/* -*- 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@

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <@NAME@.h>
#include <gr_io_signature.h>
#include <iostream>

@SPTR_NAME@ 
trellis_make_@BASE_NAME@ (
  const fsm &FSM1, int ST1,
  const fsm &FSM2, int ST2,
  const interleaver &INTERLEAVER,
  int blocklength
)
{
  return gnuradio::get_initial_sptr (new @NAME@ (FSM1,ST1,FSM2,ST2,INTERLEAVER,blocklength));
}

@NAME@::@NAME@ (
  const fsm &FSM1, int ST1,
  const fsm &FSM2, int ST2,
  const interleaver &INTERLEAVER,
  int blocklength
)
  : gr_sync_block ("@BASE_NAME@",
		   gr_make_io_signature (1, 1, sizeof (@I_TYPE@)),
		   gr_make_io_signature (1, 1, sizeof (@O_TYPE@))),
    d_FSM1 (FSM1),
    d_ST1 (ST1),
    d_FSM2 (FSM2),
    d_ST2 (ST2),
    d_INTERLEAVER (INTERLEAVER),
    d_blocklength (blocklength)
{
  assert(d_FSM1.I() == d_FSM2.I());
  set_output_multiple(d_blocklength);
  d_buffer.resize(d_blocklength);
}



int 
@NAME@::work (int noutput_items,
			gr_vector_const_void_star &input_items,
			gr_vector_void_star &output_items)
{
  assert(noutput_items%d_blocklength ==0);
  for (int b = 0 ; b<noutput_items/d_blocklength; b++) { 
    const @I_TYPE@ *in = (const @I_TYPE@ *) input_items[0]+b*d_blocklength;
    @O_TYPE@ *out = (@O_TYPE@ *) output_items[0]+b*d_blocklength;

    int ST1_tmp = d_ST1;
    int ST2_tmp = d_ST2;
    for (int i = 0; i < d_blocklength; i++){
      int k = d_INTERLEAVER.INTER()[i];
      int o1 = d_FSM1.OS()[ST1_tmp*d_FSM1.I()+in[i]];
      ST1_tmp = (int) d_FSM1.NS()[ST1_tmp*d_FSM1.I()+in[i]];
      int o2 = d_FSM2.OS()[ST2_tmp*d_FSM2.I()+in[k]];
      ST2_tmp = (int) d_FSM2.NS()[ST2_tmp*d_FSM2.I()+in[k]];
      out[i] = (@O_TYPE@) (o1*d_FSM1.O() + o2);
    }
  }
  return noutput_items;
}