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Sampling the corners of the region 

Former-commit-id: 510b727c32
main
TimQu 11 years ago
parent
47f2e9592b
commit
6206147e1a
5 changed files with 306 additions and 43 deletions
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  1. 198
      src/modelchecker/reachability/SparseDtmcRegionModelChecker.cpp
  2. 92
      src/modelchecker/reachability/SparseDtmcRegionModelChecker.h
  3. 8
      src/utility/cli.h
  4. 41
      src/utility/regions.cpp
  5. 10
      src/utility/regions.h

198
src/modelchecker/reachability/SparseDtmcRegionModelChecker.cpp
View File

@ -28,9 +28,40 @@ namespace storm {
template<typename ParametricType, typename ConstantType>
SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::ParameterRegion(std::map<VariableType, BoundType> lowerBounds, std::map<VariableType, BoundType> upperBounds) : lowerBounds(lowerBounds), upperBounds(upperBounds), checkResult(RegionCheckResult::UNKNOWN) {
// Intentionally left empty.
//todo: check whether both mappings map the same variables
}
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::setUnSatPoint(std::map<VariableType, BoundType> const& unSatPoint) {
this->unSatPoint = unSatPoint;
}
template<typename ParametricType, typename ConstantType>
std::map<typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::VariableType, typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::BoundType> SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getUnSatPoint() const {
return unSatPoint;
}
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::setSatPoint(std::map<VariableType, BoundType> const& satPoint) {
this->satPoint = satPoint;
}
template<typename ParametricType, typename ConstantType>
std::map<typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::VariableType, typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::BoundType> SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getSatPoint() const {
return satPoint;
}
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::setCheckResult(RegionCheckResult checkResult) {
this->checkResult = checkResult;
}
template<typename ParametricType, typename ConstantType>
typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::RegionCheckResult SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getCheckResult() const {
return checkResult;
}
template<typename ParametricType, typename ConstantType>
std::set<typename SparseDtmcRegionModelChecker<ParametricType, ConstantType>::VariableType> SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getVariables() const{
@ -84,7 +115,7 @@ namespace storm {
}
template<typename ParametricType, typename ConstantType>
std::string SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getCheckResultAsString() const {
std::string SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::checkResultToString() const {
switch (this->checkResult) {
case RegionCheckResult::UNKNOWN:
return "unknown";
@ -100,7 +131,7 @@ namespace storm {
}
template<typename ParametricType, typename ConstantType>
std::string SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::getRegionAsString() const {
std::string SparseDtmcRegionModelChecker<ParametricType, ConstantType>::ParameterRegion::toString() const {
std::stringstream regionstringstream;
for(auto var : this->getVariables()){
regionstringstream << storm::utility::regions::convertNumber<SparseDtmcRegionModelChecker<ParametricType, ConstantType>::BoundType,double>(this->getLowerBound(var));
@ -197,14 +228,14 @@ namespace storm {
std::chrono::high_resolution_clock::time_point timeInitialStateEliminationStart = std::chrono::high_resolution_clock::now();
// eliminate all states with only constant outgoing transitions
//TODO: maybe also states with constant incoming tranistions. THEN the ordering of the eliminated states does matter.
eliminateStatesConstSucc(this->subsystem, this->flexibleTransitions, this->flexibleBackwardTransitions, this->oneStepProbabilities, this->initialState);
eliminateStatesConstSucc(this->subsystem, this->flexibleTransitions, this->flexibleBackwardTransitions, this->oneStepProbabilities, this->hasOnlyLinearFunctions, this->initialState);
STORM_LOG_DEBUG("Eliminated " << subsystem.size() - subsystem.getNumberOfSetBits() << " of " << subsystem.size() << " states that had constant outgoing transitions." << std::endl);
std::cout << "Eliminated " << subsystem.size() - subsystem.getNumberOfSetBits() << " of " << subsystem.size() << " states that had constant outgoing transitions." << std::endl;
//eliminate the remaining states to get the reachability probability function
this->sparseTransitions = flexibleTransitions.getSparseMatrix();
this->sparseBackwardTransitions = this->sparseTransitions.transpose();
this->reachProbFunction = computeReachProbFunction(this->subsystem, this->flexibleTransitions, this->flexibleBackwardTransitions, this->sparseTransitions, this->sparseBackwardTransitions, this->oneStepProbabilities, this->initialState);
