Custom unordered_set implementation. More...

#include <hashmap.hpp>

Inheritance diagram for hashmap::unordered_set< K, OPS >:

Collaboration diagram for hashmap::unordered_set< K, OPS >:

Classes
class	const_iterator

struct	entry_t
	internal entry type More...

class	iterator

Public Member Functions
	unordered_set ()
	Empty constructor. More...

	unordered_set (const unordered_set &other)
	Construct from another set. More...

	unordered_set (unordered_set &&other)
	Construct from another set. More...

unordered_set &	operator= (const unordered_set &other)

unordered_set &	operator= (unordered_set &&other)

	unordered_set (const std::initializer_list< K > &list)

template<class InputIterator >
	unordered_set (InputIterator first, InputIterator last)

template<class InputIterator >
void	insert (InputIterator first, InputIterator last)

std::pair< iterator, bool >	insert (const K &value)

hm_int	erase (const K &key)

iterator	erase (iterator it)

hm_int	count (const K &key) const

hm_int	count (const K &key, const_iterator it) const

iterator	find (const K &key)

const_iterator	find (const K &key) const

bool	operator[] (const K &key)

template<typename Compare = std::less<K>>
void	sort (Compare comp=Compare())

K	pop ()

void	swap (unordered_set &other)

bool	operator== (const unordered_set &other) const

bool	operator!= (const unordered_set &other) const

void	reserve (size_t n)

size_t	size () const

bool	empty () const

void	clear ()

iterator	begin ()

iterator	end ()

const_iterator	begin () const

const_iterator	end () const

Protected Member Functions
hm_int	do_hash (const K &key) const
	Generate a hash from a key. More...

void	do_rehash ()
	Resize the hashtable and compute new hashes. More...

hm_int	do_erase (hm_int index, hm_int hash)
	Remove an entry. More...

hm_int	do_lookup (const K &key, hm_int &hash) const
	Return hash and index for a key. More...

hm_int	do_insert (const K &value, hm_int &hash)
	Insert a pair consisting of a key and a default (empty) value. More...

Static Protected Member Functions
static void	do_assert (bool cond)

Protected Attributes
std::vector< hm_int >	hashtable
	the hashtable More...

std::vector< entry_t >	entries
	the stored entries More...

OPS	ops
	the hash generator More...

Friends
template<typename , hm_int , typename >
class	idict

Detailed Description

template<typename K, typename OPS>
class hashmap::unordered_set< K, OPS >

Custom unordered_set implementation.

Template Parameters

K	Key type.
OPS	Hashing and comparison class.

Definition at line 705 of file hashmap.hpp.

Constructor & Destructor Documentation

◆ unordered_set() [1/5]

template<typename K , typename OPS >

hashmap::unordered_set< K, OPS >::unordered_set ( )

inline

Empty constructor.

Definition at line 921 of file hashmap.hpp.

◆ unordered_set() [2/5]

template<typename K , typename OPS >

hashmap::unordered_set< K, OPS >::unordered_set ( const unordered_set< K, OPS > & other )

inline

Construct from another set.

Definition at line 925 of file hashmap.hpp.

◆ unordered_set() [3/5]

template<typename K , typename OPS >

hashmap::unordered_set< K, OPS >::unordered_set ( unordered_set< K, OPS > && other )

inline

Construct from another set.

Definition at line 932 of file hashmap.hpp.

◆ unordered_set() [4/5]

template<typename K , typename OPS >

hashmap::unordered_set< K, OPS >::unordered_set ( const std::initializer_list< K > & list )

inline

Definition at line 949 of file hashmap.hpp.

◆ unordered_set() [5/5]

template<typename K , typename OPS >

template<class InputIterator >

hashmap::unordered_set< K, OPS >::unordered_set	(	InputIterator	first,
		InputIterator	last
	)

inline

Definition at line 956 of file hashmap.hpp.

Member Function Documentation

◆ begin() [1/2]

template<typename K , typename OPS >

iterator hashmap::unordered_set< K, OPS >::begin ( )

inline

Definition at line 1070 of file hashmap.hpp.

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◆ begin() [2/2]

template<typename K , typename OPS >

const_iterator hashmap::unordered_set< K, OPS >::begin ( ) const

inline

Definition at line 1073 of file hashmap.hpp.

