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__gnu_parallel::_LoserTree< __stable, _Tp, _Compare >(3) Library Functions Manual __gnu_parallel::_LoserTree< __stable, _Tp, _Compare >(3)

NAME

__gnu_parallel::_LoserTree< __stable, _Tp, _Compare > - 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)
 
Delete the smallest element and insert a new element from the previously smallest element's sequence. int __get_min_source ()
 
void __init ()
 
unsigned int __init_winner (unsigned int __root)
 
void __insert_start (const _Tp &__key, int __source, bool __sup)
 
Initializes the sequence '_M_source' with the element '__key'.

Protected Attributes


_Compare _M_comp
 
_Compare to use. bool _M_first_insert
 
State flag that determines whether the _LoserTree is empty. unsigned int _M_ik
 
unsigned int _M_k
 
unsigned int _M_log_k
 
_Loser * _M_losers
 
_LoserTree __elements. 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 169 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 222 of file losertree.h.

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 155 of file losertree.h.
References __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 134 of file losertree.h.
References __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::_Loser::_M_key, __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.
Referenced by __gnu_parallel::_LoserTree< false, _Tp, _Compare >::__init_winner().

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.

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::_LoserTree< false, _Tp, _Compare >::__init_winner(), and __gnu_parallel::_LoserTreeBase< _Tp, _Compare >::~_LoserTreeBase().
 

Author

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Fri Sep 15 2017 libstdc++