/* -*- c++ -*- */ /* * Copyright 2004,2010 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. */ // WARNING: this file is machine generated. Edits will be over written #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include "core_algorithms.h" static const float INF = 1.0e9; trellis_pccc_decoder_combined_fi_sptr trellis_make_pccc_decoder_combined_fi ( const fsm &FSMo, int STo0, int SToK, const fsm &FSMi, int STi0, int STiK, const interleaver &INTERLEAVER, int blocklength, int repetitions, trellis_siso_type_t SISO_TYPE, int D, const std::vector &TABLE, trellis_metric_type_t METRIC_TYPE, float scaling ) { return gnuradio::get_initial_sptr (new trellis_pccc_decoder_combined_fi ( FSMo, STo0, SToK, FSMi, STi0, STiK, INTERLEAVER, blocklength, repetitions, SISO_TYPE, D, TABLE,METRIC_TYPE, scaling )); } trellis_pccc_decoder_combined_fi::trellis_pccc_decoder_combined_fi ( const fsm &FSMo, int STo0, int SToK, const fsm &FSMi, int STi0, int STiK, const interleaver &INTERLEAVER, int blocklength, int repetitions, trellis_siso_type_t SISO_TYPE, int D, const std::vector &TABLE, trellis_metric_type_t METRIC_TYPE, float scaling ) : gr_block ("pccc_decoder_combined_fi", gr_make_io_signature (1, 1, sizeof (float)), gr_make_io_signature (1, 1, sizeof (int))), d_FSMo (FSMo), d_STo0 (STo0), d_SToK (SToK), d_FSMi (FSMi), d_STi0 (STi0), d_STiK (STiK), d_INTERLEAVER (INTERLEAVER), d_blocklength (blocklength), d_repetitions (repetitions), d_SISO_TYPE (SISO_TYPE), d_D (D), d_TABLE (TABLE), d_METRIC_TYPE (METRIC_TYPE), d_scaling (scaling) { assert(d_FSMo.I() == d_FSMi.I()); set_relative_rate (1.0 / ((double) d_D)); set_output_multiple (d_blocklength); } void trellis_pccc_decoder_combined_fi::set_scaling(float scaling) { d_scaling = scaling; } void trellis_pccc_decoder_combined_fi::forecast (int noutput_items, gr_vector_int &ninput_items_required) { assert (noutput_items % d_blocklength == 0); int input_required = d_D * noutput_items ; ninput_items_required[0] = input_required; } //=========================================================== int trellis_pccc_decoder_combined_fi::general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) { assert (noutput_items % d_blocklength == 0); int nblocks = noutput_items / d_blocklength; float (*p2min)(float, float) = NULL; if(d_SISO_TYPE == TRELLIS_MIN_SUM) p2min = &min; else if(d_SISO_TYPE == TRELLIS_SUM_PRODUCT) p2min = &min_star; const float *in = (const float *) input_items[0]; int *out = (int *) output_items[0]; for (int n=0;n