◆ clear()

template<typename K , typename OPS >

void hashmap::unordered_set< K, OPS >::clear ( )

inline

Definition at line 1068 of file hashmap.hpp.

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◆ count() [1/2]

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::count ( const K & key ) const

inline

Definition at line 992 of file hashmap.hpp.

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◆ count() [2/2]

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::count	(	const K &	key,
		const_iterator	it
	)		const

inline

Definition at line 999 of file hashmap.hpp.

◆ do_assert()

template<typename K , typename OPS >

static void hashmap::unordered_set< K, OPS >::do_assert ( bool cond )

inlinestaticprotected

Definition at line 730 of file hashmap.hpp.

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◆ do_erase()

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::do_erase	(	hm_int	index,
		hm_int	hash
	)

inlineprotected

Remove an entry.

Parameters

index	The index in the entries vector.
hash	The hash -> index w.r.t. hashtable.

Returns

Definition at line 776 of file hashmap.hpp.

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◆ do_hash()

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::do_hash ( const K & key ) const

inlineprotected

Generate a hash from a key.

Hash in always in the range of the current hash table size.

Parameters

key The key.

Returns: The hash.

Definition at line 744 of file hashmap.hpp.

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◆ do_insert()

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::do_insert	(	const K &	value,
		hm_int &	hash
	)

inlineprotected

Insert a pair consisting of a key and a default (empty) value.

New values are always added to the end of the entries array. Their index is inserted into the hashtable at the hash index.

Parameters

[in]	key	The key.
[out]	hash	The hash index.

Returns: Insert index.

Definition at line 860 of file hashmap.hpp.

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◆ do_lookup()

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::do_lookup	(	const K &	key,
		hm_int &	hash
	)		const

inlineprotected

Return hash and index for a key.

Parameters

[in]	key	The key value.
[out]	hash	The hash, i.e. the hashtable index.

Returns: The enties index.

Definition at line 829 of file hashmap.hpp.

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◆ do_rehash()

template<typename K , typename OPS >

void hashmap::unordered_set< K, OPS >::do_rehash ( )

inlineprotected

Resize the hashtable and compute new hashes.

Definition at line 755 of file hashmap.hpp.

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◆ empty()

template<typename K , typename OPS >

bool hashmap::unordered_set< K, OPS >::empty ( ) const

inline

Definition at line 1067 of file hashmap.hpp.

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◆ end() [1/2]

template<typename K , typename OPS >

iterator hashmap::unordered_set< K, OPS >::end ( )

inline

Definition at line 1071 of file hashmap.hpp.

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◆ end() [2/2]

template<typename K , typename OPS >

const_iterator hashmap::unordered_set< K, OPS >::end ( ) const

inline

Definition at line 1074 of file hashmap.hpp.

◆ erase() [1/2]

template<typename K , typename OPS >

hm_int hashmap::unordered_set< K, OPS >::erase ( const K & key )

inline

Definition at line 978 of file hashmap.hpp.

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◆ erase() [2/2]

template<typename K , typename OPS >

iterator hashmap::unordered_set< K, OPS >::erase ( iterator it )

inline

Definition at line 985 of file hashmap.hpp.

◆ find() [1/2]

template<typename K , typename OPS >

iterator hashmap::unordered_set< K, OPS >::find ( const K & key )

inline

Definition at line 1006 of file hashmap.hpp.

◆ find() [2/2]

template<typename K , typename OPS >

const_iterator hashmap::unordered_set< K, OPS >::find ( const K & key ) const

inline

Definition at line 1015 of file hashmap.hpp.

◆ insert() [1/2]

template<typename K , typename OPS >

std::pair<iterator, bool> hashmap::unordered_set< K, OPS >::insert ( const K & value )

inline

Definition at line 968 of file hashmap.hpp.

◆ insert() [2/2]

template<typename K , typename OPS >

template<class InputIterator >

void hashmap::unordered_set< K, OPS >::insert	(	InputIterator	first,
		InputIterator	last
	)

inline

Definition at line 962 of file hashmap.hpp.

