#include <bitstring.h>

Collaboration diagram for bitstring::reference:

Public Member Functions
	reference (bitstring &bs, size_t pos)

	~reference ()

reference &	operator= (bool x)

reference &	operator= (const reference &j)

bool	operator~ () const

	operator bool () const

reference &	flip ()

Private Member Functions
	reference ()

Private Attributes
_ul *	_word

size_t	_bitpos

Friends
class	bitstring

Constructor & Destructor Documentation

◆ reference() [1/2]

bitstring::reference::reference ( )

private

◆ reference() [2/2]

bitstring::reference::reference	(	bitstring &	bs,
		size_t	pos
	)

inline

     {
       _word = bs.getword_atPos( pos );
       _bitpos = pos % BITS_PER_WORD;
     }

References _bitpos, _word, BITS_PER_WORD, and bitstring::getword_atPos().

◆ ~reference()

bitstring::reference::~reference ( )

inline

81 { }

Member Function Documentation

◆ flip()

reference& bitstring::reference::flip ( )

inline

     {
       *_word ^= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
       return *this;
     }

References _bitpos, _word, and BITS_PER_WORD.

◆ operator bool()

bitstring::reference::operator bool ( ) const

inline

109 { return (*(_word) & ( 1UL << ( _bitpos % BITS_PER_WORD ) ) ) != 0; }

References _bitpos, _word, and BITS_PER_WORD.

◆ operator=() [1/2]

reference& bitstring::reference::operator= ( bool x )

inline

     {
       if (x)
         *_word |= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
       else
         *_word &= ~( 1UL << ( _bitpos % BITS_PER_WORD ) );
       return *this;
     }

References _bitpos, _word, and BITS_PER_WORD.

◆ operator=() [2/2]

reference& bitstring::reference::operator= ( const reference & j )

inline

     {
       if ((*(j._word) & ( 1UL << ( j._bitpos % BITS_PER_WORD ) ) ))
         *_word |= ( 1UL << ( _bitpos % BITS_PER_WORD ) );
       else
         *_word &= ~( 1UL << ( _bitpos % BITS_PER_WORD ) );
       return *this;
     }