PlayaFunctors::Norm2< Scalar > Class Template Reference

Euclidean norm of a vector. More...

Inheritance diagram for PlayaFunctors::Norm2< Scalar >:

List of all members.

Public Member Functions
	Norm2 (const MPIComm &comm)
void	step (int i, const Scalar &x) const
void	postProc () const
Scalar	result () const
std::string	description () const
Private Attributes
Scalar	val_

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Detailed Description

template<class Scalar>
class PlayaFunctors::Norm2< Scalar >

Euclidean norm of a vector.

Definition at line 239 of file PlayaVectorFunctorsImpl.hpp.

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Constructor & Destructor Documentation

template<class Scalar >

PlayaFunctors::Norm2< Scalar >::Norm2

(

const MPIComm &

comm

)

[inline]

Definition at line 242 of file PlayaVectorFunctorsImpl.hpp.

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Member Function Documentation

template<class Scalar >

std::string PlayaFunctors::Norm2< Scalar >::description

(

)

const [inline]

Definition at line 263 of file PlayaVectorFunctorsImpl.hpp.

template<class Scalar >

void PlayaFunctors::Norm2< Scalar >::postProc

(

)

const [inline, virtual]

Callback for any postprocessing step (for example, MPI all-reduce)

Implements PlayaFunctors::ReductionFunctorBase< Scalar >.

Definition at line 250 of file PlayaVectorFunctorsImpl.hpp.

References Playa::MPIComm::allReduce(), PlayaFunctors::ReductionFunctorBase< Scalar >::comm(), Playa::MPIDataType::doubleType(), Playa::MPIOp::sumOp(), and PlayaFunctors::Norm2< Scalar >::val_.

template<class Scalar >

Scalar PlayaFunctors::Norm2< Scalar >::result

(

)

const [inline]

Definition at line 257 of file PlayaVectorFunctorsImpl.hpp.

References PlayaFunctors::Norm2< Scalar >::val_.

template<class Scalar >

void PlayaFunctors::Norm2< Scalar >::step	(	int	i,
		const Scalar &	x
	)			const [inline]

Definition at line 245 of file PlayaVectorFunctorsImpl.hpp.

References PlayaFunctors::Norm2< Scalar >::val_.

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Member Data Documentation

template<class Scalar >

Scalar PlayaFunctors::Norm2< Scalar >::val_ [mutable, private]

Definition at line 266 of file PlayaVectorFunctorsImpl.hpp.

Referenced by PlayaFunctors::Norm2< Scalar >::postProc(), PlayaFunctors::Norm2< Scalar >::result(), and PlayaFunctors::Norm2< Scalar >::step().