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#ifndef STORM_MODELCHECKER_SPARSE_MARKOVAUTOMATON_CSL_MODELCHECKER_HELPER_H_
#define STORM_MODELCHECKER_SPARSE_MARKOVAUTOMATON_CSL_MODELCHECKER_HELPER_H_
#include "storm/storage/BitVector.h"
#include "storm/storage/MaximalEndComponent.h"
#include "storm/solver/OptimizationDirection.h"
#include "storm/solver/MinMaxLinearEquationSolver.h"
#include "storm/utility/NumberTraits.h"
namespace storm {
namespace modelchecker {
namespace helper {
class SparseMarkovAutomatonCslHelper {
public:
/*!
* Computes TBU according to the UnifPlus algorithm
*
* @param boundsPair With precondition that the first component is 0, the second one gives the time bound
* @param exitRateVector the exit-rates of the given MA
* @param transitionMatrix the transitions of the given MA
* @param markovianStates bitvector refering to the markovian states
* @param psiStates bitvector refering to the goal states
*
* @return the probability vector
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static std::vector<ValueType> unifPlus(OptimizationDirection dir, std::pair<double, double> const& boundsPair, std::vector<ValueType> const& exitRateVector, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeBoundedUntilProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::pair<double, double> const& boundsPair, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeBoundedUntilProbabilitiesImca(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::pair<double, double> const& boundsPair, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeBoundedUntilProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::pair<double, double> const& boundsPair, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeUntilProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename RewardModelType>
static std::vector<ValueType> computeReachabilityRewards(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, RewardModelType const& rewardModel, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeLongRunAverageProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename RewardModelType>
static std::vector<ValueType> computeLongRunAverageRewards(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, RewardModelType const& rewardModel, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeReachabilityTimes(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
private:
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void calculateUnifPlusVector(uint64_t k, uint64_t node, uint64_t const kind, ValueType lambda, uint64_t probSize, std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, std::vector<std::vector<std::vector<ValueType>>>& unifVectors, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void deleteProbDiagonals(storm::storage::SparseMatrix<ValueType>& transitionMatrix, storm::storage::BitVector const& markovianStates);
static uint64_t transformIndice(storm::storage::BitVector const& subset, uint64_t fakeId){
uint64_t id =0;
uint64_t counter =0;
while(counter<=fakeId){
if(subset[id]){
counter++;
}
id++;
}
return id-1;
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static storm::storage::BitVector identifyProbCyclesGoalStates(storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& cycleStates);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static storm::storage::BitVector identifyProbCycles(storm::storage::SparseMatrix<ValueType> const& TransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates);
/*!
* Computes the poission-distribution
*
*
* @param parameter lambda to use
* @param point i
* TODO: replace with Fox-glynn
* @return the probability
*/
template <typename ValueType>
static ValueType poisson(ValueType lambda, uint64_t i);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static uint64_t trajans(storm::storage::SparseMatrix<ValueType> const& TransitionMatrix, uint64_t node, std::vector<uint64_t>& disc, std::vector<uint64_t>& finish, uint64_t * counter);
/*
* Computes vu vector according to UnifPlus
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void calculateVu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, uint64_t const kind, ValueType lambda, uint64_t probSize, std::vector<std::vector<std::vector<ValueType>>>& unifVectors, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver);
/*!
* Prints the TransitionMatrix and the vectors vd, vu, wu to the logfile
* TODO: delete when development is finished
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void printTransitions(storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates,
storm::storage::BitVector const& psiStates, std::vector<std::vector<ValueType>> relReachability,
storm::storage::BitVector const& cycleStates , storm::storage::BitVector const& cycleGoalStates ,std::vector<std::vector<std::vector<ValueType>>>& unifVectors);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static void computeBoundedReachabilityProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRates, storm::storage::BitVector const& goalStates, storm::storage::BitVector const& markovianNonGoalStates, storm::storage::BitVector const& probabilisticNonGoalStates, std::vector<ValueType>& markovianNonGoalValues, std::vector<ValueType>& probabilisticNonGoalValues, ValueType delta, uint64_t numberOfSteps, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static void computeBoundedReachabilityProbabilities(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRates, storm::storage::BitVector const& goalStates, storm::storage::BitVector const& markovianNonGoalStates, storm::storage::BitVector const& probabilisticNonGoalStates, std::vector<ValueType>& markovianNonGoalValues, std::vector<ValueType>& probabilisticNonGoalValues, ValueType delta, uint64_t numberOfSteps, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
/*!
* Computes the long-run average value for the given maximal end component of a Markov automaton.
*
* Implementations are based on Linear Programming (LP) and Value Iteration (VI).
*
* @param dir Sets whether the long-run average is to be minimized or maximized.
* @param transitionMatrix The transition matrix of the underlying Markov automaton.
* @param markovianStates A bit vector storing all markovian states.
* @param exitRateVector A vector with exit rates for all states. Exit rates of probabilistic states are
* assumed to be zero.
* @param rewardModel The considered reward model
* @param actionRewards The action rewards (earned instantaneously).
* @param mec The maximal end component to consider for computing the long-run average.
* @param minMaxLinearEquationSolverFactory The factory for creating MinMaxLinearEquationSolvers (if needed by the performed method
* @return The long-run average of being in a goal state for the given MEC.
*/
template <typename ValueType, typename RewardModelType>
static ValueType computeLraForMaximalEndComponent(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, RewardModelType const& rewardModel, storm::storage::MaximalEndComponent const& mec, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
template <typename ValueType, typename RewardModelType>
static ValueType computeLraForMaximalEndComponentLP(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, RewardModelType const& rewardModel, storm::storage::MaximalEndComponent const& mec);
template <typename ValueType, typename RewardModelType>
static ValueType computeLraForMaximalEndComponentVI(OptimizationDirection dir, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& markovianStates, RewardModelType const& rewardModel, storm::storage::MaximalEndComponent const& mec, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
};
}
}
}
#endif /* STORM_MODELCHECKER_SPARSE_MARKOVAUTOMATON_CSL_MODELCHECKER_HELPER_H_ */