make-ldpc ex-wrong-model.pchk 1000 1800 1 evenboth 3 no4cycleEliminated 19 cycles of length four by moving checks within columnmake-gen  ex-wrong-model.pchk ex-wrong-model.gen denseNumber of 1s per check in Inv(A) X B is 318.6rand-src  ex-wrong-model.src 1 800x1000encode    ex-wrong-model.pchk ex-wrong-model.gen ex-wrong-model.src \          ex-wrong-model.encEncoded 1000 blocks, source block size 800, encoded block size 1800# FIRST SET OF TESTS, TRANSMITTING THROUGH AWGN CHANNEL WITH SIGMA=0.90transmit  ex-wrong-model.enc ex-wrong-model.rec 1 awgn 0.90Transmitted 1800000 bits# DECODING WITH CORRECT AWGN NOISE MODEL, SIGMA=0.90decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.90 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 910 valid.  Average 25.8 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 90, with src errs 89, both 89Bit error rate (on message bits only): 6.484e-03# DECODING WITH AWGN NOISE MODEL, SIGMA=0.95decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.95 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 909 valid.  Average 25.7 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 91, with src errs 91, both 91Bit error rate (on message bits only): 6.540e-03# DECODING WITH AWGN NOISE MODEL, SIGMA=0.85decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.85 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 900 valid.  Average 27.7 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 100, with src errs 100, both 100Bit error rate (on message bits only): 7.604e-03# DECODING WITH AWLN NOISE MODEL, WIDTH=0.40decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.40 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 755 valid.  Average 42.3 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 245, with src errs 245, both 245Bit error rate (on message bits only): 1.884e-02# DECODING WITH AWLN NOISE MODEL, WIDTH=0.45decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.45 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 827 valid.  Average 34.7 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 173, with src errs 172, both 172Bit error rate (on message bits only): 1.306e-02# DECODING WITH AWLN NOISE MODEL, WIDTH=0.50decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.50 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 849 valid.  Average 31.7 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 151, with src errs 151, both 151Bit error rate (on message bits only): 1.069e-02# DECODING WITH AWLN NOISE MODEL, WIDTH=0.55decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.55 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 855 valid.  Average 32.3 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 145, with src errs 145, both 145Bit error rate (on message bits only): 1.022e-02# DECODING WITH AWLN NOISE MODEL, WIDTH=0.60decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.60 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 790 valid.  Average 40.0 iterations, 13% bit changesBlock counts: tot 1000, with chk errs 210, with src errs 210, both 210Bit error rate (on message bits only): 1.452e-02# DECODING WITH AWLN NOISE MODEL, WIDTH=0.65decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.65 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 540 valid.  Average 63.3 iterations, 11% bit changesBlock counts: tot 1000, with chk errs 460, with src errs 460, both 460Bit error rate (on message bits only): 3.247e-02# SECOND SET OF TESTS, TRANSMITTING THROUGH AWLN CHANNEL WITH WIDTH=0.50transmit  ex-wrong-model.enc ex-wrong-model.rec 1 awln 0.50Transmitted 1800000 bits# DECODING WITH CORRECT AWLN NOISE MODEL, WIDTH=0.50decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.50 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 914 valid.  Average 25.1 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 86, with src errs 86, both 86Bit error rate (on message bits only): 6.130e-03# DECODING WITH AWLN NOISE MODEL, WIDTH=0.55decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.55 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 907 valid.  Average 25.6 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 93, with src errs 93, both 93Bit error rate (on message bits only): 6.474e-03# DECODING WITH AWLN NOISE MODEL, WIDTH=0.45decode    ex-wrong-model.pchk ex-wrong-model.rec - awln 0.45 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 893 valid.  Average 27.5 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 107, with src errs 107, both 107Bit error rate (on message bits only): 7.744e-03# DECODING WITH AWGN NOISE MODEL, SIGMA=0.80decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.80 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 702 valid.  Average 44.9 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 298, with src errs 298, both 298Bit error rate (on message bits only): 2.245e-02# DECODING WITH AWGN NOISE MODEL, SIGMA=0.85decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.85 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 765 valid.  Average 39.4 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 235, with src errs 235, both 235Bit error rate (on message bits only): 1.693e-02# DECODING WITH AWGN NOISE MODEL, SIGMA=0.90decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.90 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 808 valid.  Average 35.7 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 192, with src errs 192, both 192Bit error rate (on message bits only): 1.374e-02# DECODING WITH AWGN NOISE MODEL, SIGMA=0.95decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 0.95 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 814 valid.  Average 34.6 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 186, with src errs 186, both 186Bit error rate (on message bits only): 1.291e-02# DECODING WITH AWGN NOISE MODEL, SIGMA=1.00decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 1.00 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 808 valid.  Average 35.6 iterations, 12% bit changesBlock counts: tot 1000, with chk errs 192, with src errs 192, both 192Bit error rate (on message bits only): 1.320e-02# DECODING WITH AWGN NOISE MODEL, SIGMA=1.05decode    ex-wrong-model.pchk ex-wrong-model.rec - awgn 1.05 prprp 100 \ | verify ex-wrong-model.pchk - ex-wrong-model.gen ex-wrong-model.src Decoded 1000 blocks, 771 valid.  Average 40.7 iterations, 11% bit changesBlock counts: tot 1000, with chk errs 229, with src errs 228, both 228Bit error rate (on message bits only): 1.524e-02