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implemented some auxilarry functions for parameterregions
implemented some auxilarry functions for parameterregions
Former-commit-id: 590a0f216c
tempestpy_adaptions
TimQu
10 years ago
5 changed files with 354 additions and 72 deletions
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125src/modelchecker/reachability/SparseDtmcRegionModelChecker.cpp
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48src/modelchecker/reachability/SparseDtmcRegionModelChecker.h
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21src/utility/cli.h
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142src/utility/regions.cpp
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90src/utility/regions.h
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/*
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* File: Regions.cpp |
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* Author: Tim Quatmann |
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* |
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* Created on May 13, 2015, 12:54 PM |
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*/ |
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#include <string>
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#include "src/utility/regions.h"
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#include "src/exceptions/NotImplementedException.h"
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#include "src/exceptions/InvalidArgumentException.h"
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#include "adapters/CarlAdapter.h"
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namespace storm { |
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namespace utility{ |
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namespace regions { |
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template<typename ParametricType, typename ConstantType> |
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void RegionParser<ParametricType, ConstantType>::parseParameterBounds( |
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std::map<VariableType, BoundType>& lowerBounds, |
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std::map<VariableType, BoundType>& upperBounds, |
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std::string const& parameterBoundsString, |
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double const precision){ |
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double actualPrecision = (precision==0.0 ? storm::settings::generalSettings().getPrecision() : precision); |
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std::string::size_type positionOfFirstRelation = parameterBoundsString.find("<="); |
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STORM_LOG_THROW(positionOfFirstRelation!=std::string::npos, storm::exceptions::InvalidArgumentException, "When parsing the region" << parameterBoundsString << " I could not find a '<=' after the first number"); |
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std::string::size_type positionOfSecondRelation = parameterBoundsString.find("<=", positionOfFirstRelation+2); |
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STORM_LOG_THROW(positionOfSecondRelation!=std::string::npos, storm::exceptions::InvalidArgumentException, "When parsing the region" << parameterBoundsString << " I could not find a '<=' after the parameter"); |
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std::string parameter=parameterBoundsString.substr(positionOfFirstRelation+2,positionOfSecondRelation-(positionOfFirstRelation+2)); |
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//removes all whitespaces from the parameter string:
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parameter.erase(std::remove_if(parameter.begin(), parameter.end(), isspace), parameter.end()); |
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STORM_LOG_THROW(parameter.length()>0, storm::exceptions::InvalidArgumentException, "When parsing the region" << parameterBoundsString << " I could not find a parameter"); |
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double lowerBound, upperBound; |
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try{ |
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lowerBound=std::stod(parameterBoundsString.substr(0,positionOfFirstRelation)); |
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upperBound=std::stod(parameterBoundsString.substr(positionOfSecondRelation+2)); |
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} |
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catch (std::exception const& exception) { |
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STORM_LOG_ERROR("Failed to parse the region: " << parameterBoundsString << ". The correct format for regions is lowerBound<=parameter<=upperbound"); |
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throw exception; |
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} |
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VariableType var = getVariableFromString<VariableType>(parameter); |
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BoundType lb = convertNumber<double, BoundType>(lowerBound, true, actualPrecision); |
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BoundType ub = convertNumber<double, BoundType>(upperBound, false, actualPrecision); |
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lowerBounds.emplace(std::make_pair(var, lb)); |
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upperBounds.emplace(std::make_pair(var, ub)); |
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std::cout << "parsed bounds " << parameterBoundsString << ": lb=" << lowerBound << " ub=" << upperBound << " param='" << parameter << "' precision=" << actualPrecision << std::endl; |
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} |
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template<typename ParametricType, typename ConstantType> |
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typename RegionParser<ParametricType, ConstantType>::ParameterRegion RegionParser<ParametricType, ConstantType>::parseRegion(std::string const& regionString, double precision){ |
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double actualPrecision = (precision==0.0 ? storm::settings::generalSettings().getPrecision() : precision); |
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std::map<VariableType, BoundType> lowerBounds; |
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std::map<VariableType, BoundType> upperBounds; |
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std::vector<std::string> parameterBounds; |
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boost::split(parameterBounds, regionString, boost::is_any_of(",")); |
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for(auto const& parameterBound : parameterBounds){ |
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std::cout << "parsing a parameter bound" << std::endl; |
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RegionParser<ParametricType, ConstantType>::parseParameterBounds(lowerBounds, upperBounds, parameterBound, actualPrecision); |
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std::cout << "created a parameter bound. lower bound has size" << lowerBounds.size() << std::endl; |