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◆ operator!=()

template<typename K , typename OPS >

bool hashmap::unordered_set< K, OPS >::operator!= ( const unordered_set< K, OPS > & other ) const

inline

Definition at line 1061 of file hashmap.hpp.

◆ operator=() [1/2]

template<typename K , typename OPS >

unordered_set& hashmap::unordered_set< K, OPS >::operator= ( const unordered_set< K, OPS > & other )

inline

Definition at line 937 of file hashmap.hpp.

◆ operator=() [2/2]

template<typename K , typename OPS >

unordered_set& hashmap::unordered_set< K, OPS >::operator= ( unordered_set< K, OPS > && other )

inline

Definition at line 943 of file hashmap.hpp.

◆ operator==()

template<typename K , typename OPS >

bool hashmap::unordered_set< K, OPS >::operator== ( const unordered_set< K, OPS > & other ) const

inline

Definition at line 1052 of file hashmap.hpp.

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◆ operator[]()

template<typename K , typename OPS >

bool hashmap::unordered_set< K, OPS >::operator[] ( const K & key )

inline

Definition at line 1024 of file hashmap.hpp.

◆ pop()

template<typename K , typename OPS >

K hashmap::unordered_set< K, OPS >::pop ( )

inline

Definition at line 1038 of file hashmap.hpp.

◆ reserve()

template<typename K , typename OPS >

void hashmap::unordered_set< K, OPS >::reserve ( size_t n )

inline

Definition at line 1065 of file hashmap.hpp.

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◆ size()

template<typename K , typename OPS >

size_t hashmap::unordered_set< K, OPS >::size ( ) const

inline

Definition at line 1066 of file hashmap.hpp.

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◆ sort()

template<typename K , typename OPS >

template<typename Compare = std::less<K>>

void hashmap::unordered_set< K, OPS >::sort ( Compare comp = Compare() )

inline

Definition at line 1032 of file hashmap.hpp.

◆ swap()

template<typename K , typename OPS >

void hashmap::unordered_set< K, OPS >::swap ( unordered_set< K, OPS > & other )

inline

Definition at line 1046 of file hashmap.hpp.

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Friends And Related Function Documentation

◆ idict

template<typename K , typename OPS >

template<typename , hm_int , typename >

friend class idict

friend

Definition at line 707 of file hashmap.hpp.

Member Data Documentation

◆ entries

template<typename K , typename OPS >

std::vector<entry_t> hashmap::unordered_set< K, OPS >::entries

protected

the stored entries

Definition at line 723 of file hashmap.hpp.

◆ hashtable

template<typename K , typename OPS >

std::vector<hm_int> hashmap::unordered_set< K, OPS >::hashtable

protected

the hashtable

Definition at line 721 of file hashmap.hpp.

◆ ops

template<typename K , typename OPS >

OPS hashmap::unordered_set< K, OPS >::ops

protected

the hash generator

Definition at line 725 of file hashmap.hpp.

The documentation for this class was generated from the following file:

fem/slimfem/src/hashmap.hpp

Classes

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Friends

Detailed Description

template<typename K, typename OPS> class hashmap::unordered_set< K, OPS >

Constructor & Destructor Documentation

◆ unordered_set() [1/5]

◆ unordered_set() [2/5]

◆ unordered_set() [3/5]

◆ unordered_set() [4/5]

◆ unordered_set() [5/5]

Member Function Documentation

◆ begin() [1/2]

◆ begin() [2/2]

◆ clear()

◆ count() [1/2]

◆ count() [2/2]

◆ do_assert()

◆ do_erase()

◆ do_hash()

◆ do_insert()

◆ do_lookup()

◆ do_rehash()

◆ empty()

◆ end() [1/2]

◆ end() [2/2]

◆ erase() [1/2]

◆ erase() [2/2]

◆ find() [1/2]

◆ find() [2/2]

◆ insert() [1/2]

◆ insert() [2/2]

◆ operator!=()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ operator==()

◆ operator[]()

◆ pop()

◆ reserve()

◆ size()

◆ sort()

◆ swap()

Friends And Related Function Documentation

◆ idict

Member Data Documentation

◆ entries

◆ hashtable

◆ ops

template<typename K, typename OPS>
class hashmap::unordered_set< K, OPS >