std::cout << std::endl <<"the resulting reach prob function is " << std::endl << this->reachProbFunction << std::endl << std::endl;
// std::cout << std::endl <<"the resulting reach prob function is " << std::endl << this->reachProbFunction << std::endl << std::endl;
std::chrono::high_resolution_clock::time_point timeInitialStateEliminationEnd = std::chrono::high_resolution_clock::now();
//some information for statistics...
@ -220,20 +251,27 @@ namespace storm {
FlexibleMatrix& flexTransitions,
FlexibleMatrix& flexBackwardTransitions,
std::vector<ParametricType>& oneStepProbs,
bool& allFunctionsAreLinear,
storm::storage::sparse::state_type const& initialState) {
//temporarily unselect the initial state to skip it.
subsys.set(initialState, false);
allFunctionsAreLinear=true;
boost::optional<std::vector<ParametricType>> missingStateRewards;
for (auto const& state : subsys) {
bool onlyConstantOutgoingTransitions=true;
for(auto const& entry : flexTransitions.getRow(state)){
for(auto& entry : flexTransitions.getRow(state)){
if(!this->parametricTypeComparator.isConstant(entry.getValue())){
onlyConstantOutgoingTransitions=false;
break;
allFunctionsAreLinear &= storm::utility::regions::functionIsLinear<ParametricType>(entry.getValue());
}
}
if(!this->parametricTypeComparator.isConstant(oneStepProbs[state])){
onlyConstantOutgoingTransitions=false;
allFunctionsAreLinear &= storm::utility::regions::functionIsLinear<ParametricType>(oneStepProbs[state]);
}
if(onlyConstantOutgoingTransitions){
this->eliminationModelChecker.eliminateState(flexTransitions, oneStepProbs, state, flexBackwardTransitions, missingStateRewards);
subsys.set(state,false);
@ -301,9 +339,131 @@ namespace storm {
return workingCopyOneStepProbs[initState];
}
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::checkRegion(ParameterRegion& region) {
std::chrono::high_resolution_clock::time_point timeCheckRegionStart = std::chrono::high_resolution_clock::now();
++this->numOfCheckedRegions;
STORM_LOG_THROW(this->probabilityOperatorFormula!=nullptr, storm::exceptions::InvalidStateException, "Tried to analyze a region although no property has been specified" );
STORM_LOG_DEBUG("Analyzing the region " << region.toString());
//switches for the different steps.
bool doSampling=true;
bool doApproximation=this->hasOnlyLinearFunctions; // this approach is only correct if the model has only linear functions
bool doSubsystemSmt=false; //this->hasOnlyLinearFunctions; // this approach is only correct if the model has only linear functions
bool doFullSmt=false; //true;
std::chrono::high_resolution_clock::time_point timeSamplingStart = std::chrono::high_resolution_clock::now();
if(doSampling){
STORM_LOG_DEBUG("Testing Sample points...");
if(testSamplePoints(region)){
++this->numOfRegionsSolvedThroughSampling;
STORM_LOG_DEBUG("Result '" << region.checkResultToString() <<"' obtained through sampling.");
doApproximation=false;
doSubsystemSmt=false;
doFullSmt=false;
}
}
std::chrono::high_resolution_clock::time_point timeSamplingEnd = std::chrono::high_resolution_clock::now();
std::chrono::high_resolution_clock::time_point timeApproximationStart = std::chrono::high_resolution_clock::now();
if(doApproximation){
STORM_LOG_WARN("Approximation approach not yet implemented");
}
std::chrono::high_resolution_clock::time_point timeApproximationEnd = std::chrono::high_resolution_clock::now();
std::chrono::high_resolution_clock::time_point timeSubsystemSmtStart = std::chrono::high_resolution_clock::now();
if(doSubsystemSmt){
STORM_LOG_WARN("SubsystemSmt approach not yet implemented");
}
std::chrono::high_resolution_clock::time_point timeSubsystemSmtEnd = std::chrono::high_resolution_clock::now();
std::chrono::high_resolution_clock::time_point timeFullSmtStart = std::chrono::high_resolution_clock::now();
if(doFullSmt){
STORM_LOG_WARN("FullSmt approach not yet implemented");
}
std::chrono::high_resolution_clock::time_point timeFullSmtEnd = std::chrono::high_resolution_clock::now();
//some information for statistics...
std::chrono::high_resolution_clock::time_point timeCheckRegionEnd = std::chrono::high_resolution_clock::now();
this->timeCheckRegion = timeCheckRegionEnd-timeCheckRegionStart;
this->timeSampling = timeSamplingEnd - timeSamplingStart;
this->timeApproximation = timeApproximationEnd - timeApproximationStart;
this->timeSubsystemSmt = timeSubsystemSmtEnd - timeSubsystemSmtStart;
this->timeFullSmt = timeFullSmtEnd - timeFullSmtStart;
}
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::checkRegions(std::vector<ParameterRegion>& regions) {
for(auto& region : regions){
this->checkRegion(region);
}
}
template<typename ParametricType, typename ConstantType>
bool SparseDtmcRegionModelChecker<ParametricType, ConstantType>::testSamplePoints(ParameterRegion& region) {
auto samplingPoints = region.getVerticesOfRegion(region.getVariables()); //only test the 4 corner points (for now)
