Addition of two integers using only bitwise operators (C++).
/**
Bitwise sum function for two integers.
@param first an integer argument, first summand
@param second an integer argument, second summand
@return The sum of a and b (integer)
*/
int bitwise_sum(int first = 0, int second = 0);std::cout << bitwise_sum(3, 5) // Output: 8.
<< bitwise_sum(0, 0) // Output: 0.
<< bitwise_sum(5000, 3000) // Output: 8000.
<< bitwise_sum(171, 13) // Output: 184.
<< bitwise_sum(788, 131); // Output: 919.