Function testGetModel

check/TestCAPI.c:1813–1909

}

void testGetModel() {
  void* highs;
  highs = Highs_create();
  Highs_setBoolOptionValue(highs, "output_flag", dev_run);
  const double inf = Highs_getInfinity(highs);

  HighsInt num_col = 2;
  HighsInt num_row = 2;
  HighsInt num_nz = 4;
  HighsInt sense = -1;
  double col_cost[2] = {8, 10};
  double col_lower[2] = {0, 0};
  double col_upper[2] = {inf, inf};
  double row_lower[2] = {-inf, -inf};
  double row_upper[2] = {120, 210};
  HighsInt a_index[4] = {0, 1, 0, 1};
  double a_value[4] = {0.3, 0.5, 0.7, 0.5};
  HighsInt a_start[2] = {0, 2};
  Highs_addVars(highs, num_col, col_lower, col_upper);
  Highs_changeColsCostByRange(highs, 0, num_col - 1, col_cost);
  Highs_addRows(highs, num_row, row_lower, row_upper, num_nz, a_start, a_index,
                a_value);
  Highs_changeObjectiveSense(highs, sense);

  assert(Highs_getNumCols(highs) == num_col);
  assert(Highs_getNumRows(highs) == num_row);
  assert(Highs_getNumNz(highs) == num_nz);
  assert(Highs_getHessianNumNz(highs) == 0);

  HighsInt ck_num_col;
  HighsInt ck_num_row;
  HighsInt ck_num_nz;
  HighsInt ck_sense;
  double ck_offset;
  HighsInt a_format = kHighsMatrixFormatRowwise;

  // Get the model dimensions by passing array pointers as NULL
  HighsInt return_status;
  return_status = Highs_getLp(highs, a_format, &ck_num_col, &ck_num_row,
              &ck_num_nz, &ck_sense, &ck_offset, NULL, NULL, NULL, NULL, NULL,
              NULL, NULL, NULL, NULL);
  assert(return_status == kHighsStatusOk);

  assert(ck_num_col == num_col);
  assert(ck_num_row == num_row);
  assert(ck_num_nz == num_nz);
  // Motivated by #1712, ensure that the correct sense is returned when
  // maximizing
  assert(ck_sense == sense);

  double* ck_col_cost = (double*)malloc(sizeof(double) * ck_num_col);
  double* ck_col_lower = (double*)malloc(sizeof(double) * ck_num_col);
  double* ck_col_upper = (double*)malloc(sizeof(double) * ck_num_col);
  double* ck_row_lower = (double*)malloc(sizeof(double) * ck_num_row);
  double* ck_row_upper = (double*)malloc(sizeof(double) * ck_num_row);
  HighsInt* ck_a_start = (HighsInt*)malloc(sizeof(HighsInt) * ck_num_col);
  HighsInt* ck_a_index = (HighsInt*)malloc(sizeof(HighsInt) * ck_num_nz);
  double* ck_a_value = (double*)malloc(sizeof(double) * num_nz);