// C++ code to demonstrate the working of // ratio_equal and ratio_not_equal #include    #include  // for ratio manipulation using namespace std; // Driver Code int main() {  // Declaring ratios  typedef ratio<10 100> ratio1;  typedef ratio<1 10> ratio2;  // Checking if ratios are equal using ratio_equal  ratio_equal<ratio1 ratio2>::value  ? cout << 'Ratios are equal'  : cout << 'Ratios are not equal';  cout << endl;  // Checking if ratios are not equal using  // ratio_not_equal  ratio_not_equal<ratio1 ratio2>::value  ? cout << 'Ratios are not equal'  : cout << 'Ratios are equal';  return 0; } 

// C++ code to demonstrate the working of // ratio_greater and ratio_less #include    #include  // for ratio manipulation using namespace std; // Driver Code int main() {  // Declaring ratios  typedef ratio<10 100> ratio1;  typedef ratio<11 100> ratio2;  // Checking if ratio1 is greater than ratio2  // using ratio_greater  ratio_greater<ratio1 ratio2>::value  ? cout << 'ratio1 is greater than ratio2'  : cout << 'ratio1 is not greater than ratio2';  cout << endl;  // Checking if ratio1 is less than ratio2  // using ratio_less  ratio_less<ratio1 ratio2>::value  ? cout << 'ratio1 is less than ratio2'  : cout << 'ratio1 is not less than ratio2';  cout << endl;  return 0; } 

// C++ code to demonstrate the working of // ratio_greater_equal and ratio_less_equal #include    #include  // for ratio manipulation using namespace std; // Driver Code int main() {  // Declaring ratios  typedef ratio<10 100> ratio1;  typedef ratio<1 10> ratio2;  // Checking if ratio1 is greater or equal than ratio2  // using ratio_greater_equal  ratio_greater_equal<ratio1 ratio2>::value  ? cout << 'ratio1 is greater or equal than ratio2'  : cout << 'ratio1 is not greater or equal than '  'ratio2';  cout << endl;  // Checking if ratio1 is less or equal than ratio2  // using ratio_less_equal  ratio_less_equal<ratio1 ratio2>::value  ? cout << 'ratio1 is less or equal than ratio2'  : cout << 'ratio1 is not less or equal than ratio2';  cout << endl;  return 0; }