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#ifndef STORM_SOLVER_TOPOLOGICALVALUEITERATIONNONDETERMINISTICLINEAREQUATIONSOLVER_H_
#define STORM_SOLVER_TOPOLOGICALVALUEITERATIONNONDETERMINISTICLINEAREQUATIONSOLVER_H_
#include "src/solver/NativeNondeterministicLinearEquationSolver.h"
#include "src/storage/StronglyConnectedComponentDecomposition.h"
#include "src/storage/SparseMatrix.h"
#include <utility>
#include <vector>
#include "storm-config.h"
#ifdef STORM_HAVE_CUDAFORSTORM
# include "cudaForStorm.h"
#endif
namespace storm {
namespace solver {
/*!
* A class that uses SCC Decompositions to solve a linear equation system
*/
template<class ValueType>
class TopologicalValueIterationNondeterministicLinearEquationSolver : public NativeNondeterministicLinearEquationSolver<ValueType> {
public:
/*!
* Constructs a nondeterministic linear equation solver with parameters being set according to the settings
* object.
*/
TopologicalValueIterationNondeterministicLinearEquationSolver();
/*!
* Constructs a nondeterminstic linear equation solver with the given parameters.
*
* @param precision The precision to use for convergence detection.
* @param maximalNumberOfIterations The maximal number of iterations do perform before iteration is aborted.
* @param relative If set, the relative error rather than the absolute error is considered for convergence
* detection.
*/
TopologicalValueIterationNondeterministicLinearEquationSolver(double precision, uint_fast64_t maximalNumberOfIterations, bool relative = true);
virtual NondeterministicLinearEquationSolver<ValueType>* clone() const override;
virtual void solveEquationSystem(bool minimize, storm::storage::SparseMatrix<ValueType> const& A, std::vector<ValueType>& x, std::vector<ValueType> const& b, std::vector<ValueType>* multiplyResult = nullptr, std::vector<ValueType>* newX = nullptr) const override;
private:
/*!
* Given a topological sort of a SCC Decomposition, this will calculate the optimal grouping of SCCs with respect to the size of the GPU memory.
*/
std::vector<std::pair<bool, storm::storage::StateBlock>> getOptimalGroupingFromTopologicalSccDecomposition(storm::storage::StronglyConnectedComponentDecomposition<ValueType> const& sccDecomposition, std::vector<uint_fast64_t> const& topologicalSort, storm::storage::SparseMatrix<ValueType> const& matrix) const;
};
template <typename ValueType>
bool __basicValueIteration_mvReduce_uint64_minimize(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<ValueType>> const& columnIndicesAndValues, std::vector<ValueType>& x, std::vector<ValueType> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
//
throw;
}
template <>
inline bool __basicValueIteration_mvReduce_uint64_minimize<double>(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<double>> const& columnIndicesAndValues, std::vector<double>& x, std::vector<double> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
#ifdef STORM_HAVE_CUDAFORSTORM
return basicValueIteration_mvReduce_uint64_double_minimize(maxIterationCount, precision, relativePrecisionCheck, matrixRowIndices, columnIndicesAndValues, x, b, nondeterministicChoiceIndices, iterationCount);
#else
throw;
#endif
}
template <>
inline bool __basicValueIteration_mvReduce_uint64_minimize<float>(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<float>> const& columnIndicesAndValues, std::vector<float>& x, std::vector<float> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
#ifdef STORM_HAVE_CUDAFORSTORM
return basicValueIteration_mvReduce_uint64_float_minimize(maxIterationCount, precision, relativePrecisionCheck, matrixRowIndices, columnIndicesAndValues, x, b, nondeterministicChoiceIndices, iterationCount);
#else
throw;
#endif
}
template <typename ValueType>
bool __basicValueIteration_mvReduce_uint64_maximize(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<ValueType>> const& columnIndicesAndValues, std::vector<ValueType>& x, std::vector<ValueType> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
//
throw;
}
template <>
inline bool __basicValueIteration_mvReduce_uint64_maximize<double>(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<double>> const& columnIndicesAndValues, std::vector<double>& x, std::vector<double> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
#ifdef STORM_HAVE_CUDAFORSTORM
return basicValueIteration_mvReduce_uint64_double_maximize(maxIterationCount, precision, relativePrecisionCheck, matrixRowIndices, columnIndicesAndValues, x, b, nondeterministicChoiceIndices, iterationCount);
#else
throw;
#endif
}
template <>
inline bool __basicValueIteration_mvReduce_uint64_maximize<float>(uint_fast64_t const maxIterationCount, double const precision, bool const relativePrecisionCheck, std::vector<uint_fast64_t> const& matrixRowIndices, std::vector<storm::storage::MatrixEntry<float>> const& columnIndicesAndValues, std::vector<float>& x, std::vector<float> const& b, std::vector<uint_fast64_t> const& nondeterministicChoiceIndices, size_t& iterationCount) {
#ifdef STORM_HAVE_CUDAFORSTORM
return basicValueIteration_mvReduce_uint64_float_maximize(maxIterationCount, precision, relativePrecisionCheck, matrixRowIndices, columnIndicesAndValues, x, b, nondeterministicChoiceIndices, iterationCount);
#else
throw;
#endif
}
} // namespace solver
} // namespace storm
#endif /* STORM_SOLVER_NATIVENONDETERMINISTICLINEAREQUATIONSOLVER_H_ */