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Diffstat (limited to 'gr-trellis/include/trellis/core_algorithms.h')
| -rw-r--r-- | gr-trellis/include/trellis/core_algorithms.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gr-trellis/include/trellis/core_algorithms.h b/gr-trellis/include/trellis/core_algorithms.h new file mode 100644 index 0000000000..2292845629 --- /dev/null +++ b/gr-trellis/include/trellis/core_algorithms.h @@ -0,0 +1,124 @@ +/* -*- 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 */ |