bool regionHasSatPoint = !region.getSatPoint().empty();
bool regionHasUnSatPoint = !region.getUnSatPoint().empty();
for (auto const& point : samplingPoints){
// check whether the property is satisfied or not at the given point
if(this->valueIsInBoundOfFormula(storm::utility::regions::evaluateFunction<ParametricType, ConstantType>(this->reachProbFunction, point))){
if (!regionHasSatPoint){
region.setSatPoint(point);
regionHasSatPoint=true;
if(regionHasUnSatPoint){
region.setCheckResult(RegionCheckResult::INCONCLUSIVE);
return true;
}
}
}
else{
if (!regionHasUnSatPoint){
region.setUnSatPoint(point);
regionHasUnSatPoint=true;
if(regionHasSatPoint){
region.setCheckResult(RegionCheckResult::INCONCLUSIVE);
return true;
}
}
}
}
return false;
}
template<>
std::pair<storm::storage::SparseMatrix<double>,std::vector<boost::container::flat_set<uint_fast64_t>>> SparseDtmcRegionModelChecker<storm::RationalFunction, double>::instantiateFlexibleMatrix(FlexibleMatrix const& matrix, std::vector<std::map<storm::Variable, storm::RationalFunction::CoeffType>> const& substitutions, storm::storage::BitVector const& filter, bool addSinkState, std::vector<storm::RationalFunction> const& oneStepProbabilities, bool addSelfLoops) const {
@ -584,7 +744,7 @@ namespace storm {
}
template<>
bool SparseDtmcRegionModelChecker<storm::RationalFunction, double>::checkRegion(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions){
bool SparseDtmcRegionModelChecker<storm::RationalFunction, double>::checkRegionOld(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions){
//Note: this is an 'experimental' implementation
std::chrono::high_resolution_clock::time_point timeStart = std::chrono::high_resolution_clock::now();
@ -754,13 +914,14 @@ namespace storm {
}
template<typename ParametricType, typename ConstantType>
bool SparseDtmcRegionModelChecker<ParametricType, ConstantType>::checkRegion(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions){
bool SparseDtmcRegionModelChecker<ParametricType, ConstantType>::checkRegionOld(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions){
STORM_LOG_THROW(false, storm::exceptions::IllegalArgumentException, "Region check is not supported for this type");
}
template<typename ParametricType, typename ConstantType>
template<typename ValueType>
bool SparseDtmcRegionModelChecker<ParametricType, ConstantType>::valueIsInBoundOfFormula(ValueType value){
STORM_LOG_THROW(this->probabilityOperatorFormula!=nullptr, storm::exceptions::InvalidStateException, "Tried to compare a value to the bound of a formula, but no formula specified.");
double valueAsDouble = storm::utility::regions::convertNumber<ValueType, double>(value);
switch (this->probabilityOperatorFormula->getComparisonType()) {
case storm::logic::ComparisonType::Greater:
@ -779,17 +940,30 @@ namespace storm {
template<typename ParametricType, typename ConstantType>
void SparseDtmcRegionModelChecker<ParametricType, ConstantType>::printStatisticsToStream(std::ostream& outstream) {
if(this->probabilityOperatorFormula==nullptr){
outstream << "Statistic Region Model Checker Statistics Error: No formula specified." << std::endl;
return;
}
std::chrono::milliseconds timePreprocessingInMilliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(this->timePreprocessing);
std::chrono::milliseconds timeInitialStateEliminationInMilliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(this->timeInitialStateElimination);
std::chrono::high_resolution_clock::duration timeOverall = timePreprocessing; // + ...
std::chrono::milliseconds timeOverallInMilliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(timeOverall);
outstream << std::endl << "Statistics Region Model Checker:" << std::endl;
std::size_t subsystemTransitions = this->sparseTransitions.getNonzeroEntryCount();
for(auto const& transition : this->oneStepProbabilities){
if(!this->parametricTypeComparator.isZero(transition)){
++subsystemTransitions;
}
}
outstream << std::endl << "Statistics Region Model Checker Statistics:" << std::endl;
outstream << "-----------------------------------------------" << std::endl;
outstream << "Model: " << this->model.getNumberOfStates() << " states, " << this->model.getNumberOfTransitions() << " transitions." << std::endl;
outstream << "Reduced model: " << this->subsystem.getNumberOfSetBits() << " states, " << this->sparseTransitions.getEntryCount() << "transitions" << std::endl;
outstream << "Reduced model: " << this->subsystem.getNumberOfSetBits() << " states, " << subsystemTransitions << "transitions" << std::endl;
outstream << "Formula: " << *this->probabilityOperatorFormula << std::endl;
outstream << "All occuring functions in the model are " << (this->hasOnlyLinearFunctions ? "" : "not") << " linear" << std::endl;
outstream << "Number of checked regions: " << this->numOfCheckedRegions << std::endl;
outstream << "Running times:" << std::endl;
outstream << " " << timeOverallInMilliseconds.count() << "ms overall" << std::endl;

