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>

Public Member Functions
XGBOOST_DEVICE	GradientPairInt64 (T grad, T hess)

	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.

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

Public Types