xgboost::common::WQSummary< DType, RType >::Entry Struct Reference

an entry in the sketch summary More...

#include <quantile.h>

Collaboration diagram for xgboost::common::WQSummary< DType, RType >::Entry:

Public Member Functions
XGBOOST_DEVICE	Entry ()
XGBOOST_DEVICE	Entry (RType rmin, RType rmax, RType wmin, DType value)
void	CheckValid (RType eps=0) const
	debug function, check Valid More...
XGBOOST_DEVICE RType	RMinNext () const
XGBOOST_DEVICE RType	RMaxPrev () const

Public Attributes
RType	rmin
	minimum rank More...
RType	rmax
	maximum rank More...
RType	wmin
	maximum weight More...
DType	value
	the value of data More...

Friends
std::ostream &	operator<< (std::ostream &os, Entry const &e)

Detailed Description

template<typename DType, typename RType>
struct xgboost::common::WQSummary< DType, RType >::Entry

an entry in the sketch summary

Constructor & Destructor Documentation

Entry() [1/2]

template<typename DType , typename RType >

XGBOOST_DEVICE xgboost::common::WQSummary< DType, RType >::Entry::Entry ( )

inline

Entry() [2/2]

template<typename DType , typename RType >

XGBOOST_DEVICE xgboost::common::WQSummary< DType, RType >::Entry::Entry ( RType  rmin, RType  rmax, RType  wmin, DType  value  )

inline

Member Function Documentation

CheckValid()

template<typename DType , typename RType >

void xgboost::common::WQSummary< DType, RType >::Entry::CheckValid ( RType  eps = 0 ) const

inline

debug function, check Valid

Parameters

eps	the tolerate level for violating the relation

RMaxPrev()

template<typename DType , typename RType >

XGBOOST_DEVICE RType xgboost::common::WQSummary< DType, RType >::Entry::RMaxPrev ( ) const

inline

Returns

rmax estimation for v strictly smaller than value

RMinNext()

template<typename DType , typename RType >

XGBOOST_DEVICE RType xgboost::common::WQSummary< DType, RType >::Entry::RMinNext ( ) const

inline

Returns

rmin estimation for v strictly bigger than value

Friends And Related Function Documentation

operator<<

template<typename DType , typename RType >

std::ostream& operator<< ( std::ostream &  os, Entry const &  e  )

friend

Member Data Documentation

rmax

template<typename DType , typename RType >

RType xgboost::common::WQSummary< DType, RType >::Entry::rmax

maximum rank

rmin

template<typename DType , typename RType >

RType xgboost::common::WQSummary< DType, RType >::Entry::rmin

minimum rank

value

template<typename DType , typename RType >

DType xgboost::common::WQSummary< DType, RType >::Entry::value

the value of data

wmin

template<typename DType , typename RType >

RType xgboost::common::WQSummary< DType, RType >::Entry::wmin

maximum weight

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

• /home/runner/work/xgboost/xgboost/src/common/quantile.h