Template function to pretty print table in C++

table.cpp

// template function to print table
template <typename T>
void ptable(vector<vector<T>> table, int axis_offset = 0, int split = 10,
            int tab_size = 8, int index_width = 3, bool round_val = false) {
  int rows = table.size();
  int splitted_parts = rows / split + (rows % split != 0);
  for (int table_n = 0; table_n < splitted_parts; table_n++) {
    int columns = min(split, (int)rows - table_n * split);
    cout << setw(index_width + 3) << " | ";
    for (int i = 0; i < columns; i++) {
      cout << " " << setw(tab_size) << i + axis_offset + table_n * split;
    }
    cout << endl;
    cout << string(index_width, '-') << "-+-";
    cout << string(columns * (tab_size + 1), '-') << endl;

    for (int row = 0; row < rows; row++) {
      cout << setw(index_width) << row + axis_offset << " | ";
      for (int column = 0; column < columns; column++) {
        int index = table_n * split + column;
        cout << setw(tab_size);
        cout << (round_val ? round(table[row][index]) : table[row][index]);
      }
      cout << endl;
    }
    cout << endl;
  }
}

// example output:

//     |            0           1           2           3           4           5
// ----+-------------------------------------------------------------------------
//   0 |    0.0017979    0.002639  0.00423561  0.00769484   0.0151903   0.0311306
//   1 |     0.002639   0.0026309  0.00424525   0.0076668   0.0149739   0.0310413
//   2 |   0.00423561  0.00424525  0.00429366  0.00769452   0.0149907     0.03101
//   3 |   0.00769484   0.0076668  0.00769452  0.00774157   0.0150098   0.0310436
//   4 |    0.0151903   0.0149739   0.0149907   0.0150098   0.0150485   0.0311538
//   5 |    0.0311306   0.0310413     0.03101   0.0310436   0.0311538   0.0313158