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

an entry in the sketch summary More...

#include <quantile.h>

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

Data Fields
RType	rmin
	minimum rank
RType	rmax
	maximum rank
RType	wmin
	maximum weight
DType	value
	the value of data

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

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

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

• External/xgboost/src/common/quantile.h