Function example_with_context

examples/calc_par_context_example.cpp:60–112

void example_with_context()
{
  printf("\n=== Par Calculation WITH SolverContext ===\n\n");

  // Create a single solver context for resource management
  SolverContext context;

  printf("SolverContext provides:\n");
  printf("  - Reuse of allocated solver resources across calculations\n");
  printf("  - Persistent solver resources (no per-call allocation overhead)\n");
  printf("  - Consistent API with other context-aware DDS operations\n\n");

  auto start_time = std::chrono::high_resolution_clock::now();

  for (int handno = 0; handno < 3; handno++)
  {
    DdTableDeal table_deal{};
    for (int h = 0; h < DDS_HANDS; ++h) {
      for (int s = 0; s < DDS_SUITS; ++s) {
        table_deal.cards[h][s] = holdings_[handno][s][h];
      }
    }

    DdTableResults ddtable;
    ParResults pres;
    // Use context-aware calc_par API
    int res = calc_par(
      context,
      table_deal,
      vulnerability_[handno],
      &ddtable,
      &pres);

    if (res == RETURN_NO_FAULT)
    {
      const char* suit_name = 
        (trump_suit_[handno] == 0 ? "♠" :
         trump_suit_[handno] == 1 ? "♥" :
         trump_suit_[handno] == 2 ? "♦" :
         trump_suit_[handno] == 3 ? "♣" : "NT");
      
      printf("Hand %d (%s): Par score = %s\n", 
             handno + 1,
             suit_name,
             pres.par_score[0]);
    }
  }

  auto end_time = std::chrono::high_resolution_clock::now();
  auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
      end_time - start_time).count();
  printf("\nTime (with context): %lld ms\n\n", static_cast<long long>(elapsed));
}


void example_mixed_usage()