ldpc_generate.c gfq\ldpc_generate.c ldpc_h2g.c gfq\ldpc_h2g.c 1alist2sparse.m gfq\alist2sparse.m ldpc_decode.m gfq\ldpc_decode.m ...\ldpc_encode.m ldpc_generate.m gfq\ldpc_generate.m ldpc_h2g.m gfq\ldpc_h2g.m Xbits_smbl_msg.m gb.mat gc.mat ha.mat hb.mat hc.mat sga.mat mackay\10002.3.333e ......\10000.10000.3.631 gfq mackay sandeep