80 lines
4.8 KiB

#pragma once
#include "storm/transformer/ContinuousToDiscreteTimeModelTransformer.h"
#include "storm/transformer/SymbolicToSparseTransformer.h"
#include "storm/utility/macros.h"
#include "storm/exceptions/InvalidOperationException.h"
#include "storm/exceptions/NotSupportedException.h"
namespace storm {
namespace api {
/*!
* Transforms the given continuous model to a discrete time model.
* If such a transformation does not preserve one of the given formulas, an error is issued.
*/
template <typename ValueType>
std::shared_ptr<storm::models::sparse::Model<ValueType>> transformContinuousToDiscreteTimeSparseModel(std::shared_ptr<storm::models::sparse::Model<ValueType>> const& model, std::vector<std::shared_ptr<storm::logic::Formula const>> const& formulas) {
storm::transformer::ContinuousToDiscreteTimeModelTransformer<ValueType> transformer;
for (auto const& formula : formulas) {
STORM_LOG_THROW(transformer.preservesFormula(*formula), storm::exceptions::InvalidOperationException, "Transformation to discrete time model does not preserve formula " << *formula << ".");
}
if (model->isOfType(storm::models::ModelType::Ctmc)) {
return transformer.transform(*model->template as<storm::models::sparse::Ctmc<ValueType>>());
} else if (model->isOfType(storm::models::ModelType::MarkovAutomaton)) {
return transformer.transform(*model->template as<storm::models::sparse::MarkovAutomaton<ValueType>>());
} else {
STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Transformation of a " << model->getType() << " to a discrete time model is not supported");
}
return nullptr;
}
/*!
* Transforms the given continuous model to a discrete time model IN PLACE.
* This means that the input continuous time model is replaced by the new discrete time model.
* If such a transformation does not preserve one of the given formulas, an error is issued.
*/
template <typename ValueType>
std::shared_ptr<storm::models::sparse::Model<ValueType>> transformContinuousToDiscreteTimeSparseModel(storm::models::sparse::Model<ValueType>&& model, std::vector<std::shared_ptr<storm::logic::Formula const>> const& formulas) {
storm::transformer::ContinuousToDiscreteTimeModelTransformer<ValueType> transformer;
for (auto const& formula : formulas) {
STORM_LOG_THROW(transformer.preservesFormula(*formula), storm::exceptions::InvalidOperationException, "Transformation to discrete time model does not preserve formula " << *formula << ".");
}
if (model.isOfType(storm::models::ModelType::Ctmc)) {
return transformer.transform(std::move(*model.template as<storm::models::sparse::Ctmc<ValueType>>()));
} else if (model.isOfType(storm::models::ModelType::MarkovAutomaton)) {
return transformer.transform(std::move(*model.template as<storm::models::sparse::MarkovAutomaton<ValueType>>()));
} else {
STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Transformation of a " << model.getType() << " to a discrete time model is not supported.");
}
return nullptr;
}
/*!
* Transforms the given symbolic model to a sparse model.
*/
template<storm::dd::DdType Type, typename ValueType>
std::shared_ptr<storm::models::sparse::Model<ValueType>> transformSymbolicToSparseModel(std::shared_ptr<storm::models::symbolic::Model<Type, ValueType>> const& symbolicModel) {
switch (symbolicModel->getType()) {
case storm::models::ModelType::Dtmc:
return storm::transformer::SymbolicDtmcToSparseDtmcTransformer<Type, ValueType>().translate(*symbolicModel->template as<storm::models::symbolic::Dtmc<Type, ValueType>>());
case storm::models::ModelType::Mdp:
return storm::transformer::SymbolicMdpToSparseMdpTransformer<Type, ValueType>::translate(*symbolicModel->template as<storm::models::symbolic::Mdp<Type, ValueType>>());
case storm::models::ModelType::Ctmc:
return storm::transformer::SymbolicCtmcToSparseCtmcTransformer<Type, ValueType>::translate(*symbolicModel->template as<storm::models::symbolic::Ctmc<Type, ValueType>>());
default:
STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Transformation of symbolic " << symbolicModel->getType() << " to sparse model is not supported.");
}
return nullptr;
}
}
}