xgboost::detail::GradientPairInternal< T > Class Template Reference

Implementation of gradient statistics pair. Template specialisation may be used to overload different gradients types e.g. low precision, high precision, integer, floating point. More...

#include <base.h>

Collaboration diagram for xgboost::detail::GradientPairInternal< T >:

Public Types
using	ValueT = T

Public Member Functions
void	Add (const ValueT &grad, const ValueT &hess)
	GradientPairInternal ()=default
XGBOOST_DEVICE	GradientPairInternal (T grad, T hess)
	GradientPairInternal (GradientPairInternal const &g)=default
	GradientPairInternal (GradientPairInternal &&g)=default
GradientPairInternal &	operator= (GradientPairInternal const &that)=default
GradientPairInternal &	operator= (GradientPairInternal &&that)=default
template<typename T2 >
XGBOOST_DEVICE	GradientPairInternal (const GradientPairInternal< T2 > &g)
XGBOOST_DEVICE T	GetGrad () const
XGBOOST_DEVICE T	GetHess () const
XGBOOST_DEVICE GradientPairInternal< T > &	operator+= (const GradientPairInternal< T > &rhs)
XGBOOST_DEVICE GradientPairInternal< T >	operator+ (const GradientPairInternal< T > &rhs) const
XGBOOST_DEVICE GradientPairInternal< T > &	operator-= (const GradientPairInternal< T > &rhs)
XGBOOST_DEVICE GradientPairInternal< T >	operator- (const GradientPairInternal< T > &rhs) const
XGBOOST_DEVICE GradientPairInternal< T > &	operator*= (float multiplier)
XGBOOST_DEVICE GradientPairInternal< T >	operator* (float multiplier) const
XGBOOST_DEVICE GradientPairInternal< T > &	operator/= (float divisor)
XGBOOST_DEVICE GradientPairInternal< T >	operator/ (float divisor) const
XGBOOST_DEVICE bool	operator== (const GradientPairInternal< T > &rhs) const
XGBOOST_DEVICE	GradientPairInternal (int value)

Static Public Member Functions
static void	Reduce (GradientPairInternal< T > &a, const GradientPairInternal< T > &b)

Friends
std::ostream &	operator<< (std::ostream &os, const GradientPairInternal< T > &g)

Detailed Description

template<typename T>
class xgboost::detail::GradientPairInternal< T >

Implementation of gradient statistics pair. Template specialisation may be used to overload different gradients types e.g. low precision, high precision, integer, floating point.

Member Typedef Documentation

ValueT

template<typename T >

using xgboost::detail::GradientPairInternal< T >::ValueT = T

Constructor & Destructor Documentation

GradientPairInternal() [1/6]

template<typename T >

xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( )

default

GradientPairInternal() [2/6]

template<typename T >

XGBOOST_DEVICE xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( T  grad, T  hess  )

inline

GradientPairInternal() [3/6]

template<typename T >

xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( GradientPairInternal< T > const &  g )

default

GradientPairInternal() [4/6]

template<typename T >

xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( GradientPairInternal< T > &&  g )

default

GradientPairInternal() [5/6]

template<typename T >

template<typename T2 >

XGBOOST_DEVICE xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( const GradientPairInternal< T2 > &  g )

inlineexplicit

GradientPairInternal() [6/6]

template<typename T >

XGBOOST_DEVICE xgboost::detail::GradientPairInternal< T >::GradientPairInternal ( int  value )

inlineexplicit

Member Function Documentation

Add()

template<typename T >

void xgboost::detail::GradientPairInternal< T >::Add ( const ValueT &  grad, const ValueT &  hess  )

inline

GetGrad()

template<typename T >

XGBOOST_DEVICE T xgboost::detail::GradientPairInternal< T >::GetGrad ( ) const

inline

GetHess()

template<typename T >

XGBOOST_DEVICE T xgboost::detail::GradientPairInternal< T >::GetHess ( ) const

inline

operator*()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T> xgboost::detail::GradientPairInternal< T >::operator* ( float  multiplier ) const

inline

operator*=()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T>& xgboost::detail::GradientPairInternal< T >::operator*= ( float  multiplier )

inline

operator+()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T> xgboost::detail::GradientPairInternal< T >::operator+ ( const GradientPairInternal< T > &  rhs ) const

inline

operator+=()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T>& xgboost::detail::GradientPairInternal< T >::operator+= ( const GradientPairInternal< T > &  rhs )

inline

operator-()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T> xgboost::detail::GradientPairInternal< T >::operator- ( const GradientPairInternal< T > &  rhs ) const

inline

operator-=()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T>& xgboost::detail::GradientPairInternal< T >::operator-= ( const GradientPairInternal< T > &  rhs )

inline

operator/()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T> xgboost::detail::GradientPairInternal< T >::operator/ ( float  divisor ) const

inline

operator/=()

template<typename T >

XGBOOST_DEVICE GradientPairInternal<T>& xgboost::detail::GradientPairInternal< T >::operator/= ( float  divisor )

inline

operator=() [1/2]

template<typename T >

GradientPairInternal& xgboost::detail::GradientPairInternal< T >::operator= ( GradientPairInternal< T > &&  that )

default

operator=() [2/2]

template<typename T >

GradientPairInternal& xgboost::detail::GradientPairInternal< T >::operator= ( GradientPairInternal< T > const &  that )

default

operator==()

template<typename T >

XGBOOST_DEVICE bool xgboost::detail::GradientPairInternal< T >::operator== ( const GradientPairInternal< T > &  rhs ) const

inline

Reduce()

template<typename T >

static void xgboost::detail::GradientPairInternal< T >::Reduce ( GradientPairInternal< T > &  a, const GradientPairInternal< T > &  b  )

inlinestatic

Friends And Related Function Documentation

operator<<

template<typename T >

std::ostream& operator<< ( std::ostream &  os, const GradientPairInternal< T > &  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/release_2.1.0/include/xgboost/base.h