Observability: full observability check meshed network without voltage phasor

power_grid_model_c/power_grid_model/include/power_grid_model/math_solver/iterative_linear_se_solver.hpp

@@ -99,7 +99,7 @@ template <symmetry_tag sym_type> class IterativeLinearSESolver {
         sub_timer = Timer{log, LogEvent::preprocess_measured_value};
         MeasuredValues<sym> const measured_values{y_bus.shared_topology(), input};
         auto const observability_result =
-            observability_check(measured_values, y_bus.math_topology(), y_bus.y_bus_structure());
+            observability::observability_check(measured_values, y_bus.math_topology(), y_bus.y_bus_structure());
 
         // prepare matrix
         sub_timer = Timer{log, LogEvent::prepare_matrix_including_prefactorization};

power_grid_model_c/power_grid_model/include/power_grid_model/math_solver/newton_raphson_se_solver.hpp

@@ -167,7 +167,7 @@ template <symmetry_tag sym_type> class NewtonRaphsonSESolver {
         sub_timer = Timer{log, LogEvent::preprocess_measured_value};
         MeasuredValues<sym> const measured_values{y_bus.shared_topology(), input};
         auto const observability_result =
-            observability_check(measured_values, y_bus.math_topology(), y_bus.y_bus_structure());
+            observability::observability_check(measured_values, y_bus.math_topology(), y_bus.y_bus_structure());
 
         // initialize voltage with initial angle
         sub_timer = Timer{log, LogEvent::initialize_voltages};