Added some logger info

Author: cvanaret

uno/ingredients/constraint_relaxation_strategies/FeasibilityRestoration.cpp

@@ -78,7 +78,7 @@ namespace uno {
       if (this->current_phase == Phase::OPTIMALITY) {
          statistics.set("phase", "OPT");
          try {
-            DEBUG << "Solving the optimality subproblem\n";
+            DEBUG << "Solving the optimality problem\n";
             const OptimizationProblem optimality_problem{model};
             this->solve_subproblem(statistics, *this->optimality_inequality_handling_method, optimality_problem, current_iterate,
                direction, *this->optimality_hessian_model, *this->optimality_regularization_strategy, trust_region_radius,
@@ -103,7 +103,7 @@ namespace uno {
       }
 
       // solve the feasibility problem (minimize the constraint violation)
-      DEBUG << "Solving the feasibility subproblem\n";
+      DEBUG << "Solving the feasibility problem\n";
       statistics.set("phase", "FEAS");
       // note: failure of regularization should not happen here, since the feasibility Jacobian has full rank
       l1RelaxedProblem feasibility_problem{model, 0., this->constraint_violation_coefficient,

uno/ingredients/inequality_handling_methods/equality_constrained_methods/LPEQPMethod.cpp

@@ -139,6 +139,7 @@ namespace uno {
    // protected member functions
    void LPEQPMethod::solve_LP(Statistics& statistics, Subproblem& subproblem, const Multipliers& current_multipliers,
          const WarmstartInformation& warmstart_information) {
+      DEBUG << "LP-EQP: solving the LP subproblem\n";
       this->LP_solver->solve(statistics, subproblem, this->initial_point, this->LP_direction, warmstart_information);
       InequalityHandlingMethod::compute_dual_displacements(current_multipliers, this->LP_direction.multipliers);
       this->number_subproblems_solved++;
@@ -157,6 +158,7 @@ namespace uno {
 
    void LPEQPMethod::solve_EQP(Statistics& statistics, Subproblem& subproblem, const Multipliers& current_multipliers,
          Direction& direction, const WarmstartInformation& warmstart_information) {
+      DEBUG << "LP-EQP: solving the EQP subproblem\n";
       this->QP_solver->solve(statistics, subproblem, this->initial_point, direction, warmstart_information);
 
       // correct EQP multipliers (the QP solver has no knowledge of the original bounds of fixed variables)