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39 lines
1.8 KiB
39 lines
1.8 KiB
#pragma once
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#include "src/storage/sparse/StateType.h"
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#include "src/storage/FlexibleSparseMatrix.h"
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namespace storm {
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namespace solver {
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namespace stateelimination {
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enum class ScalingMode {
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Divide, DivideOneMinus
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};
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template<typename ValueType, ScalingMode Mode>
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class EliminatorBase {
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public:
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typedef typename storm::storage::FlexibleSparseMatrix<ValueType>::row_type FlexibleRowType;
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typedef typename FlexibleRowType::iterator FlexibleRowIterator;
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EliminatorBase(storm::storage::FlexibleSparseMatrix<ValueType>& matrix, storm::storage::FlexibleSparseMatrix<ValueType>& transposedMatrix);
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void eliminate(uint64_t row, uint64_t column, bool clearRow);
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// Provide virtual methods that can be customized by subclasses to govern side-effect of the elimination.
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virtual void updateValue(storm::storage::sparse::state_type const& state, ValueType const& loopProbability);
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virtual void updatePredecessor(storm::storage::sparse::state_type const& predecessor, ValueType const& probability, storm::storage::sparse::state_type const& state);
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virtual void updatePriority(storm::storage::sparse::state_type const& state);
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virtual bool filterPredecessor(storm::storage::sparse::state_type const& state);
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virtual bool isFilterPredecessor() const;
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protected:
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storm::storage::FlexibleSparseMatrix<ValueType>& matrix;
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storm::storage::FlexibleSparseMatrix<ValueType>& transposedMatrix;
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};
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} // namespace stateelimination
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} // namespace storage
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} // namespace storm
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