This class describes an MPI implementation of SM_LandauLifschitzSystem. More...

#include <SMOMPI_LandauLifschitzSystem.h>

Inheritance diagram for SMOMPI_LandauLifschitzSystem:

[legend]

Collaboration diagram for SMOMPI_LandauLifschitzSystem:

[legend]

Public Member Functions
virtual tMemSize	getMemorySize () const
	return the memory size of the class and the memory size of all its attributes/associations More...

virtual tMemSize	getContentsMemorySize () const
	return the memory size of the included associations More...

virtual void	sumOverNetworks (const int &rootNetwork, tIndex &n, const tIndex &nValues, tReal *values) const final
	sum the values of all network More...

void	discretize () override
	discretize the fields

virtual tBoolean	updateInitialMagneticMomentDirections (const SM_RealField &S0) final
	update the initial unit direction of spins More...

virtual tBoolean	initializeMagneticMomentDirections () final
	initialize magnetic moments direction More...

template<class StochFImplement , class NoiseFImplement >
tBoolean	stochasticRunWithSCStochasticFunctions (const tIndex &steppersNumber, SM_MultiStochasticFunctions< StochFImplement > &stochasticFunctions, const SM_NoiseRateFunction< NoiseFImplement > &noiseRateFunction)
	compute the relaxation process by calling only virtual methods More...

template<class StochFImplement , class NoiseImplement , class StochOutputImplement >
tBoolean	stochasticRunWithSCStochasticFunctions (const tIndex &steppersNumber, SM_MultiStochasticFunctions< StochFImplement > &stochasticFunctions, const SM_NoiseRateFunction< NoiseImplement > &noiseRateFunction, SM_StochasticOutput< StochOutputImplement > &stochasticOutput)
	compute the relaxation process by calling only virtual methods More...

virtual tReal	computeNetTorque (const tIndex &nSParticles, const tReal S, const tIndex &nHParticles, const tReal H) const final
	compute Net Torque \( \|S \wedge H \|_\infty \) More...

virtual void	computeVariationMagneticField (const tReal &dt, SM_RealField &H) const final
	computes \( H:=H.dt \) More...

virtual void	computeBrownianVariationMagneticField (SM_MultiStochasticFunctionsInterface &stochFs, const tReal &dt, const tReal &bdt, const tReal &epsilon, const tBoolean &incdWt, tReal *dWt, SM_RealField &H) final
	add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \) More...

template<class StochFImpl >
void	computeBrownianVariationMagneticFieldWithSCStochasticFunctions (SM_MultiStochasticFunctions< StochFImpl > &stochFs, const tReal &dt, const tReal &bdt, const tReal &epsilon, const tBoolean &incdWt, tReal *dWt, SM_RealField &H)
	add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \) More...

template<class StochFImpl , class NoiseFImpl >
tBoolean	stochasticRunWithSCStochasticFunctions (const tIndex &steppersNumber, SM_MultiStochasticFunctions< StochFImpl > &stochasticFunctions, const SM_NoiseRateFunction< NoiseFImpl > &noiseRateFunction)

template<class StochFImpl , class NoiseImpl , class StochOutputImpl >
tBoolean	stochasticRunWithSCStochasticFunctions (const tIndex &steppersNumber, SM_MultiStochasticFunctions< StochFImpl > &stochasticFunctions, const SM_NoiseRateFunction< NoiseImpl > &noiseRateFunction, SM_StochasticOutput< StochOutputImpl > &stochasticOutput)

Public Member Functions inherited from SM_LandauLifschitzSystem
const SM_TimeStepper &	getTimeStepper () const
	get the time stepper More...

SM_TimeStepper &	getTimeStepper ()
	get the time stepper More...

const tReal &	getTime () const
	get the time More...

const tIndex &	getTimeIndex () const
	get the time index More...

tIndex &	getTimeIndex ()
	get the time index More...

tReal &	getTime ()
	get the time More...

void	resetTime ()
	reset time

const tReal &	getNoiseRate () const
	get the noise rate More...

tReal &	getNoiseRate ()
	get the noise rate More...

void	setNoiseRateFunction (CORE_UniquePointer< SM_NoiseRateFunctionInterface > &f)
	gst the noise rate function More...

tBoolean	hasNoiseRateFunction () const
	return true if the noise rate function is not null More...

