bitset::flip
Toggles the value of all the bits in a bitset or toggles a single bit at a specified position.
bitset<N>& flip( );
bitset<N>& flip(
size_t _Pos
);
Parameters
- _Pos
The position of the bit whose value is to be toggled.
Return Value
A copy of the modified bitset for which the member function was invoked.
Remarks
The second member function throws an out_of_range exception if the position specified as a parameter is greater than the size N of the bitset<N> whose bit was toggled.
Example
// bitset_flip.cpp
// compile with: /EHsc
#include <bitset>
#include <iostream>
int main( )
{
using namespace std;
bitset<5> b1 ( 6 );
cout << "The collection of bits in the original bitset is: ( "
<< b1 << " )" << endl;
bitset<5> fb1;
fb1 = b1.flip ( );
cout << "After flipping all the bits, the bitset becomes: ( "
<< fb1 << " )" << endl;
bitset<5> f3b1;
f3b1 = b1.flip ( 3 );
cout << "After flipping the fourth bit, the bitset becomes: ( "
<< f3b1 << " )" << endl << endl;
bitset<5> b2;
int i;
for ( i = 0 ; i <= 4 ; i++ )
{
b2.flip(i);
cout << b2 << " The bit flipped is in position "
<< i << ".\n";
}
}
The collection of bits in the original bitset is: ( 00110 ) After flipping all the bits, the bitset becomes: ( 11001 ) After flipping the fourth bit, the bitset becomes: ( 10001 ) 00001 The bit flipped is in position 0. 00011 The bit flipped is in position 1. 00111 The bit flipped is in position 2. 01111 The bit flipped is in position 3. 11111 The bit flipped is in position 4.
Requirements
Header: <bitset>
Namespace: std