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/***********************************************************************
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 ONLYNONLEARNTBINS_H
#define ONLYNONLEARNTBINS_H
#include "Solver.h"
namespace CMSat {
/**
@brief Handles propagation, addition&removal of non-learnt binary clauses
It takes a snapshot of Solver's non-learnt binary clauses, builds its own
watchlists, and does everything itself.*/
class OnlyNonLearntBins
{
public:
OnlyNonLearntBins(Solver& solver);
/**
@brief For storing a binary clause
*/
class WatchedBin {
public:
WatchedBin(Lit _impliedLit) : impliedLit(_impliedLit) {};
Lit impliedLit;
};
//propagation
bool propagate();
//Management of clauses
bool fill();
//helper
inline uint32_t getWatchSize(const Lit lit) const;
inline const vec<vec<WatchedBin> >& getBinWatches() const;
private:
vec<vec<WatchedBin> > binwatches; ///<Internal wathclists for non-learnt binary clauses
Solver& solver;
};
inline uint32_t OnlyNonLearntBins::getWatchSize(const Lit lit) const
{
return binwatches[lit.toInt()].size();
}
inline const vec<vec<OnlyNonLearntBins::WatchedBin> >& OnlyNonLearntBins::getBinWatches() const
{
return binwatches;
}
}
#endif //ONLYNONLEARNTBINS_H
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