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#pragma once
#include "storm/solver/Multiplier.h"
#include "storm/solver/OptimizationDirection.h"
namespace storm {
namespace storage {
template<typename ValueType>
class SparseMatrix;
}
namespace solver {
template<typename ValueType>
class InPlaceMultiplier : public Multiplier<ValueType> {
public:
InPlaceMultiplier(storm::storage::SparseMatrix<ValueType> const& matrix);
virtual void multiply(Environment const& env, std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result) const override;
virtual void multiplyGaussSeidel(Environment const& env, std::vector<ValueType>& x, std::vector<ValueType> const* b) const override;
virtual void multiplyAndReduce(Environment const& env, OptimizationDirection const& dir, std::vector<uint64_t> const& rowGroupIndices, std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result, std::vector<uint_fast64_t>* choices = nullptr) const override;
virtual void multiplyAndReduceGaussSeidel(Environment const& env, OptimizationDirection const& dir, std::vector<uint64_t> const& rowGroupIndices, std::vector<ValueType>& x, std::vector<ValueType> const* b, std::vector<uint_fast64_t>* choices = nullptr) const override;
virtual void multiplyRow(uint64_t const& rowIndex, std::vector<ValueType> const& x, ValueType& value) const override;
virtual void multiplyRow2(uint64_t const& rowIndex, std::vector<ValueType> const& x1, ValueType& val1, std::vector<ValueType> const& x2, ValueType& val2) const override;
private:
bool parallelize(Environment const& env) const;
void multAdd(std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result) const;
void multAddReduce(storm::solver::OptimizationDirection const& dir, std::vector<uint64_t> const& rowGroupIndices, std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result, std::vector<uint64_t>* choices = nullptr) const;
void multAddParallel(std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result) const;
void multAddReduceParallel(storm::solver::OptimizationDirection const& dir, std::vector<uint64_t> const& rowGroupIndices, std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result, std::vector<uint64_t>* choices = nullptr) const;
};
}
}