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Bitwise operations: Difference between revisions
→Add c++20 rotate functions {{header|C++}}
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std::cout << "a xor b: " << (a ^ b) << '\n';
std::cout << "not a: " << ~a << '\n';
// Note: the C/C++ shift operators are not guaranteed to work if the shift count (that is, b)
// is negative, or is greater or equal to the number of bits in the integer being shifted.
std::cout << "a shl b: " << (a << b) << '\n'; // Note: "<<" is used both for output and for left shift
std::cout << "a shr b: " << (a >> b) << '\n'; // typically arithmetic right shift, but not guaranteed
unsigned int
std::cout << "
// there are no rotation operators in C++, but as of c++20 there is a standard-library rotate function.
// The rotate function works for all rotation amounts, but the integer being rotated must always be an
// unsigned integer.
std::cout << "a rol b: " << std::rotl(ua, b) << '\n';
std::cout << "a ror b: " << std::rotr(ua, b) << '\n';
}</lang>
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