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/* -*- c++ -*- */
/*
* Copyright 2004 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 2, 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_TRELLIS_PERMUTATION_H
#define INCLUDED_TRELLIS_PERMUTATION_H
#include <vector>
#include <gr_sync_block.h>
class trellis_permutation;
typedef boost::shared_ptr<trellis_permutation> trellis_permutation_sptr;
trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
/*!
* \brief Permutation.
* \ingroup block
*
*
*/
class trellis_permutation : public gr_sync_block
{
private:
friend trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
int d_K;
std::vector<int> d_TABLE;
int d_SYMS_PER_BLOCK;
size_t d_NBYTES_INOUT;
trellis_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES);
public:
int K () const { return d_K; }
const std::vector<int> & TABLE () const { return d_TABLE; }
int SYMS_PER_BLOCK () const { return d_SYMS_PER_BLOCK; }
size_t NBYTES_INOUT () const { return d_NBYTES_INOUT; }
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif
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