SM_NoiseRateFunctionInterface &	getNoiseRateFunction ()
	get the noise rate function More...

const SM_NoiseRateFunctionInterface &	getNoiseRateFunction () const
	get the noise rate function More...

virtual void	setNoiseTemperature (const tReal &T) override
	set the noise as a temperature in Kelvin More...

void	setIsRelaxed (const tBoolean &isRelaxed)
	set if the system runs until relaxation More...

const tBoolean &	isRelaxed () const
	get if the system runs until relaxation More...

void	setRelaxationTolerance (const tReal &eps)
	set the relaxation tolerance to detect relaxation More...

const tReal &	getRelaxationTolerance () const
	get the relaxation tolerance to detect relaxation More...

const tReal &	getRelaxationValue () const
	get the relaxation value to detect relaxation for reading More...

tReal &	getRelaxationValue ()
	get the relaxation value to detect relaxation for writing More...

tReal	computeNetTorque () const
	compute Net Torque \( \|S \wedge H \|_\infty \)

const SM_LandauLifschitzFunction &	getLandauLifschitzFunction () const
	get the Landau Lifschitz function return the Landau lifschitz function for reading

SM_LandauLifschitzFunction &	getLandauLifschitzFunction ()
	get the Landau Lifschitz function More...

virtual void	normalize (const tBoolean &isAdimensionized) override
	normalize the system More...

const SM_RealField &	getMagneticField () const
	get the magnetic field for writting More...

const SM_RealField &	getMagneticMomentDirectionsVariation () const
	get the variation of the direction of the magnetic moments for writting More...

virtual tULLInt	getGeneratedRandomNumbers () const override
	get the generated of random number within a stochastic run per one step of run

template<class StochOutputI >
tBoolean	deterministicRun (const tIndex &steppersNumber, SM_StochasticOutput< StochOutputI > &stochasticOutput)
	compute deterministic running of steppers number of the system with computing statistics More...

tBoolean	stochasticRun (const tIndex &steppersNumber, SM_MultiStochasticFunctionsInterface &sfs)
	compute the steppers number of system without stochastic output More...

template<class StochOutputImplement >
tBoolean	stochasticRun (const tIndex &steppersNumber, SM_MultiStochasticFunctionsInterface &multiStochasticFunctions, SM_StochasticOutput< StochOutputImplement > &stochasticOutput)
	compute the steppers number of system without stochastic output More...

tBoolean	stochasticJRun (const tIndex &steppersNumber, SM_StochasticFunctionsInterface &stochasticFunctions, const std::function< void(const tReal &, const tReal &, const tReal &, tReal &)> &F)
	compute the steppers number of system for reaching the relaxed state More...

template<class StochOutputImpl >
tBoolean	stochasticJRun (const tIndex &steppersNumber, SM_StochasticFunctionsInterface &stochasticFunctions, SM_StochasticOutput< StochOutputImpl > &stochasticOutput, const std::function< void(const tReal &, const tReal &, const tReal &, tReal &)> &F)
	compute the steppers number of system for reaching the relaxed state More...

virtual tBoolean	computeMagneticMomentDirectionsAtNextTimeStep (const tReal &dt, const tReal &epsilon_t, const SM_RealField &deltaSt, SM_RealField &St)=0
	compute direction of magnetic moments at next time More...

virtual tString	toString () const override
	turn the class into a string representation More...

Public Member Functions inherited from SM_System
void	setNetwork (CORE_UniquePointer< SM_Network > net)
	set the network More...

const SM_Network &	getNetwork () const
	get the network More...

SM_Network &	getNetwork ()
	get the network More...

tBoolean	hasNetwork () const
	return true if the system has a network More...

const SM_Material &	getMaterial () const
	get the material of the network More...

SM_Material &	getMaterial ()
	get the material of the network More...

void	setInitialMagneticMomentDirections (const std::valarray< tReal > &S0)
	set the initial unit direction of spins More...

void	setInitialMagneticMomentDirections (const SM_RealField &S0)
	set the initial unit direction of spins More...

void	setInitialMagneticMomentDirections (const tIndex &N, const std::array< tReal, SM_Constants::DIM > &S0)
	set the initial unit direction of spins More...

const SM_RealField &	getInitialMagneticMomentDirections () const
	get the initial unit direction of spins More...

