element-gf2-extension.h

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/* 
 * Copyright (C) 2015 Antoine Joux, Vanessa Vitse and Titouan Coladon
 * 
 * This file is part of openf4.
 * 
 * openf4 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.
 * 
 * openf4 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 openf4.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef OPENF4_ELEMENT_GF2_EXTENSION_H
#define OPENF4_ELEMENT_GF2_EXTENSION_H

#include "global.h"
#include <iostream>
#include <string.h>
#include <cassert>
#include <algorithm>
#include <cctype>
namespace F4
{
    template <typename baseType>
    class ElementGF2Extension
    {
        public:
            
            /* static methods */
            
            static void setModulo(baseType modulo);
            
            static void setModulo(std::string modulo);
            
            static baseType getModulo();
            
            static void setVariableName(std::string var);
            
            static baseType getMask();
            
            static baseType getMaskBit();
            
            
            /* No constructor because POD */
            
            /* No Destructor because POD */
            
            
            /* Miscellaneous */
            
            baseType modulo ();
            
            baseType getElement () const;
            
            ElementGF2Extension<baseType> & addMult(ElementGF2Extension<baseType> const & element, ElementGF2Extension<baseType> const & mult);
            
            ElementGF2Extension<baseType> & addMultBase2(ElementGF2Extension<baseType> const & element, ElementGF2Extension<baseType> const & mult);
            
            ElementGF2Extension<baseType> & addMultBase4(ElementGF2Extension<baseType> const & element, ElementGF2Extension<baseType> const & mult);
            
            ElementGF2Extension<baseType> & addMultBase16(ElementGF2Extension<baseType> const & element, ElementGF2Extension<baseType> const & mult);
            
            ElementGF2Extension<baseType> & addMultBase256(ElementGF2Extension<baseType> const & element, ElementGF2Extension<baseType> const & mult);
            
            ElementGF2Extension<baseType> & inverse();
            
            void printElementGF2Extension (std::ostream & stream) const;
            
            bool isZero() const;
            
            bool isOne() const;
            
            void setZero();
            
            void setOne();
            
            
            /* Internal operators */
            
            ElementGF2Extension & operator=(baseType const element);
            
            ElementGF2Extension & operator=(std::string element);
            
            ElementGF2Extension & operator*=(ElementGF2Extension const & mult); 
            
            ElementGF2Extension & multBase2(ElementGF2Extension const & mult); 
            
            ElementGF2Extension & multBase4(ElementGF2Extension const & mult); 
            
            ElementGF2Extension & multBase16(ElementGF2Extension const & mult);
            
            ElementGF2Extension & multBase256(ElementGF2Extension const & mult);
            
            /* Public attribute because POD */
            
            baseType _element; 
            static baseType MODULO; 
            static baseType MASK_BIT; 
            static baseType MASK; 
            static std::string VARIABLE_NAME; 
    };
    
    
    /* External operators */
    
    template <typename baseType>
    std::ostream & operator<<(std::ostream & stream, ElementGF2Extension<baseType> const & element);
    
    template <typename baseType>
    ElementGF2Extension<baseType> operator * (ElementGF2Extension<baseType> const & element1, ElementGF2Extension<baseType> const & element2);
    
    template <typename baseType>
    ElementGF2Extension<baseType> operator - (ElementGF2Extension<baseType> const & element);
}

#include "../src/element-gf2-extension.inl"
#endif // OPENF4_ELEMENT_GF2_EXTENSION_H