GNU Radio 3.6.3 C++ API
trellis_constellation_metrics_cf.h
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/* -*- c++ -*- */
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/*
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* Copyright 2004,2010,2011 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_TRELLIS_CONSTELLATION_METRICS_CF_H
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#define INCLUDED_TRELLIS_CONSTELLATION_METRICS_CF_H
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#include <
trellis_api.h
>
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#include <
gr_block.h
>
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#include <
digital_constellation.h
>
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#include <
digital_metric_type.h
>
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class
trellis_constellation_metrics_cf
;
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typedef
boost::shared_ptr<trellis_constellation_metrics_cf>
trellis_constellation_metrics_cf_sptr
;
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TRELLIS_API
trellis_constellation_metrics_cf_sptr
trellis_make_constellation_metrics_cf
(
digital_constellation_sptr
constellation,
trellis_metric_type_t
TYPE);
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/*!
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* \brief Evaluate metrics for use by the Viterbi algorithm.
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* \ingroup coding_blk
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*/
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class
TRELLIS_API
trellis_constellation_metrics_cf
:
public
gr_block
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{
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public
:
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void
forecast
(
int
noutput_items,
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gr_vector_int
&ninput_items_required);
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int
general_work
(
int
noutput_items,
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gr_vector_int
&ninput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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protected
:
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trellis_constellation_metrics_cf
(
digital_constellation_sptr
constellation,
trellis_metric_type_t
TYPE);
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private
:
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digital_constellation_sptr
d_constellation;
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trellis_metric_type_t
d_TYPE;
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unsigned
int
d_O;
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unsigned
int
d_D;
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friend
TRELLIS_API
trellis_constellation_metrics_cf_sptr
trellis_make_constellation_metrics_cf
(
digital_constellation_sptr
constellation,
trellis_metric_type_t
TYPE);
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};
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#endif
gnuradio
gr-trellis
src
lib
trellis_constellation_metrics_cf.h
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