SM_RealField &	getInitialMagneticMomentDirections ()
	get the initial unit direction of spins for writting More...

const SM_RealField &	getMagneticMomentDirections () const
	get the unit direction of spins at time More...

SM_RealField &	getMagneticMomentDirections ()
	get the unit direction of spins at time for writting More...

void	addOperator (CORE_UniquePointer< SM_Operator > op)
	add operator More...

const SM_SliceOperator *	getOperator (const tString &name) const
	get the operator with name More...

SM_SliceOperator *	getOperator (const tString &name)
	get the operator with name More...

void	copyOperators (const SM_System &system)
	copy the operator More...

const std::map< tString, CORE_UniquePointer< SM_Operator > > &	getOperators () const
	get the operators More...

std::map< tString, CORE_UniquePointer< SM_Operator > > &	getOperators ()
	get the operators More...

tIndex	getOperatorsNumber () const
	get the operators number More...

void	getOperatorsName (std::vector< tString > &names) const
	get the operator names More...

virtual void	setStochasticNoise (const tReal &eps)
	set the stochastic noise without dimension More...

const tReal &	getStochasticNoise () const
	get the stochastic noise without dimension More...

const tReal &	getNoiseTemperature () const
	get the noise temperature in Kelvin More...

const tIndex &	getStepIndex () const
	get the step index More...

tIndex &	getStepIndex ()
	get the step index More...

void	computeMagneticMomentDirectionsSumOverNetworks (const int &rootNetwork, std::array< tReal, SM_Constants::DIM > &sumS) const
	compute the sum over the domain of magnetic moment dierctions More...

void	computeMagneticMomentDirectionsMeanOverNetworks (const int &rootNetwork, std::array< tReal, SM_Constants::DIM > &meanS) const
	compute the mean over the domain of magneticmoment directions More...

void	computeMagneticMomentDirectionsSum (const tInteger &start, const tInteger &end, std::array< tReal, SM_Constants::DIM > &sumS) const
	compute the sum of magnetic moment directions over the network More...

void	updateOperatorsState (const tIndex &timeIndex, const SM_Network &network, const SM_Material &material, const SM_RealField &S)
	update the operators state before computeing magnetic field More...

void	computeMagneticField (const tIndex &timeIndex, const SM_Network &network, const SM_Material &material, const SM_RealField &S, SM_RealField &H) const
	compute the magnetic field at time step index t by calling the virtual method SM_Operator::computeMagneticField() More...

tReal	computeSpinEnergy (const tIndex &i, const SM_Network &network, const SM_Material &material, const SM_RealField &S) const
	compute the energy of the spin of the system More...

tReal	computeSpinEnergy (const tIndex &i, const tIndex &timeIndex, const SM_Network &network, const SM_Material &material, const SM_RealField &S) const
	compute the energy of the spin of the system More...

const tReal &	computeEnergies (std::valarray< tReal > &energies) const
	compute the energies per operators More...

const tReal &	computeEnergies (const tIndex &timeIndex, std::valarray< tReal > &energies) const
	compute the energies per operators More...

Public Member Functions inherited from SM_Object
	SM_Object (void)
	create

virtual	~SM_Object (void)
	destroy

Public Member Functions inherited from CORE_Object
template<class T >
std::shared_ptr< T >	getSharedPointer ()
	return the shared pointer for this More...

template<class T >
std::shared_ptr< const T >	getConstSharedPointer () const
	return a const shared pointer for this More...

template<class T >
tBoolean	isInstanceOf () const
	test if the clas T is an instance of this class More...

tString	getClassName () const
	return the name of the class More...

tString	getPointerString () const
	retrun the pointer of the class as a string More...

tString	getIdentityString () const
	retrun the string identification of the class More...

Static Public Member Functions
static void	ComputeMagneticMomentDirectionsAtNextTimeStep (const tIndex &nParticles, const SM_RealField &deltaS, const SM_RealField &S, SM_RealField &nextS)
	compute \( St:=St+deltaS \) More...

static void	ComputeMagneticMomentDirectionsAtNextTimeStep (const tIndex &nParticles, const SM_RealField &deltaSt, const tReal &alpha, const SM_RealField &S, SM_RealField &nextS)
	compute \( St:=St+deltaS \) More...

