tutorial-gf2-method2.cpp

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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/>.
 */

#include <iostream>
#include <string>
#include <vector>
#include <libopenf4.h>

using namespace std;

int main (int argc, char **argv)
{
    cout << "#########################################################" << endl;
    cout << "#               TUTORIAL WITH LIBRARY USE               #" << endl;
    cout << "#########################################################" << endl << endl;
    
    // Create polynomial array.
    vector<string> polynomialArray;
    
    // Create variable name array.
    vector<string> variableName;
    for(int i = 0; i < 6; i++)
    {
        variableName.push_back('x'+to_string(i));
    }
    
    // Fill the polynomial array.
    polynomialArray.emplace_back("x0+x1+x2+x3+x4+x5");
    polynomialArray.emplace_back("x0*x1+x1*x2+x2*x3+x3*x4+x0*x5+x4*x5");
    polynomialArray.emplace_back("x0*x1*x2+x1*x2*x3+x2*x3*x4+x0*x1*x5+x0*x4*x5+x3*x4*x5");
    polynomialArray.emplace_back("x0*x1*x2*x3+x1*x2*x3*x4+x0*x1*x2*x5+x0*x1*x4*x5+x0*x3*x4*x5+x2*x3*x4*x5");
    polynomialArray.emplace_back("x0*x1*x2*x3*x4+x0*x1*x2*x3*x5+x0*x1*x2*x4*x5+x0*x1*x3*x4*x5+x0*x2*x3*x4*x5+x1*x2*x3*x4*x5");
    polynomialArray.emplace_back("x0*x1*x2*x3*x4*x5-1");
    
    // Compute a reduce groebner basis.
    vector<string> basis = groebnerBasisGF2F4(6, variableName, polynomialArray, 1, 0);
    
    // Print the reduce groebner basis.
    for(size_t i = 0; i < basis.size(); i++)
    {
        cout << basis[i] << endl;
    }
}