3 * Copyright 2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
24 #ifndef INCLUDED_TRELLIS_PERMUTATION_H
25 #define INCLUDED_TRELLIS_PERMUTATION_H
28 #include <gr_sync_block.h>
30 class trellis_permutation;
31 typedef boost::shared_ptr<trellis_permutation> trellis_permutation_sptr;
33 trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
39 class trellis_permutation : public gr_sync_block
42 friend trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
44 std::vector<int> d_TABLE;
46 size_t d_NBYTES_INOUT;
47 trellis_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES);
50 int K () const { return d_K; }
51 const std::vector<int> & TABLE () const { return d_TABLE; }
52 int SYMS_PER_BLOCK () const { return d_SYMS_PER_BLOCK; }
53 size_t NBYTES_INOUT () const { return d_NBYTES_INOUT; }
55 int work (int noutput_items,
56 gr_vector_const_void_star &input_items,
57 gr_vector_void_star &output_items);