Templates & Bits

#include <iostream>

template <typename BitVar>
BitVar RotateLeft(BitVar input, unsigned char amount){
    return ((input << amount) | (input >> (sizeof(input)*CHAR_BIT - amount)));
}

template <typename BitVar>
BitVar RotateRight(BitVar input, unsigned char amount){
    return ((input >> amount) | (input << (sizeof(input)*CHAR_BIT - amount)));
}

int main(){
    unsigned short test = 0xABCD;
    std::cout <<std::hex<< RotateLeft(test, 4) << std::endl;
    system("PAUSE>NUL");
    return 0;
}