Add restart method to two-scale convergence tester

for use in inner iteration of semi-analytic solver

src/two_scale_convergence_tester.hpp

@@ -31,6 +31,7 @@ class Convergence_tester<Two_scale> {
    virtual ~Convergence_tester();
    virtual bool accuracy_goal_reached() = 0;
    virtual unsigned int max_iterations() const = 0;
+   virtual void restart() = 0;
 };
 
 }

src/two_scale_convergence_tester_drbar.hpp

@@ -43,6 +43,7 @@ class Convergence_tester_DRbar<Model<Two_scale> > :
    virtual bool accuracy_goal_reached() override;
    virtual double get_accuracy_goal() const { return accuracy_goal; }
    virtual unsigned int max_iterations() const override { return max_it; }
+   virtual void restart() override;
    double get_current_accuracy() const { return current_accuracy; }
    /// set maximum number of iterations
    void set_max_iterations(unsigned it) { max_it = it; }
@@ -146,6 +147,14 @@ void Convergence_tester_DRbar<Model<Two_scale> >::run_to_scale()
    }
 }
 
+template <template<class Method> class Model>
+void Convergence_tester_DRbar<Model<Two_scale> >::restart()
+{
+   it_count = 0;
+   current_model = Model<Two_scale>();
+   last_iteration_model = Model<Two_scale>();
+}
+
 } // namespace flexiblesusy
 
 #endif

src/two_scale_solver.cpp

@@ -109,7 +109,7 @@ void RGFlow<Two_scale>::solve()
 }
 
 /**
- * Sanity checks the models and boundary condtitions.
+ * Sanity checks the models and boundary conditions.
  */
 void RGFlow<Two_scale>::check_setup() const
 {