xgboost::GradientPairInt64 Class Reference

Fixed point representation for high precision gradient pair. Has a different interface so we don't accidentally use it in gain calculations. More...

#include <base.h>

Collaboration diagram for xgboost::GradientPairInt64:

Public Types
using	ValueT = T

Public Member Functions
XGBOOST_DEVICE	GradientPairInt64 (T grad, T hess)
	GradientPairInt64 ()=default
	GradientPairInt64 (GradientPairInt64 const &g)=default
GradientPairInt64 &	operator= (GradientPairInt64 const &g)=default
XGBOOST_DEVICE T	GetQuantisedGrad () const
XGBOOST_DEVICE T	GetQuantisedHess () const
XGBOOST_DEVICE GradientPairInt64 &	operator+= (const GradientPairInt64 &rhs)
XGBOOST_DEVICE GradientPairInt64	operator+ (const GradientPairInt64 &rhs) const
XGBOOST_DEVICE GradientPairInt64 &	operator-= (const GradientPairInt64 &rhs)
XGBOOST_DEVICE GradientPairInt64	operator- (const GradientPairInt64 &rhs) const
XGBOOST_DEVICE bool	operator== (const GradientPairInt64 &rhs) const

Friends
std::ostream &	operator<< (std::ostream &os, const GradientPairInt64 &g)

Detailed Description

Fixed point representation for high precision gradient pair. Has a different interface so we don't accidentally use it in gain calculations.

Member Typedef Documentation

ValueT

using xgboost::GradientPairInt64::ValueT = T

Constructor & Destructor Documentation

GradientPairInt64() [1/3]

XGBOOST_DEVICE xgboost::GradientPairInt64::GradientPairInt64 ( T  grad, T  hess  )

inline

GradientPairInt64() [2/3]

xgboost::GradientPairInt64::GradientPairInt64 ( )

default

GradientPairInt64() [3/3]

xgboost::GradientPairInt64::GradientPairInt64 ( GradientPairInt64 const &  g )

default

Member Function Documentation

GetQuantisedGrad()

XGBOOST_DEVICE T xgboost::GradientPairInt64::GetQuantisedGrad ( ) const

inline

GetQuantisedHess()

XGBOOST_DEVICE T xgboost::GradientPairInt64::GetQuantisedHess ( ) const

inline

operator+()

XGBOOST_DEVICE GradientPairInt64 xgboost::GradientPairInt64::operator+ ( const GradientPairInt64 &  rhs ) const

inline

operator+=()

XGBOOST_DEVICE GradientPairInt64& xgboost::GradientPairInt64::operator+= ( const GradientPairInt64 &  rhs )

inline

operator-()

XGBOOST_DEVICE GradientPairInt64 xgboost::GradientPairInt64::operator- ( const GradientPairInt64 &  rhs ) const

inline

operator-=()

XGBOOST_DEVICE GradientPairInt64& xgboost::GradientPairInt64::operator-= ( const GradientPairInt64 &  rhs )

inline

operator=()

GradientPairInt64& xgboost::GradientPairInt64::operator= ( GradientPairInt64 const &  g )

default

operator==()

XGBOOST_DEVICE bool xgboost::GradientPairInt64::operator== ( const GradientPairInt64 &  rhs ) const

inline

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  os, const GradientPairInt64 &  g  )

friend

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

• /home/docs/checkouts/readthedocs.org/user_builds/xgboost/checkouts/stable/include/xgboost/base.h