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std::cout << "parsing a param bound is done" << std::endl; |
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} |
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return ParameterRegion(lowerBounds, upperBounds); |
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} |
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template<typename ParametricType, typename ConstantType> |
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std::vector<typename RegionParser<ParametricType, ConstantType>::ParameterRegion> RegionParser<ParametricType, ConstantType>::parseMultipleRegions(std::string const& regionsString, double precision){ |
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double actualPrecision = (precision==0.0 ? storm::settings::generalSettings().getPrecision() : precision); |
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std::vector<ParameterRegion> result; |
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std::vector<std::string> regionsStrVec; |
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boost::split(regionsStrVec, regionsString, boost::is_any_of(";")); |
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for(auto const& regionStr : regionsStrVec){ |
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std::cout << "parsing a region" << std::endl; |
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result.emplace_back(RegionParser<ParametricType, ConstantType>::parseRegion(regionStr, actualPrecision)); |
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std::cout << "parsing a region is done" << std::endl; |
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} |
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return result; |
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} |
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template<> |
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storm::RationalFunction::CoeffType convertNumber<double, storm::RationalFunction::CoeffType>(double const& number, bool const& roundDown, double const& precision){ |
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double actualPrecision = (precision==0.0 ? storm::settings::generalSettings().getPrecision() : precision); |
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uint_fast64_t denominator = 1.0/actualPrecision; |
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uint_fast64_t numerator; |
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if(roundDown){ |
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numerator= number*denominator; //this will always round down if necessary
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} else{ |
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numerator = number*denominator*10; //*10 to look whether we have to round up
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if(numerator%10>0){ |
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numerator+=10; |
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} |
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numerator/=10; |
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} |
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storm::RationalFunction::CoeffType result=numerator; |
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result = result/denominator; |
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return result; |
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} |
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template<> |
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storm::RationalFunction convertNumber<double, storm::RationalFunction>(double const& number, bool const& roundDown, double const& precision){ |
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return storm::RationalFunction(convertNumber<double, storm::RationalFunction::CoeffType>(number, roundDown, precision)); |
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} |
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template<> |
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double convertNumber<cln::cl_RA, double>(cln::cl_RA const& number, bool const& roundDown, double const& precision){ |
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return cln::double_approx(number); |
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} |
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template<typename SourceType, typename TargetType> |
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TargetType convertNumber(SourceType const& number, bool const& roundDown, double const& precision){ |
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STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "number conversion between the given types not implemented"); |
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} |
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template<> |
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storm::Variable getVariableFromString<storm::Variable>(std::string variableString){ |
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storm::Variable const& var = carl::VariablePool::getInstance().findVariableWithName(variableString); |
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STORM_LOG_THROW(var!=carl::Variable::NO_VARIABLE, storm::exceptions::InvalidArgumentException, "Variable '" + variableString + "' could not be found."); |
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return var; |
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} |
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template<typename VariableType> |
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VariableType getVariableFromString(std::string variableString){ |
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STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "Variable from String not implemented for this Type"); |
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} |
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//explicit instantiations
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#ifdef STORM_HAVE_CARL
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template class RegionParser<storm::RationalFunction, double>; |
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template storm::RationalFunction convertNumber<double, storm::RationalFunction>(double const& number, bool const& roundDown, double const& precision); |
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template storm::RationalFunction::CoeffType convertNumber<double, storm::RationalFunction::CoeffType>(double const& number, bool const& roundDown, double const& precision); |
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template double convertNumber<cln::cl_RA, double>(storm::RationalFunction::CoeffType const& number, bool const& roundDown, double const& precision); |
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template storm::Variable getVariableFromString<storm::Variable>(std::string variableString); |
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#endif
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} |
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} |
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} |
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@ -0,0 +1,90 @@ |