Static Public Member Functions inherited from SM_System
static void	ComputeFieldSum (const tInteger &start, const tInteger &end, const SM_RealField &F, std::array< tReal, SM_Constants::DIM > &sumF)
	compute the sum of F over the network More...

Static Public Member Functions inherited from CORE_Object
static tBoolean	EnableMemoryStack (const tBoolean &isMemoryChecked)
	enable the memory stack More...

static void	EnableMemoryStack ()
	enable the memory stack

static void	DisableMemoryStack ()
	disable the memory stack

static tBoolean	IsMemoryStackEnabled ()
	return trur if the memory stack is enabled

static tString	MemoryStackToString ()
	get the memory stack in string More...

static tIndex	GetRegisteredClassesNumber ()
	get the memory stack in string More...

Protected Member Functions
	SMOMPI_LandauLifschitzSystem (void)
	create a class

virtual	~SMOMPI_LandauLifschitzSystem (void)
	destroy the class

Protected Member Functions inherited from SM_LandauLifschitzSystem
	SM_LandauLifschitzSystem (void)
	create a class

virtual	~SM_LandauLifschitzSystem (void)
	destroy the class

tReal	computeNetSliceTorque (const tIndex &startS, const tIndex &endS, const tReal S, const tIndex &startH, const tReal H) const
	compute Net Torque \( \|S \wedge H \|_\infty \) for all particules in indices in [start,end[ More...

void	setIsBrownianNull (const tBoolean &v)
	set if the brownian variable is null More...

const tBoolean &	isBrownianNull () const
	get if the brownian variable is null

void	setIsRealBrownianVariable (const tBoolean &v)
	set if the brownian variable is a field or a real

const tBoolean &	isRealBrownianVariable () const
	get if the brownian variable is a field or a real

const SM_RealField &	getBrownianField () const
	get the generated brownian variable for reading More...

SM_RealField &	getBrownianField ()
	get the generated brownian variable for reading More...

void	setLandauLifschitzFunction (CORE_UniquePointer< SM_LandauLifschitzFunction > llF)
	set the landau lifschitz function

SM_RealField &	getMagneticField ()
	get the magnetic field for writting More...

SM_RealField &	getMagneticMomentDirectionsVariation ()
	get the variation of the direction of the magnetic moments for writting More...

void	computeVariationMagneticFieldSlice (const tIndex &start, const tIndex &end, const tReal &dt, tReal *H) const
	computes \( H:=H.dt \) for particle indices in [start,end[ More...

void	computeBrownianVariationMagneticFieldSlice (SM_StochasticFunctionsInterface &randF, const tIndex &start, const tIndex &end, const tReal &dt, const tReal &bdt, const tReal &epsilon, const tBoolean &incdWt, tReal dWt, tReal H)
	add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \) for particle indices in [start,end[ More...

template<class StochFImpl >
void	computeBrownianVariationMagneticFieldSliceWithSCStochasticFunctions (SM_StochasticFunctions< StochFImpl > &randF, tIndex start, tIndex end, const tReal &dt, const tReal &bdt, const tReal &epsilon, const tBoolean &incdWt, tReal dWt, tReal H)
	add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \) for particle indices in [start,end[ More...

Protected Member Functions inherited from SM_System
	SM_System (void)
	create a class

virtual	~SM_System (void)
	destroy the class

tReal	computeEnergy (const SM_Network &network, const SM_Material &material, const SM_RealField &S) const
	compute the energy of the system More...

tReal	computeEnergy (const tIndex &timeIndex, const SM_Network &network, const SM_Material &material, const SM_RealField &S) const
	compute the energy of the system More...

Protected Member Functions inherited from CORE_Object
	CORE_Object ()
	build an instance of the object

virtual	~CORE_Object ()
	destroy the instance of object std

Additional Inherited Members
Static Protected Member Functions inherited from SM_LandauLifschitzSystem
static void	ComputeMagneticMomentDirectionsSliceAtNextTimeStep (tIndex startS, tIndex endS, const tIndex &nDeltaS, const tReal deltaS, const tIndex &nS, const tReal S, tReal *nextS)
	compute \( nextS:=St+deltaS \) for all particle indices in [start,end[ More...

static void	ComputeMagneticMomentDirectionsSliceAtNextTimeStep (tIndex startS, tIndex endS, const tIndex &nDeltaS, const tReal deltaSt, const tReal &alpha, const tIndex &nS, const tReal S, tReal *nextS)
	compute \( nextSt = alpha.St+deltaS \) for all particle indices in [start,end[ More...