92
src/modelchecker/reachability/SparseDtmcRegionModelChecker.h
View File

@ -37,13 +37,6 @@ namespace storm {
ParameterRegion(std::map<VariableType, BoundType> lowerBounds, std::map<VariableType, BoundType> upperBounds);
void setCheckResult(RegionCheckResult checkResult) {
this->checkResult = checkResult;
}
RegionCheckResult getCheckResult() const {
return checkResult;
}
std::set<VariableType> getVariables() const;
@ -59,14 +52,46 @@ namespace storm {
*/
std::vector<std::map<VariableType, BoundType>> getVerticesOfRegion(std::set<VariableType> const& consideredVariables) const;
std::string getCheckResultAsString() const;
std::string getRegionAsString() const;
//returns the currently set check result as a string
std::string checkResultToString() const;
//returns the region as string in the format 0.3<=p<=0.4,0.2<=q<=0.5;
std::string toString() const;
void setCheckResult(RegionCheckResult checkResult);
RegionCheckResult getCheckResult() const;
/*!
* Sets a point in the region for which the considered property is not satisfied.
*/
void setUnSatPoint(std::map<VariableType, BoundType> const& unSatPoint);
/*!
* Retrieves a point in the region for which is considered property is not satisfied.
* If such a point is not known, the returned map is empty.
*/
std::map<VariableType, BoundType> getUnSatPoint() const;
/*!
* Sets a point in the region for which the considered property is satisfied.
*/
void setSatPoint(std::map<VariableType, BoundType> const& satPoint);
/*!
* Retrieves a point in the region for which is considered property is satisfied.
* If such a point is not known, the returned map is empty.
*/
std::map<VariableType, BoundType> getSatPoint() const;
private:
std::map<VariableType, BoundType> const lowerBounds;
std::map<VariableType, BoundType> const upperBounds;
RegionCheckResult checkResult;
std::map<VariableType, BoundType> satPoint;
std::map<VariableType, BoundType> unSatPoint;
};
@ -87,11 +112,32 @@ namespace storm {
*/
void specifyFormula(storm::logic::Formula const& formula);
/*!
* Checks whether the given formula holds for all parameters that lie in the given region.
* Sets the region checkresult accordingly. Moreover, region.satPoint and/or an region.unSatPoint will be set.
*
* @note A formula has to be specified first.
*
* @param region The considered region
*
*/
void checkRegion(ParameterRegion& region);
/*!
* Checks for every given region whether the specified formula holds for all parameters that lie in that region.
* Sets the region checkresult accordingly. Moreover, region.satPoint and/or an region.unSatPoint will be set.
*
* @note A formula has to be specified first.
*
* @param region The considered region
*/
void checkRegions(std::vector<ParameterRegion>& regions);
/*!
* Checks whether the given formula holds for all possible parameters that satisfy the given parameter regions
* ParameterRegions should contain all parameters.
*/
bool checkRegion(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions);
bool checkRegionOld(storm::logic::Formula const& formula, std::vector<ParameterRegion> parameterRegions);
/*!
* Prints statistical information (mostly running times) to the given stream.
