Enable cuts by default

Author: chris-maes

cpp/include/cuopt/linear_programming/mip/solver_settings.hpp

@@ -83,7 +83,7 @@ class mip_solver_settings_t {
   i_t node_limit                = std::numeric_limits<i_t>::max();
   bool heuristics_only          = false;
   i_t num_cpu_threads           = -1;  // -1 means use default number of threads in branch and bound
-  i_t max_cut_passes            = 0;   // number of cut passes to make
+  i_t max_cut_passes            = 10;  // number of cut passes to make
   i_t mir_cuts                  = -1;
   i_t mixed_integer_gomory_cuts = -1;
   i_t knapsack_cuts             = -1;

cpp/src/math_optimization/solver_settings.cu

@@ -89,7 +89,7 @@ solver_settings_t<i_t, f_t>::solver_settings_t() : pdlp_settings(), mip_settings
     {CUOPT_DUALIZE, &pdlp_settings.dualize, -1, 1, -1},
     {CUOPT_ORDERING, &pdlp_settings.ordering, -1, 1, -1},
     {CUOPT_BARRIER_DUAL_INITIAL_POINT, &pdlp_settings.barrier_dual_initial_point, -1, 1, -1},
-    {CUOPT_MIP_CUT_PASSES, &mip_settings.max_cut_passes, -1, std::numeric_limits<i_t>::max(), 0},
+    {CUOPT_MIP_CUT_PASSES, &mip_settings.max_cut_passes, -1, std::numeric_limits<i_t>::max(), 10},
     {CUOPT_MIP_MIXED_INTEGER_ROUNDING_CUTS, &mip_settings.mir_cuts, -1, 1, -1},
     {CUOPT_MIP_MIXED_INTEGER_GOMORY_CUTS, &mip_settings.mixed_integer_gomory_cuts, -1, 1, -1},
     {CUOPT_MIP_KNAPSACK_CUTS, &mip_settings.knapsack_cuts, -1, 1, -1},