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#pragma once
#include "storm/solver/Multiplier.h"
#include "storm/adapters/GmmxxAdapter.h"
#include "storm-config.h"
namespace storm {
namespace storage {
template<typename ValueType>
class SparseMatrix;
}
namespace solver {
template<typename ValueType>
class GmmxxMultiplier : public Multiplier<ValueType> {
public:
GmmxxMultiplier(storm::storage::SparseMatrix<ValueType> const& matrix);
virtual ~GmmxxMultiplier() = default;
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, bool backwards = true) 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, bool backwards = true) const override;
virtual void multiplyRow(uint64_t const& rowIndex, std::vector<ValueType> const& x, ValueType& value) const override;
virtual void clearCache() const override;
private:
void initialize() const;
bool parallelize(Environment const& env) const;
void multAdd(std::vector<ValueType> const& x, std::vector<ValueType> const* b, std::vector<ValueType>& result) 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;
void multAddReduceHelper(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, bool backwards = true) const;
template<typename Compare, bool backwards = true>
void multAddReduceHelper(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;
mutable gmm::csr_matrix<ValueType> gmmMatrix;
};
}
}