bhfmm::SHLocalParticle Class Reference

Inheritance diagram for bhfmm::SHLocalParticle:

Public Member Functions
	SHLocalParticle (int order, bool initializeExpansionToZero=true)
void	addSource (const Vector3< double > &position, double charge)
void	addMultipoleParticle (const MultipoleParticle &multipole, Vector3< double > periodicShift)
void	addMultipoleParticle_Wigner (const MultipoleParticle &multipole, Vector3< double > periodicShift, double *cellWid, std::map< Vector3< int >, RotationParams, Vector3< int >::compare > &M2L_Wigner)
void	actOnLocalParticle (LocalParticle &small) const
void	actOnLocalParticle_Wigner (LocalParticle &small, const WignerMatrix &W_pos, const WignerMatrix &W_neg, const double *CosSinPhi, const int negate, const double &magnitude) const
void	actOnTarget (const Vector3< double > &position, double charge, double &potential, Vector3< double > &force) const
void	clear ()
int	getNumEntries () const
const SolidHarmonicsExpansion &	getConstExpansion () const
SolidHarmonicsExpansion &	getExpansion ()
void	writeValuesToMPIBuffer (double *buf, int &position) const
void	readValuesFromMPIBuffer (double *buf, int &position)
void	addValuesFromMPIBuffer (double *buf, int &position)
Public Member Functions inherited from bhfmm::PseudoParticle
const Vector3< double > &	getCenter () const
void	setCenter (const Vector3< double > &center)
int	getOrder () const
void	setOrder (int order)
double	getRadius () const
void	setRadius (double radius)

Additional Inherited Members
Protected Attributes inherited from bhfmm::PseudoParticle
Vector3< double >	_center
double	_radius
double	_radiusSquared
int	_order

Member Function Documentation

actOnLocalParticle()

void bhfmm::SHLocalParticle::actOnLocalParticle ( LocalParticle &  small ) const

virtual

L2L operator

Parameters

small

Implements bhfmm::LocalParticle.

actOnLocalParticle_Wigner()

void bhfmm::SHLocalParticle::actOnLocalParticle_Wigner	(	LocalParticle &	small,
		const WignerMatrix &	W_pos,
		const WignerMatrix &	W_neg,
		const double *	CosSinPhi,
		const int	negate,
		const double &	magnitude
	)		const

rotation accelerated L2L operator

Parameters

small	- the smaller particle to be added to the larger one (this)
W_pos	- Wigner matrix for positive rotation
W_neg	- Wigner matrix for negative (backward) rotation
CosSinPhi	- lookup for Cos(m*phi) and Sin(m*phi) values
negate	- reverse phi rotation (1 -> positive rotation, -1 -> negative rotation)
magnitude	- length of translation vector

actOnTarget()

void bhfmm::SHLocalParticle::actOnTarget ( const Vector3< double > &  position, double  charge, double &  potential, Vector3< double > &  force  ) const

virtual

L2P operator

Parameters

position
charge
potential	stores resulting potential
force	stores resulting force

Implements bhfmm::LocalParticle.

addMultipoleParticle()

void bhfmm::SHLocalParticle::addMultipoleParticle ( const MultipoleParticle &  multipole, Vector3< double >  periodicShift  )

virtual

M2L operator

Parameters

multipole
periodicShift	- temporary addition for backwards compatibility with existing Periodic boundary conditions,

Todo:

: remove, when new container for FMM is introduced

Implements bhfmm::LocalParticle.

addMultipoleParticle_Wigner()

void bhfmm::SHLocalParticle::addMultipoleParticle_Wigner	(	const MultipoleParticle &	multipole,
		Vector3< double >	periodicShift,
		double *	cellWid,
		std::map< Vector3< int >, RotationParams, Vector3< int >::compare > &	M2L_Wigner
	)

rotation accelerated M2L operator

Parameters

multipole
periodicShift	- temporary addition for backwards compatibility with existing Periodic boundary conditions
M2L_Wigner	- lookup map for Wigner rotation matrices

addSource()

void bhfmm::SHLocalParticle::addSource ( const Vector3< double > &  position, double  charge  )

virtual

P2L operator

Parameters

position
charge

Implements bhfmm::LocalParticle.

clear()

void bhfmm::SHLocalParticle::clear ( )

virtual

set expansions to zero for a new iteration

Implements bhfmm::PseudoParticle.

getNumEntries()

int bhfmm::SHLocalParticle::getNumEntries ( ) const

virtual

Implements bhfmm::PseudoParticle.

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

• src/bhfmm/pseudoParticles/SHLocalParticle.h
• src/bhfmm/pseudoParticles/SHLocalParticle.cpp