Detailed Description

This class describes an MPI implementation of SM_LandauLifschitzSystem.

Author: Stephane Despreaux

Version: 2.0

Member Function Documentation

◆ computeBrownianVariationMagneticField()

void SMOMPI_LandauLifschitzSystem::computeBrownianVariationMagneticField	(	SM_MultiStochasticFunctionsInterface &	stochFs,
		const tReal &	dt,
		const tReal &	bdt,
		const tReal &	epsilon,
		const tBoolean &	incdWt,
		tReal *	dWt,
		SM_RealField &	H
	)

finalvirtual

add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \)

Parameters

[in,out]	stochFs	: normal law
[in]	dt	: time step
[in]	bdt	: time step for brownain mvt
[in]	epsilon	: noise rate
[in]	incdWt	increment on dwt 0 for scalar 1 for field
[out]	dWt	brownian noise computed
[in,out]	H	: magnetic field

Implements SM_LandauLifschitzSystem.

◆ computeBrownianVariationMagneticFieldWithSCStochasticFunctions()

template<class StochFImpl >

void SMOMPI_LandauLifschitzSystem::computeBrownianVariationMagneticFieldWithSCStochasticFunctions	(	SM_MultiStochasticFunctions< StochFImpl > &	stochFs,
		const tReal &	dt,
		const tReal &	bdt,
		const tReal &	epsilon,
		const tBoolean &	incdWt,
		tReal *	dWt,
		SM_RealField &	H
	)

add stochastic brownian field \( H:=dt.H+ sdt.\varepsilon.N(0,1) \)

Template Parameters

StochFImpl : implemented class SM_StochasticFunctions

Parameters

[in,out]	stochFs	: normal law
[in]	dt	: time step
[in]	bdt	: time step for brownain mvt
[in]	epsilon	: noise rate
[in]	incdWt	increment on dwt 0 for scalar 1 for field
[out]	dWt	brownian noise computed
[in,out]	H	: magnetic field

◆ ComputeMagneticMomentDirectionsAtNextTimeStep() [1/2]

void SMOMPI_LandauLifschitzSystem::ComputeMagneticMomentDirectionsAtNextTimeStep	(	const tIndex &	nParticles,
		const SM_RealField &	deltaS,
		const SM_RealField &	S,
		SM_RealField &	nextS
	)

static

compute \( St:=St+deltaS \)

Parameters

[in]	nParticles	: number of particles of the system (holes particles not considered
[in]	deltaS	: variation of S
[in]	S	value at S at t
[out]	nextS	value of S at t+dt : \( Y_t:=S+\Delta S \) and \( nextS(p)=Y_t(p) / \|Y_t(p)\| \)

◆ ComputeMagneticMomentDirectionsAtNextTimeStep() [2/2]

void SMOMPI_LandauLifschitzSystem::ComputeMagneticMomentDirectionsAtNextTimeStep	(	const tIndex &	nParticles,
		const SM_RealField &	deltaSt,
		const tReal &	alpha,
		const SM_RealField &	S,
		SM_RealField &	nextS
	)

static

compute \( St:=St+deltaS \)

Parameters

[in]	nParticles	: number of particles of the system (holes particles not considered
[in]	deltaSt	: variation of S
[in]	alpha	: factor of S
[in]	S	value at S at t
[out]	nextS	value of S at t+dt : \( Y_t:=alpha.S+\Delta S \) and \( nextS(p)=Y_t(p) / \|Y_t(p)\| \)

◆ computeNetTorque()

tReal SMOMPI_LandauLifschitzSystem::computeNetTorque	(	const tIndex &	nSParticles,
		const tReal *	S,
		const tIndex &	nHParticles,
		const tReal *	H
	)		const

finalvirtual

compute Net Torque \( |S \wedge H |_\infty \)

Parameters

[in]	nSParticles	number of particles of S
[in]	S	: direction of magnetic moments of all particles
[in]	nHParticles	number of particles of H
[in]	H	: magnetic field at all particles

Implements SM_LandauLifschitzSystem.

