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yap-6.3/packages/bee/cryptominisat-2.5.1/Solver/ClauseCleaner.h
Vitor Santos Costa 16015bd8e6 bee
2019-04-22 12:15:21 +01:00

76 lines
3.0 KiB
C++
Executable File

/***********************************************************************************
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 CLAUSECLEANER_H
#define CLAUSECLEANER_H
#ifdef _MSC_VER
#include <msvc/stdint.h>
#else
#include <stdint.h>
#endif //_MSC_VER
#include "Solver.h"
#include "Subsumer.h"
#include "XorSubsumer.h"
class ClauseCleaner
{
public:
ClauseCleaner(Solver& solver);
enum ClauseSetType {clauses, xorclauses, learnts, binaryClauses, simpClauses, xorSimpClauses};
void cleanClauses(vec<Clause*>& cs, ClauseSetType type, const uint limit = 0);
void cleanClausesBewareNULL(vec<ClauseSimp>& cs, ClauseSetType type, Subsumer& subs, const uint limit = 0);
void cleanXorClausesBewareNULL(vec<XorClauseSimp>& cs, ClauseSetType type, XorSubsumer& subs, const uint limit = 0);
const bool cleanClauseBewareNULL(ClauseSimp c, Subsumer& subs);
const bool cleanXorClauseBewareNULL(XorClauseSimp c, XorSubsumer& subs);
void cleanClauses(vec<XorClause*>& cs, ClauseSetType type, const uint limit = 0);
void removeSatisfied(vec<Clause*>& cs, ClauseSetType type, const uint limit = 0);
void removeSatisfied(vec<XorClause*>& cs, ClauseSetType type, const uint limit = 0);
void removeAndCleanAll(const bool nolimit = false);
bool satisfied(const Clause& c) const;
bool satisfied(const XorClause& c) const;
void moveBinClausesToBinClauses();
private:
const bool cleanClause(XorClause& c);
const bool cleanClause(Clause*& c);
uint lastNumUnitarySat[6];
uint lastNumUnitaryClean[6];
Solver& solver;
};
inline void ClauseCleaner::removeAndCleanAll(const bool nolimit)
{
//uint limit = std::min((uint)((double)solver.order_heap.size() * PERCENTAGECLEANCLAUSES), FIXCLEANREPLACE);
uint limit = (double)solver.order_heap.size() * PERCENTAGECLEANCLAUSES;
if (nolimit) limit = 0;
removeSatisfied(solver.binaryClauses, ClauseCleaner::binaryClauses, limit);
cleanClauses(solver.clauses, ClauseCleaner::clauses, limit);
cleanClauses(solver.xorclauses, ClauseCleaner::xorclauses, limit);
cleanClauses(solver.learnts, ClauseCleaner::learnts, limit);
}
#endif //CLAUSECLEANER_H