Ratio Manipulations in C++ | Set 2 (Comparison)

Manipulating ratio arithmetic has been discussed in Set 1 below

Ratio Manipulations in C++ | Set 1(Arithmetic)

In this article comparison of rations is discussed.

1. ratio_equal :- This templete alias checks if the ratios in its arguments are equal. Returns true if equal, else returns false. It returns a boolean member constant “value”.

1. ratio_not_equal :- This templete alias checks if the ratios in its arguments are not equal. Returns true if not equal, else if equal returns false. It returns a boolean member constant “value”.

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

Output:

Ratios are equal
Ratios are equal

3. ratio_greater :- This temporary alias check if ratio1 is greater than ratio2. It returns a boolean member constant “value” which returns true if ratio1 is greater than ratio2 else returns false.

4. ratio_less :- This temporary alias check if ratio1 is less than ratio2. It returns a boolean member constant “value” which returns true if ratio1 is less than ratio2 else returns false.

 // C++ code to demonstrate the working of // ratio_greater and ratio_less #include #include // for ratio manipulation using namespace std; 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::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::value ?               cout << "ratio1 is less than ratio2" :              cout << "ratio1 is not less than ratio2";     cout << endl;            return 0;        }

Output:

ratio1 is not greater than ratio2
ratio1 is less than ratio2

5. ratio_greater_equal :- This temporary alias check if ratio1 is greater or equal than ratio2. It returns a boolean member constant “value” which returns true if ratio1 is greater or equal than ratio2 else returns false.

6. ratio_less_equal :- This temporary alias check if ratio1 is less or equal than ratio2. It returns a boolean member constant “value” which returns true if ratio1 is less or equal than ratio2 else returns false.

 // C++ code to demonstrate the working of // ratio_greater_equal and ratio_less_equal #include #include // for ratio manipulation using namespace std; 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::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::value ?             cout << "ratio1 is less or equal than ratio2" :            cout << "ratio1 is not less or equal than ratio2";     cout << endl;            return 0;        }

Output:

ratio1 is greater or equal than ratio2
ratio1 is less or equal than ratio2

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