removed methods 'getPrecision' and 'getRelative' from the abstract MinMax solver interface. Not every solver needs these methods.

src/storm/solver/IterativeMinMaxLinearEquationSolver.h

@@ -46,8 +46,9 @@ namespace storm {
             
             virtual void clearCache() const override;
 
-            virtual ValueType getPrecision() const override;
-            virtual bool getRelative() const override;
+            ValueType getPrecision() const;
+            bool getRelative() const;
+            
         private:
             bool solveEquationsPolicyIteration(OptimizationDirection dir, std::vector<ValueType>& x, std::vector<ValueType> const& b) const;
             bool solveEquationsValueIteration(OptimizationDirection dir, std::vector<ValueType>& x, std::vector<ValueType> const& b) const;

src/storm/solver/MinMaxLinearEquationSolver.h

@@ -115,18 +115,6 @@ namespace storm {
              */
             std::vector<uint_fast64_t> const& getSchedulerChoices() const;
 
-            /**
-             * Gets the precision after which the solver takes two numbers as equal.
-             *
-             * @see getRelative()
-             */
-            virtual ValueType getPrecision() const = 0;
-
-            /**
-             *  Gets whether the precision is taken to be absolute or relative
-             */
-            virtual bool getRelative() const = 0;
-            
             /*!
              * Sets whether some of the generated data during solver calls should be cached.
              * This possibly decreases the runtime of subsequent calls but also increases memory consumption.

src/storm/solver/TopologicalMinMaxLinearEquationSolver.h

@@ -36,8 +36,8 @@ namespace storm {
             
             virtual void repeatedMultiply(OptimizationDirection dir, std::vector<ValueType>& x, std::vector<ValueType> const* b, uint_fast64_t n) const override;
 
-            virtual ValueType getPrecision() const override;
-            virtual bool getRelative() const override;
+            ValueType getPrecision() const;
+            bool getRelative() const;
 
         private:
             storm::storage::SparseMatrix<ValueType> const& A;