__gnu_parallel::_LoserTree< __stable, _Tp, _Compare >

Section: C Library Functions (3)
Updated: Wed Apr 17 2019
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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

unsigned int _M_ik

unsigned int _M_log_k

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 >::_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 134 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 > 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().

Author

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