/shared/development/google_code/rssoft/library/lib/RS_Encoding.h

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/*
 Copyright 2013 Edouard Griffiths <f4exb at free dot fr>

 This file is part of RSSoft. A Reed-Solomon Soft Decoding library

 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 2 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, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA

 Does the Reed-Solomon encoding of a message.
 This is the genuine, straightforward, non-systematic encoding that
 takes message symbols to build the successive coefficients of the
 encoding polynomial. Then this polynomial is evaluated at the
 evaluation points to make the codeword.

 */
#ifndef __RS_ENCODING_H__
#define __RS_ENCODING_H__

#include "GFq.h"
#include "GFq_Element.h"
#include <vector>

namespace rssoft
{

class EvaluationValues;

class RS_Encoding
{
public:
        RS_Encoding(const gf::GFq& _gf, unsigned int k, const EvaluationValues& _evaluation_values);

        ~RS_Encoding();

        void run(const std::vector<gf::GFq_Symbol>& message, std::vector<gf::GFq_Symbol>& codeword) const;

protected:
        const gf::GFq& gf; 
        unsigned int k; 
        const EvaluationValues& evaluation_values; 
};


} // namespace rssoft

#endif // __RS_ENCODING_H__