trellis_permutation.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 
00024 #ifndef INCLUDED_TRELLIS_PERMUTATION_H
00025 #define INCLUDED_TRELLIS_PERMUTATION_H
00026 
00027 #include <vector>
00028 #include <gr_sync_block.h>
00029 
00030 class trellis_permutation;
00031 typedef boost::shared_ptr<trellis_permutation> trellis_permutation_sptr;
00032 
00033 trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
00034 
00041 class trellis_permutation : public gr_sync_block
00042 {
00043 private:
00044   friend trellis_permutation_sptr trellis_make_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES_INOUT);
00045   int d_K;
00046   std::vector<int> d_TABLE;
00047   int d_SYMS_PER_BLOCK;
00048   size_t d_NBYTES_INOUT;
00049   trellis_permutation (int K, const std::vector<int> &TABLE, int SYMS_PER_BLOCK, size_t NBYTES); 
00050 
00051 public:
00052   int K () const { return d_K; }
00053   const std::vector<int> & TABLE () const { return d_TABLE; }
00054   int SYMS_PER_BLOCK () const { return d_SYMS_PER_BLOCK; }
00055   size_t NBYTES_INOUT () const { return d_NBYTES_INOUT; }
00056 
00057   int work (int noutput_items,
00058             gr_vector_const_void_star &input_items,
00059             gr_vector_void_star &output_items);
00060 };
00061 
00062 #endif

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