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#ifndef STORM_SOLVER_STATEELIMINATION_CONDITIONALSTATEELIMINATOR_H_
#define STORM_SOLVER_STATEELIMINATION_CONDITIONALSTATEELIMINATOR_H_
#include "src/solver/stateelimination/StateEliminator.h"
#include "src/storage/BitVector.h"
namespace storm {
namespace solver {
namespace stateelimination {
template<typename ValueType>
class ConditionalStateEliminator : public StateEliminator<ValueType> {
public:
enum class StateLabel { NONE, PHI, PSI };
ConditionalStateEliminator(storm::storage::FlexibleSparseMatrix<ValueType>& transitionMatrix, storm::storage::FlexibleSparseMatrix<ValueType>& backwardTransitions, std::vector<ValueType>& oneStepProbabilities, storm::storage::BitVector& phiStates, storm::storage::BitVector& psiStates);
// Instantiaton of Virtual methods
void updateValue(storm::storage::sparse::state_type const& state, ValueType const& loopProbability) override;
void updatePredecessor(storm::storage::sparse::state_type const& predecessor, ValueType const& probability, storm::storage::sparse::state_type const& state) override;
bool filterPredecessor(storm::storage::sparse::state_type const& state) override;
bool isFilterPredecessor() const override;
void setFilterPhi();
void setFilterPsi();
void setFilter(StateLabel const& stateLabel);
void unsetFilter();
private:
std::vector<ValueType>& oneStepProbabilities;
storm::storage::BitVector& phiStates;
storm::storage::BitVector& psiStates;
StateLabel filterLabel;
};
} // namespace stateelimination
} // namespace storage
} // namespace storm
#endif // STORM_SOLVER_STATEELIMINATION_CONDITIONALSTATEELIMINATOR_H_