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/* -*- c++ -*- */
/*
* Copyright 2004,2012 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_CORE_ALGORITHMS_H
#define INCLUDED_CORE_ALGORITHMS_H
#include <cmath>
#include <vector>
#include <digital/metric_type.h>
#include <trellis/fsm.h>
#include <trellis/interleaver.h>
namespace gr {
namespace trellis {
float min(float a, float b);
float min_star(float a, float b);
template <class T>
void viterbi_algorithm(int I, int S, int O,
const std::vector<int> &NS,
const std::vector<int> &OS,
const std::vector< std::vector<int> > &PS,
const std::vector< std::vector<int> > &PI,
int K,
int S0,int SK,
const float *in, T *out);
template <class Ti, class To>
void viterbi_algorithm_combined(int I, int S, int O,
const std::vector<int> &NS,
const std::vector<int> &OS,
const std::vector< std::vector<int> > &PS,
const std::vector< std::vector<int> > &PI,
int K,
int S0,int SK,
int D,
const std::vector<Ti> &TABLE,
digital::trellis_metric_type_t TYPE,
const Ti *in, To *out);
void siso_algorithm(int I, int S, int O,
const std::vector<int> &NS,
const std::vector<int> &OS,
const std::vector< std::vector<int> > &PS,
const std::vector< std::vector<int> > &PI,
int K,
int S0,int SK,
bool POSTI, bool POSTO,
float (*p2mymin)(float,float),
const float *priori, const float *prioro, float *post);
template <class T>
void siso_algorithm_combined(int I, int S, int O,
const std::vector<int> &NS,
const std::vector<int> &OS,
const std::vector< std::vector<int> > &PS,
const std::vector< std::vector<int> > &PI,
int K,
int S0,int SK,
bool POSTI, bool POSTO,
float (*p2mymin)(float,float),
int D,
const std::vector<T> &TABLE,
digital::trellis_metric_type_t TYPE,
const float *priori, const T *observations, float *post);
template<class T>
void sccc_decoder(const fsm &FSMo, int STo0, int SToK,
const fsm &FSMi, int STi0, int STiK,
const interleaver &INTERLEAVER, int blocklength, int iterations,
float (*p2mymin)(float,float),
const float *iprioro, T *data);
template<class Ti, class To>
void sccc_decoder_combined(const fsm &FSMo, int STo0, int SToK,
const fsm &FSMi, int STi0, int STiK,
const interleaver &INTERLEAVER, int blocklength, int iterations,
float (*p2mymin)(float,float),
int D, const std::vector<Ti> &TABLE,
digital::trellis_metric_type_t METRIC_TYPE,
float scaling,
const Ti *observations, To *data);
template<class T>
void pccc_decoder(const fsm &FSM1, int ST10, int ST1K,
const fsm &FSM2, int ST20, int ST2K,
const interleaver &INTERLEAVER, int blocklength, int iterations,
float (*p2mymin)(float,float),
const float *cprioro, T *data);
template<class Ti, class To>
void pccc_decoder_combined(const fsm &FSM1, int ST10, int ST1K,
const fsm &FSM2, int ST20, int ST2K,
const interleaver &INTERLEAVER, int blocklength, int iterations,
float (*p2mymin)(float,float),
int D, const std::vector<Ti> &TABLE,
digital::trellis_metric_type_t METRIC_TYPE,
float scaling,
const Ti *observations, To *data);
} /* namespace trellis */
} /* namespace gr */
#endif /* INCLUDED_CORE_ALGORITHMS_H */
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