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/* |
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* File: Regions.h |
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* Author: Tim Quatmann |
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* |
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* Created on May 13, 2015, 12:54 PM |
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*/ |
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#include "src/modelchecker/reachability/SparseDtmcRegionModelChecker.h" //to get the ParameterRegion type |
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#ifndef STORM_UTILITY_REGIONS_H |
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#define STORM_UTILITY_REGIONS_H |
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// Forward-declare region modelchecker class. |
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namespace storm { |
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namespace modelchecker{ |
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template<typename ParametricType, typename ConstantType> |
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class SparseDtmcRegionModelChecker; |
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} |
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} |
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namespace storm { |
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namespace utility{ |
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namespace regions { |
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template<typename ParametricType, typename ConstantType> |
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class RegionParser{ |
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public: |
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typedef typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::ParameterRegion ParameterRegion; |
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typedef typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::VariableType VariableType; |
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typedef typename storm::modelchecker::SparseDtmcRegionModelChecker<ParametricType,ConstantType>::BoundType BoundType; |
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/* |
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* Can be used to parse a single parameter with its bounds from a string of the form "0.3<=p<=0.5". |
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* The numbers are parsed as doubles and then converted to SparseDtmcRegionModelChecker::Boundtype. |
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* According to the given precision, the lower bound may be rounded down and the upper bound may be rounded up. |
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* If no precision is given, the one from the settings is used. |
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* The results will be inserted in the given maps |
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* |
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*/ |
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static void parseParameterBounds( |
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std::map<VariableType, BoundType>& lowerBounds, |
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std::map<VariableType, BoundType>& upperBounds, |
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std::string const& parameterBoundsString, |
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double const precision=0.0 |
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); |
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/* |
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* Can be used to parse a single region from a string of the form "0.3<=p<=0.5,0.4<=q<=0.7". |
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* The numbers are parsed as doubles and then converted to SparseDtmcRegionModelChecker::Boundtype. |
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* According to the given precision, the lower bound may be rounded down and the upper bound may be rounded up. |
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* If no precision is given, the one from the settings is used. |
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* |
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*/ |
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static ParameterRegion parseRegion( |
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std::string const& regionString, |
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double precision=0.0); |
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/* |
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* Can be used to parse a vector of region from a string of the form "0.3<=p<=0.5,0.4<=q<=0.7;0.1<=p<=0.3,0.2<=q<=0.4". |
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* The numbers are parsed as doubles and then converted to SparseDtmcRegionModelChecker::Boundtype. |
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* According to the given precision, the lower bound may be rounded down and the upper bound may be rounded up. |
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* If no precision is given, the one from the settings is used. |
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* |
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*/ |
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static std::vector<ParameterRegion> parseMultipleRegions( |
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std::string const& regionsString, |
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double precision=0.0); |
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}; |
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/* |
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* Converts a number from one type to a number from the other. |
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* If no exact conversion is possible, the number is rounded up or down, using the given precision or the one from the settings. |
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*/ |
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template<typename SourceType, typename TargetType> |
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TargetType convertNumber(SourceType const& number, bool const& roundDown=true, double const& precision=0.0); |
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/* |
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* retrieves the variable object from the given string |
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* Throws an exception if variable not found |
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*/ |
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template<typename VariableType> |
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VariableType getVariableFromString(std::string variableString); |
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} |
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} |
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} |
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#endif /* STORM_UTILITY_REGIONS_H */ |
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