operator==,!=(std::bitset)
bool operator==( const bitset<N>& rhs ) const; | (1) | |
bool operator!=( const bitset<N>& rhs ) const; | (2) |
1) Returns true if all of the bits in *this and rhs are equal.
2) Returns true if any of the bits in *this and rhs are not equal.
Parameters
| rhs | - | bitset to compare |
Return value
1) true if the value of each bit in *this equals the value of the corresponding bit in rhs, otherwise false.
2) true if !(*this == rhs), otherwise false.
Example
Compare two bitsets to determine if they are identical:
#include <iostream>
#include <bitset>
int main()
{
std::bitset<4> b1(3); // [0,0,1,1]
std::bitset<4> b2(b1);
std::bitset<4> b3(4); // [0,1,0,0]
std::cout << "b1 == b2: " << (b1 == b2) << '\n';
std::cout << "b1 == b3: " << (b1 == b3) << '\n';
std::cout << "b1 != b3: " << (b1 != b3) << '\n';
}Output:
b1 == b2: 1 b1 == b3: 0 b1 != b3: 1
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/utility/bitset/operator_cmp