Bitset Struct Reference

Dynamic bitset class. More...

List of all members.

Public Types
typedef int	key_type
typedef int	value_type
typedef std::less< key_type >	key_compare
typedef key_compare	value_compare
typedef value_type	reference
typedef const value_type	const_reference
typedef unsigned int	size_type
typedef int	difference_type
typedef value_type *	pointer
typedef const value_type *	const_pointer
typedef std::reverse_iterator< iterator >	reverse_iterator
typedef std::reverse_iterator< const_iterator >	const_reverse_iterator
typedef unsigned int	data_type
Public Member Functions
	Bitset (size_type max)
	Default constructor.
	Bitset (size_type max, const data_type *data)
	Constructor with user-provided bit field.
	Bitset (const Bitset &bs)
	Copy constructor.
template<class InputIterator>
	Bitset (InputIterator first, InputIterator last)
	Constructor from Input Iterators.
	~Bitset ()
	Standard destructor.
Bitset &	operator= (const Bitset &rhs)
	Affectation.
bool	empty () const
size_type	size () const
size_type	max_size () const
void	swap (Bitset &other)
	Swap with another Bitset.
void	clear ()
	Clear the set.
key_compare	key_comp () const
value_compare	value_comp () const
iterator	find (const key_type &x) const
	Find an element in the set.
size_type	count (const key_type &x) const
	Used for compatibility with std::set. Returns 0 or 1.
iterator	lower_bound (const key_type &x) const
iterator	upper_bound (const key_type &x) const
std::pair< iterator, iterator >	equal_range (const key_type &x) const
bool	operator== (const Bitset &rhs) const
bool	operator< (const Bitset &rhs) const
bool	operator!= (const Bitset &rhs) const
bool	operator> (const Bitset &rhs) const
bool	operator>= (const Bitset &rhs) const
bool	operator<= (const Bitset &rhs) const
Bitset	operator & (const Bitset &rhs) const
Bitset	operator| (const Bitset &rhs) const
bool	operator[] (const key_type &x) const
	Returns the xth bit.
Bitset	project (const Bitset &b) const
	Project the set onto another bitset. The result is space-optimized.
Bitset	unproject (const Bitset &b) const
	Inverse function of project.
unsigned	to_unsigned () const
	Reinterpret bits as unsigned int.
template<typename Type>
const Type	cast () const
	Reinterpret bits as another type.
std::ostream &	print (std::ostream &ostr) const
	Print the set.
iterator	begin ()
	Iterators.
const_iterator	begin () const
	Iterators.
iterator	end ()
	Iterators.
const_iterator	end () const
	Iterators.
reverse_iterator	rbegin ()
	Reverse iterators.
const_reverse_iterator	rbegin () const
	Reverse iterators.
reverse_iterator	rend ()
	Reverse iterators.
const_reverse_iterator	rend () const
	Reverse iterators.
std::pair< iterator, bool >	insert (const value_type &x)
	Insert an element into the set.
iterator	insert (iterator position, const value_type &x)
	Insert an element into the set.
template<class InputIterator>
void	insert (InputIterator first, InputIterator last)
	Insert an element into the set.
void	erase (iterator position)
	Erase an element from the set.
size_type	erase (const key_type &x)
	Erase an element from the set.
void	erase (iterator first, iterator last)
	Erase an element from the set.
Protected Types
enum
Protected Member Functions
bool	get_bit (size_type index, size_type bit) const
	Get a bit inside data_.
size_type	compute_size () const
	Recalculate the set's size when invalid.
bit_iterator	bit_begin () const
const bit_iterator &	bit_end () const
bool	get_bit (const bit_iterator &it) const
	Get a bit inside data_ given an iterator.
template<class BitAction>
bool	do_on_bit (BitAction &action, const key_type &x)
	Perform an action onto the bit corresponding to an element.
template<class BitAction>
bool	do_on_bit (BitAction &action, const bit_iterator &it)
	Perform an action onto the bit corresponding to an element.
template<class ConstBitAction>
bool	do_on_bit (ConstBitAction &action, const key_type &x) const
	Perform an action onto the bit corresponding to an element, const.
template<class ConstBitAction>
bool	do_on_bit (ConstBitAction &action, const bit_iterator &it) const
	Perform an action onto the bit corresponding to an element, const.
Static Protected Member Functions
static size_type	get_data_size (size_type max)
	Calculates the number of data_type needed for the set.
static size_type	get_index (const key_type &x)
	Get the index of x in the data_ attribute.
static size_type	get_bitnum (const key_type &x)
	Get the bit number of x inside the data_[i] attribute.
Protected Attributes
size_type	data_size_
data_type *	data_
size_type	max_size_
size_type	size_
bit_iterator	end_
Classes
struct	bit_iterator
struct	BitActionCount
struct	const_iterator
struct	iterator

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Detailed Description

Dynamic bitset class.

This is a dynamic bitset implementation which behave almost like a std::set<int>.

Author:

Thomas Claveirole <thomas@lrde.epita.fr>

Definition at line 45 of file bitset.hh.

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Constructor & Destructor Documentation

Bitset (  size_type  max  )  [inline]

Default constructor. Parameters: max  The highest integer which could be inserted into the set. Definition at line 43 of file bitset.hxx. References Bitset::data_, and Bitset::data_size_.

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Member Function Documentation

Bitset unproject (  const Bitset &  b  )  const [inline]

Inverse function of project. S.project (T).unproject (T) == S cap T See also: project () Definition at line 558 of file bitset.hxx. References assertion, Bitset::bit_begin(), Bitset::bit_end(), Bitset::do_on_bit(), Bitset::get_bit(), Bitset::max_size(), and Bitset::BitActionCount::value.

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