try to do efficient pruning More...

#include <quantile.h>

Inheritance diagram for xgboost::common::WXQSummary< DType, RType >:

Public Types
using	Entry = typename WQSummary< DType, RType >::Entry

Public Member Functions
	WXQSummary (Entry *data, size_t size)

void	SetPrune (const WQSummary< DType, RType > &src, size_t maxsize)

Public Member Functions inherited from xgboost::common::WQSummary< DType, RType >
	WQSummary (Entry *data, size_t size)

RType	MaxError () const

Entry	Query (DType qvalue, size_t &istart) const
	query qvalue, start from istart

RType	MaxRank () const

void	CopyFrom (const WQSummary &src)
	copy content from src

void	MakeFromSorted (const Entry *entries, size_t n)

void	CheckValid (RType eps) const
	debug function, validate whether the summary run consistency check to check if it is a valid summary

void	SetPrune (const WQSummary &src, size_t maxsize)
	set current summary to be pruned summary of src assume data field is already allocated to be at least maxsize

void	SetCombine (const WQSummary &sa, const WQSummary &sb)
	set current summary to be merged summary of sa and sb

void	Print () const

void	FixError (RType err_mingap, RType err_maxgap, RType *err_wgap) const

Static Public Member Functions
static bool	CheckLarge (const Entry &e, RType chunk)

Additional Inherited Members
Data Fields inherited from xgboost::common::WQSummary< DType, RType >
Entry *	data
	data field

size_t	size
	number of elements in the summary

Detailed Description

template<typename DType, typename RType>
struct xgboost::common::WXQSummary< DType, RType >

try to do efficient pruning

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

Public Types