added method isShieldingTask() to SolveGoal.*

src/storm/solver/SolveGoal.cpp

@@ -122,6 +122,11 @@ namespace storm {
             relevantValueVector = std::move(values);
         }
 
+        template<typename ValueType>
+        bool SolveGoal<ValueType>::isShieldingTask() const {
+            return shieldingTask;
+        }
+
         template class SolveGoal<double>;
         
 #ifdef STORM_HAVE_CARL

src/storm/solver/SolveGoal.h

@@ -51,6 +51,7 @@ namespace storm {
                     comparisonType = checkTask.getBoundComparisonType();
                     threshold = checkTask.getBoundThreshold();
                 }
+                shieldingTask = checkTask.isShieldingTask();
             }
             
             SolveGoal(bool minimize);
@@ -84,12 +85,16 @@ namespace storm {
             void restrictRelevantValues(storm::storage::BitVector const& filter);
             void setRelevantValues(storm::storage::BitVector&& values);
 
+            bool isShieldingTask() const;
+
         private:
             boost::optional<OptimizationDirection> optimizationDirection;
             
             boost::optional<storm::logic::ComparisonType> comparisonType;
             boost::optional<ValueType> threshold;
             boost::optional<storm::storage::BitVector> relevantValueVector;
+            // We only want to know if it **is** a shielding task
+            bool shieldingTask;
         };
         
         template<typename ValueType, typename MatrixType>