added explicit conversion to float

Author: nguidotti

cpp/src/dual_simplex/branch_and_bound.cpp

@@ -534,7 +534,9 @@ void branch_and_bound_t<i_t, f_t>::add_feasible_solution(f_t leaf_objective,
     f_t lower_bound = get_lower_bound();
     f_t obj         = compute_user_objective(original_lp_, upper_bound_);
     f_t lower       = compute_user_objective(original_lp_, lower_bound);
-    f_t iter_node   = nodes_explored > 0 ? exploration_stats_.total_lp_iters / nodes_explored : 0;
+    f_t iter_node   = nodes_explored > 0 ? static_cast<f_t>(exploration_stats_.total_lp_iters) /
+                                           static_cast<f_t>(nodes_explored)
+                                         : 0;
     settings_.log.printf("%s%10d   %10lu    %+13.6e    %+10.6e   %6d   %7.1e     %s %9.2f\n",
                          feasible_solution_symbol(thread_type),
                          nodes_explored,