BELogNormal.cpp

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#include "BELogNormal.h"
 
#include <boost/math/distributions/lognormal.hpp>
 
#include "storm/exceptions/NotSupportedException.h"
 
namespace storm::dft {
namespace storage {
namespace elements {
 
template<>
double BELogNormal<double>::getUnreliability(double time) const {
    // Compute via boost as no closed form formula exists
    // TODO: initialize once if performance is an issue
    boost::math::lognormal_distribution<double> distribution(this->mean(), this->standardDeviation());
    return boost::math::cdf(distribution, time);
}
 
template<typename ValueType>
ValueType BELogNormal<ValueType>::getUnreliability(ValueType time) const {
    STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Computing cumulative failure probability not supported for this data type.");
}
 
// Explicitly instantiate the class.
template class BELogNormal<double>;
template class BELogNormal<RationalFunction>;
 
}  // namespace elements
}  // namespace storage
}  // namespace storm::dft