/usr/include/gnuradio/fec/ldpc_decoder.h is in gnuradio-dev 3.7.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | /* -*- c++ -*- */
/*
* Copyright 2015 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,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_LDPC_DECODER_H
#define INCLUDED_LDPC_DECODER_H
typedef float INPUT_DATATYPE;
typedef unsigned char OUTPUT_DATATYPE;
#include <map>
#include <string>
#include <gnuradio/fec/decoder.h>
#include <vector>
#include <gnuradio/fec/cldpc.h>
#include <gnuradio/fec/alist.h>
#include <gnuradio/fec/awgn_bp.h>
namespace gr {
namespace fec {
#define MAXLOG 1e7
class FEC_API ldpc_decoder : public generic_decoder
{
private:
//private constructor
ldpc_decoder(std::string alist_file, float sigma, int max_iterations);
//plug into the generic fec api
int get_history();
float get_shift();
const char* get_conversion();
void generic_work(void *inBuffer, void *outbuffer);
float d_iterations;
int d_input_size, d_output_size;
double d_rate;
alist d_list;
cldpc d_code;
awgn_bp d_spa;
public:
~ldpc_decoder ();
double rate();
bool set_frame_size(unsigned int frame_size);
static generic_decoder::sptr make(std::string alist_file,
float sigma=0.5,
int max_iterations=50);
int get_output_size();
int get_input_size();
int get_input_item_size();
int get_output_item_size();
float get_iterations(){ return d_iterations; }
};
} // namespace fec
} // namespace gr
#endif /* INCLUDED_LDPC_DECODER_H */
|