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/* -*- c++ -*- */
/*
* Copyright 2004,2010,2012 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.
*/
// @WARNING@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "@NAME@.h"
#include <gr_io_signature.h>
#include <iostream>
namespace gr {
namespace trellis {
@BASE_NAME@::sptr
@BASE_NAME@::make(const fsm &FSM, int ST)
{
return gnuradio::get_initial_sptr
(new @IMPL_NAME@(FSM,ST));
}
@IMPL_NAME@::@IMPL_NAME@(const fsm &FSM, int ST)
: gr_sync_block("@BASE_NAME@",
gr_make_io_signature(1, -1, sizeof(@I_TYPE@)),
gr_make_io_signature(1, -1, sizeof(@O_TYPE@))),
d_FSM(FSM),
d_ST(ST)
{
}
@IMPL_NAME@::~@IMPL_NAME@()
{
}
int
@IMPL_NAME@::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
int ST_tmp = 0;
int nstreams = input_items.size();
for(int m=0;m<nstreams;m++) {
const @I_TYPE@ *in = (const @I_TYPE@*)input_items[m];
@O_TYPE@ *out = (@O_TYPE@ *) output_items[m];
ST_tmp = d_ST;
// per stream processing
for(int i = 0; i < noutput_items; i++) {
out[i] = (@O_TYPE@)d_FSM.OS()[ST_tmp*d_FSM.I()+in[i]]; // direction of time?
ST_tmp = (int)d_FSM.NS()[ST_tmp*d_FSM.I()+in[i]];
}
// end per stream processing
}
d_ST = ST_tmp;
return noutput_items;
}
} /* namespace trellis */
} /* namespace gr */
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