@ -142,12 +188,16 @@ namespace storm {
template <typename ValueType>
bool valueIsInBoundOfFormula(ValueType value);
//eliminates all states for which the outgoing transitions are constant.
/*!
* eliminates all states for which the outgoing transitions are constant.
* Also checks whether the non constant functions are linear
*/
void eliminateStatesConstSucc(
storm::storage::BitVector& subsys,
FlexibleMatrix& flexTransitions,
FlexibleMatrix& flexBackwardTransitions,
std::vector<ParametricType>& oneStepProbs,
bool& allFunctionsAreLinear,
storm::storage::sparse::state_type const& initState
);
@ -163,6 +213,14 @@ namespace storm {
);
/*!
* Checks the value of the function at some sampling points within the given region
* may set the satPoint and unSatPoint of the regions if they are not yet specified and such points are found
* may also change the regioncheckresult of the region
*
* @return true if an unsat point as well as a sat point has been found during the process
*/
bool testSamplePoints(ParameterRegion& region);
@ -195,6 +253,8 @@ namespace storm {
storm::storage::sparse::state_type initialState;
// the set of states that have not been eliminated
storm::storage::BitVector subsystem;
// a flag that is true if there are only linear functions at transitions of the model
bool hasOnlyLinearFunctions;
// The function for the reachability probability in the initial state
ParametricType reachProbFunction;
@ -202,8 +262,18 @@ namespace storm {
// runtimes and other information for statistics.
uint_fast64_t numOfCheckedRegions;
uint_fast64_t numOfRegionsSolvedThroughSampling;
uint_fast64_t numOfRegionsSolvedThroughApproximation;
uint_fast64_t numOfRegionsSolvedThroughSubsystemSmt;
uint_fast64_t numOfRegionsSolvedThroughFullSmt;
std::chrono::high_resolution_clock::duration timePreprocessing;
std::chrono::high_resolution_clock::duration timeInitialStateElimination;
std::chrono::high_resolution_clock::duration timeCheckRegion;
std::chrono::high_resolution_clock::duration timeSampling;
std::chrono::high_resolution_clock::duration timeApproximation;
std::chrono::high_resolution_clock::duration timeSubsystemSmt;
std::chrono::high_resolution_clock::duration timeFullSmt;
};
} // namespace modelchecker

8
src/utility/cli.h
View File

@ -480,18 +480,14 @@ namespace storm {
storm::modelchecker::SparseDtmcRegionModelChecker<storm::RationalFunction, double> modelchecker(*dtmc);
if (modelchecker.canHandle(*formula.get())) {
modelchecker.specifyFormula(*formula.get());
modelchecker.checkRegions(regions);
}
else {
STORM_LOG_THROW(false, storm::exceptions::InvalidSettingsException, "The parametric region check engine currently does not support this property.");
}
auto result = modelchecker.checkRegion(*formula.get(), regions);
std::cout << "... done." << std::endl;
if (!result){
std::cout << "The result of one or more regions is still unknown." << std::endl;
}
for(auto const& reg : regions){
std::cout << reg.getRegionAsString() << " Result: " << reg.getCheckResultAsString() << std::endl;
std::cout << reg.toString() << " Result: " << reg.checkResultToString() << std::endl;
}
modelchecker.printStatisticsToStream(std::cout);

