reed_muller.h

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/* -*- c++ -*- */
/*
 * gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
 *
 *  Copyright (C) 2021, Libre Space Foundation <http://libre.space>
 *
 *  This program 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 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef INCLUDED_SATNOGS_REED_MULLER_H
#define INCLUDED_SATNOGS_REED_MULLER_H
 
#include <gnuradio/satnogs/api.h>
#include <array>
#include <bitset>
#include <cstdint>
 
namespace gr {
namespace satnogs {
 
/*!
 * \brief A binary Reed-Muller(1, 6) encoder and decoder.
 *
 */
class SATNOGS_API reed_muller
{
public:
    reed_muller();
    ~reed_muller();
 
    uint64_t encode(const uint8_t in);
 
    uint8_t decode(const uint64_t in);
 
private:
    const size_t d_r;
    const size_t d_m;
    std::array<std::bitset<64>, 7> d_G;
};
 
} // namespace satnogs
} // namespace gr
 
#endif /* INCLUDED_SATNOGS_REED_MULLER_H */