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yap-6.3/packages/bee/cryptominisat-2.5.1/Solver/MatrixFinder.h

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2019-04-22 12:15:21 +01:00
/***********************************************************************************
CryptoMiniSat -- Copyright (c) 2009 Mate Soos
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 MATRIXFINDER_H
#define MATRIXFINDER_H
#include <vector>
#include <map>
#ifdef _MSC_VER
#include <msvc/stdint.h>
#else
#include <stdint.h>
#endif //_MSC_VER
#include "Clause.h"
#include "Solver.h"
class Solver;
using std::map;
using std::vector;
using std::pair;
class MatrixFinder {
public:
MatrixFinder(Solver& solver);
const bool findMatrixes();
private:
const uint setMatrixes();
struct mysorter
{
bool operator () (const pair<uint, uint>& left, const pair<uint, uint>& right)
{
return left.second < right.second;
}
};
void findParts(vector<Var>& xorFingerprintInMatrix, vector<XorClause*>& xorsInMatrix);
inline const Var fingerprint(const XorClause& c) const;
inline const bool firstPartOfSecond(const XorClause& c1, const XorClause& c2) const;
map<uint, vector<Var> > reverseTable; //matrix -> vars
vector<Var> table; //var -> matrix
uint matrix_no;
Solver& solver;
};
#endif //MATRIXFINDER_H