41
src/utility/regions.cpp
View File

@ -131,11 +131,11 @@ namespace storm {
return number;
}
template<typename SourceType, typename TargetType>
TargetType convertNumber(SourceType const& number, bool const& roundDown, double const& precision){
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "number conversion between the given types not implemented");
template<>
cln::cl_RA convertNumber<cln::cl_RA, cln::cl_RA>(cln::cl_RA const& number, bool const& roundDown, double const& precision){
return number;
}
template<>
storm::Variable getVariableFromString<storm::Variable>(std::string variableString){
@ -143,33 +143,46 @@ namespace storm {
STORM_LOG_THROW(var!=carl::Variable::NO_VARIABLE, storm::exceptions::InvalidArgumentException, "Variable '" + variableString + "' could not be found.");
return var;
}
template<typename VariableType>
VariableType getVariableFromString(std::string variableString){
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "Variable from String not implemented for this type");
}
template<>
std::string getVariableName<storm::Variable>(storm::Variable variable){
return carl::VariablePool::getInstance().getName(variable);
}
template<>
typename storm::modelchecker::SparseDtmcRegionModelChecker<storm::RationalFunction,double>::BoundType evaluateFunction<storm::RationalFunction, double>(
storm::RationalFunction const& function,
std::map<typename storm::modelchecker::SparseDtmcRegionModelChecker<storm::RationalFunction,double>::VariableType,
typename storm::modelchecker::SparseDtmcRegionModelChecker<storm::RationalFunction,double>::BoundType> const& point){
return function.evaluate(point);
}
template<typename VariableType>
std::string getVariableName(VariableType variable){
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "VariableName from Variable not implemented for this type");
template<>
bool functionIsLinear<storm::RationalFunction>(storm::RationalFunction const& function){
// Note: At this moment there is no function in carl for rationalFunctions.
// We therefore check whether the numerator is linear and the denominator constant.
// We simplify the function to (hopefully) avoid wrong answers for situations like x^2/x
storm::utility::simplify(function);
bool result=(function.nominator().isLinear() && function.denominator().isConstant());
STORM_LOG_WARN_COND(result, "The function " << function << "is not considered as linear.");
return result;
}
//explicit instantiations
template double convertNumber<double, double>(double const& number, bool const& roundDown, double const& precision);
#ifdef STORM_HAVE_CARL
template class RegionParser<storm::RationalFunction, double>;
template storm::RationalFunction convertNumber<double, storm::RationalFunction>(double const& number, bool const& roundDown, double const& precision);
template storm::RationalFunction::CoeffType convertNumber<double, storm::RationalFunction::CoeffType>(double const& number, bool const& roundDown, double const& precision);
template double convertNumber<cln::cl_RA, double>(storm::RationalFunction::CoeffType const& number, bool const& roundDown, double const& precision);
template double convertNumber<double, double>(double const& number, bool const& roundDown, double const& precision);
template cln::cl_RA convertNumber<cln::cl_RA, cln::cl_RA>(cln::cl_RA const& number, bool const& roundDown, double const& precision);
template storm::Variable getVariableFromString<storm::Variable>(std::string variableString);
template std::string getVariableName<storm::Variable>(storm::Variable variable);
template bool functionIsLinear<storm::RationalFunction>(storm::RationalFunction const& function);
#endif
}
}

10
src/utility/regions.h
View File

@ -97,6 +97,16 @@ namespace storm {
*/
template<typename VariableType>
std::string getVariableName(VariableType variable);
template<typename ParametricType, typename ConstantType>
typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::BoundType evaluateFunction(ParametricType const& function, std::map<typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::VariableType, typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::BoundType> const& point);
/*!
* Returns true if the function is rational. Note that the function might be simplified.
*/
template<typename ParametricType>
bool functionIsLinear(ParametricType const& function);
}
}
}

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