diff options
Diffstat (limited to 'gr-atsc/src/lib/qa_atsci_single_viterbi.cc')
| -rw-r--r-- | gr-atsc/src/lib/qa_atsci_single_viterbi.cc | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/gr-atsc/src/lib/qa_atsci_single_viterbi.cc b/gr-atsc/src/lib/qa_atsci_single_viterbi.cc index 95e595026..ca0cf7464 100644 --- a/gr-atsc/src/lib/qa_atsci_single_viterbi.cc +++ b/gr-atsc/src/lib/qa_atsci_single_viterbi.cc @@ -1,19 +1,19 @@ /* -*- c++ -*- */ /* * Copyright 2002 Free Software Foundation, Inc. - * + * * This file is part of GNU Radio - * + * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. - * + * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, @@ -40,7 +40,7 @@ static const int NN = 200; static const int MAXDIBIT = 3; void -qa_atsci_single_viterbi::encode_block (unsigned char *out, unsigned char *in, +qa_atsci_single_viterbi::encode_block (unsigned char *out, unsigned char *in, unsigned int n) { for (unsigned int i = 0; i < n; i++) { @@ -50,7 +50,7 @@ qa_atsci_single_viterbi::encode_block (unsigned char *out, unsigned char *in, void -qa_atsci_single_viterbi::decode_block (unsigned char *out, unsigned char *in, +qa_atsci_single_viterbi::decode_block (unsigned char *out, unsigned char *in, unsigned int n, float noise_factor) { for (unsigned int i = 0; i < n; i++) { @@ -76,9 +76,9 @@ qa_atsci_single_viterbi::t0 () int i; // printf (" Delay is %d.\n", delay); - + srandom (27); // reproducable sequence of "random" values - + for (int nt = 0; nt < NTRIALS; nt++){ // load block with random data and encode @@ -154,9 +154,9 @@ qa_atsci_single_viterbi::t1 () int i; // printf (" Delay is %d.\n", delay); - + srandom (1); // reproducable sequence of "random" values - + for (int nt = 0; nt < NTRIALS; nt++){ // test up to the error correction capacity of the code @@ -180,7 +180,7 @@ qa_atsci_single_viterbi::t1 () // If we munge any or all of the three bits of the symbol, // our decoder frequently gets the wrong data even with a single // error. - // + // // Let's see what it can do with just the two low-order bits. // // ALSO: Don't let any error be within 12 spots of another @@ -198,7 +198,7 @@ qa_atsci_single_viterbi::t1 () // Don't insert errors in the first delay slot, since we // don't have valid history to correct them. Also, don't // insert burst errors (adjacent errors), or errors within 2, - // since we can't reliably correct them. Also we must not choose + // since we can't reliably correct them. Also we must not choose // the same location twice when inserting an error. do { |