMatrix == code2.parityCheckMatrix)
    assert np.all(code.generatorMatrix == code2.generatorMatrix)
    print(fname, "code=code2")
    
    base = fname.split('.')[0]
    np.save(base + '_G.npy', code.generatorMatrix)
    np.save(base + '_H.npy', code.parityCheckMatrix)