public DiscreteTimeMarkovChain(ModelCapacity modelCapacity)
{
var modelSize = modelCapacity.DeriveModelByteSize(_sizeOfState, _sizeOfTransition);
StateLabeling = new LabelVector();
ProbabilityMatrix = new SparseDoubleMatrix(modelSize.NumberOfStates + 1, modelSize.NumberOfTransitions); // one additional row for row of initial distribution
}
public MarkovDecisionProcess(ModelCapacity modelCapacity)
{
var modelSize = modelCapacity.DeriveModelByteSize(_sizeOfState, _sizeOfTransition);
StateLabeling = new LabelVector();
var numbersOfTransitionsPerState = ((double)modelSize.NumberOfTransitions) / modelSize.NumberOfStates;
var numbersOfDistributionsPerState = (long)Math.Ceiling(Math.Sqrt(numbersOfTransitionsPerState));
var numberOfDistributions = modelSize.NumberOfStates * numbersOfDistributionsPerState;
RowsWithDistributions = new SparseDoubleMatrix(numberOfDistributions, modelSize.NumberOfTransitions); // need for every distribution one row
StateToRowsL = new int[modelSize.NumberOfStates + 1]; // one additional row for initial distributions
StateToRowsRowCount = new int[modelSize.NumberOfStates + 1]; // one additional row for initial distributions
SetRowOfStateEntriesToInvalid();
}
public NestedMarkovDecisionProcess(ModelCapacity modelCapacity)
{
var modelSize = modelCapacity.DeriveModelByteSize(StateSize, TransitionSize);
StateLabeling = new LabelVector();
States = (int)modelSize.NumberOfStates;
_maxNumberOfContinuationGraphElements = modelSize.NumberOfTransitions * 10L;
_maxNumberOfContinuationGraphElements = Math.Max(_maxNumberOfContinuationGraphElements, 1024);
Requires.InRange(_maxNumberOfContinuationGraphElements, nameof(_maxNumberOfContinuationGraphElements), 1024, Int64.MaxValue - 1);
_stateToRootOfContinuationGraphBuffer.Resize(States * sizeof(long), zeroMemory: false);
_stateToRootOfContinuationGraphMemory = (long *)_stateToRootOfContinuationGraphBuffer.Pointer;
_continuationGraphBuffer.Resize((long)_maxNumberOfContinuationGraphElements * sizeof(ContinuationGraphElement), zeroMemory: false);
_continuationGraph = (ContinuationGraphElement *)_continuationGraphBuffer.Pointer;
MemoryBuffer.SetAllBitsMemoryWithInitblk.ClearWithMinus1(_stateToRootOfContinuationGraphMemory, States);
}
protected SafetyAnalysisResults <SafetySharpRuntimeModel> DccaWithMaxCardinality(ModelBase model, Formula hazard, int maxCardinality, ModelCapacity capacity)
{
var analysis = new SafetySharpSafetyAnalysis
{
Backend = (SafetyAnalysisBackend)Arguments[0],
Configuration =
{
ModelCapacity = capacity,
GenerateCounterExample = !SuppressCounterExampleGeneration,
DefaultTraceOutput = Output.TextWriterAdapter()
}
};
if (Heuristics != null)
{
analysis.Heuristics.AddRange(Heuristics);
}
var result = analysis.ComputeMinimalCriticalSets(model, hazard, maxCardinality);
Output.Log("{0}", result);
return(result);
}
protected SafetyAnalysisResults <SafetySharpRuntimeModel> DccaWithMaxCardinality(Formula hazard, int maxCardinality, ModelCapacity capacity, params IComponent[] components)
{
return(DccaWithMaxCardinality(TestModel.InitializeModel(components), hazard, maxCardinality, capacity));
}
