ParetoCourveCheckResult: Print approx. value in case of exact checking.

src/storm/modelchecker/results/ParetoCurveCheckResult.cpp

@@ -69,9 +69,21 @@ namespace storm {
                     if (it != p.begin()){
                         out << ", ";
                     }
-                    out << std::setw(10) << *it;
+                    out << std::setw(storm::NumberTraits<ValueType>::IsExact ? 20 : 11) << *it;
                 }
-                out << " )" << std::endl;
+                out << " )";
+                if (storm::NumberTraits<ValueType>::IsExact) {
+                    out << " approx. ";
+                    out << "   (";
+                    for (auto it = p.begin(); it != p.end(); ++it) {
+                        if(it != p.begin()){
+                            out << ", ";
+                        }
+                        out << std::setw(11) << storm::utility::convertNumber<double>(*it);
+                    }
+                    out << " )";
+                }
+                out << std::endl;
             }
             return out;
         }