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__gnu_parallel__LoserTree.3cxx

NAME

__gnu_parallel::_LoserTree -

Stable _LoserTree variant.

SYNOPSIS

Inherits __gnu_parallel::_LoserTreeBase< _Tp, _Compare >.

Public Member Functions

_LoserTree (unsigned int __k, _Compare __comp)

void __delete_min_insert (_Tp __key, bool __sup)

int __get_min_source ()

void __init ()

unsigned int __init_winner (unsigned int __root)

void __insert_start (const _Tp &__key, int __source, bool __sup)

Protected Attributes

_Compare _M_comp

bool _M_first_insert

unsigned int _M_ik

unsigned int _M_k

unsigned int _M_log_k

_Loser * _M_losers

unsigned int _M_offset

Detailed Description

template<bool __stable, typename _Tp, typename _Compare> class __gnu_parallel::_LoserTree< __stable, _Tp, _Compare >

Stable _LoserTree variant.

Provides the stable implementations of insert_start, __init_winner, __init and __delete_min_insert.

Unstable variant is done using partial specialisation below.

Definition at line 165 of file losertree.h.

Member Function Documentation

template<bool __stable, typename _Tp , typename _Compare > void __gnu_parallel::_LoserTree< __stable, _Tp, _Compare >::__delete_min_insert (_Tp __key, bool __sup) [inline]

Delete the smallest element and insert a new element from the previously smallest element's sequence. This implementation is stable.

Definition at line 217 of file losertree.h.

References std::swap().

template<typename _Tp , typename _Compare > int __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::__get_min_source () [inline, inherited]Returns:

the index of the sequence with the smallest element.

Definition at line 151 of file losertree.h.

References __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_losers, and __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_Loser::_M_source.

template<typename _Tp , typename _Compare > void __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::__insert_start (const _Tp & __key, int __source, bool __sup) [inline, inherited]

Initializes the sequence '_M_source' with the element '__key'. Parameters:

__key the element to insert
__source __index of the __source __sequence
__sup flag that determines whether the value to insert is an explicit __supremum.

Definition at line 130 of file losertree.h.

References __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_first_insert, __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_Loser::_M_key, __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_losers, __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_Loser::_M_source, and __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_Loser::_M_sup.

Member Data Documentation

template<typename _Tp , typename _Compare > _Compare __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_comp [protected, inherited]

_Compare to use.

Definition at line 78 of file losertree.h.

template<typename _Tp , typename _Compare > bool __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_first_insert [protected, inherited]

State flag that determines whether the _LoserTree is empty. Only used for building the _LoserTree.

Definition at line 85 of file losertree.h.

Referenced by __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::__insert_start(), and __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_LoserTreeBase().

template<typename _Tp , typename _Compare > unsigned int __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_log_k [protected, inherited]log_2{_M_k}

Definition at line 72 of file losertree.h.

Referenced by __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_LoserTreeBase().

template<typename _Tp , typename _Compare > _Loser* __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_M_losers [protected, inherited]

_LoserTree __elements.

Definition at line 75 of file losertree.h.

Referenced by __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::__get_min_source(), __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::__insert_start(), __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_LoserTreeBase(), and __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::~_LoserTreeBase().

Author

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