◆ computeVariationMagneticField()

void SMOMPI_LandauLifschitzSystem::computeVariationMagneticField	(	const tReal &	dt,
		SM_RealField &	H
	)		const

finalvirtual

computes \( H:=H.dt \)

Parameters

[in]	dt	: time step
[in,out]	H	: magnetic field

Implements SM_LandauLifschitzSystem.

◆ getContentsMemorySize()

virtual tMemSize SMOMPI_LandauLifschitzSystem::getContentsMemorySize ( ) const

inlinevirtual

return the memory size of the included associations

Returns: the memory size of the storage in bytes 1 Kb = 1024 bytes 1 Mb = 1024 Kb 1 Gb = 1024 Mb 1 Tb = 1024 Gb 1 Hb = 1024 Tb

Reimplemented from SM_LandauLifschitzSystem.

Reimplemented in SMOMPI_HeunSystem.

◆ getMemorySize()

virtual tMemSize SMOMPI_LandauLifschitzSystem::getMemorySize ( ) const

inlinevirtual

return the memory size of the class and the memory size of all its attributes/associations

Returns

the memory size of the class and the memory size of its attributes/associations in bytes The mamory size is :

the added size of the base classes which contains:
- the primary attributes size depends on the order: (first delare the smallest attributes size
- all virtual functions costs <pointer-size> (4 32xor 8 64x) bytes by virtual function
- virtual inherihtance will increase of (4 or 8) bytes
we add the size of the contains values of the attributes : for example the size of a string is the length of the string 1 octet = 1 byte 1 Ko = 1024 bytes 1 Mo = 1024 Ko 1 Go = 1024 Mo

Reimplemented from SM_LandauLifschitzSystem.

Reimplemented in SMOMPI_StratonovichSystem, SMOMPI_StratonovichNormalizedSystem, SMOMPI_ItoSystem, and SMOMPI_HeunSystem.

◆ initializeMagneticMomentDirections()

tBoolean SMOMPI_LandauLifschitzSystem::initializeMagneticMomentDirections ( )

finalvirtual

initialize magnetic moments direction

step index reset to 0
S(t=0)=S_{init}

Reimplemented from SM_LandauLifschitzSystem.

◆ stochasticRunWithSCStochasticFunctions() [1/2]

template<class StochFImplement , class NoiseFImplement >

tBoolean SMOMPI_LandauLifschitzSystem::stochasticRunWithSCStochasticFunctions	(	const tIndex &	steppersNumber,
		SM_MultiStochasticFunctions< StochFImplement > &	stochasticFunctions,
		const SM_NoiseRateFunction< NoiseFImplement > &	noiseRateFunction
	)

compute the relaxation process by calling only virtual methods

Template Parameters

StochFImplement	: implemented class SM_StochasticFunctions
NoiseImplement	: implemented class SM_NoiseRateFunction

Parameters

[in]	steppersNumber	number of steppers to run
[in,out]	stochasticFunctions	: stochastic functions to generate random numbers
[in]	noiseRateFunction	noise rate function

◆ stochasticRunWithSCStochasticFunctions() [2/2]

template<class StochFImplement , class NoiseImplement , class StochOutputImplement >

tBoolean SMOMPI_LandauLifschitzSystem::stochasticRunWithSCStochasticFunctions	(	const tIndex &	steppersNumber,
		SM_MultiStochasticFunctions< StochFImplement > &	stochasticFunctions,
		const SM_NoiseRateFunction< NoiseImplement > &	noiseRateFunction,
		SM_StochasticOutput< StochOutputImplement > &	stochasticOutput
	)

compute the relaxation process by calling only virtual methods

Template Parameters

StochFunctionsImplement	: implemented class SM_StochasticFunctions
NoiseImplement	: implemented class SM_NoiseRateFunction
StochOutputImplement	: implemented class SM_StochasticOutput

Parameters

[in]	steppersNumber	number of steppers to run
[in,out]	stochasticFunctions	stochastic functions to generate random numbers
[in]	noiseRateFunction	noise rate function
[in,out]	stochasticOutput	stochastic data to compute

◆ sumOverNetworks()

void SMOMPI_LandauLifschitzSystem::sumOverNetworks	(	const int &	rootNetwork,
		tIndex &	n,
		const tIndex &	nValues,
		tReal *	values
	)		const

finalvirtual

sum the values of all network

Parameters

[in]	rootNetwork	: index of the main network to store the results
[in,out]	n	number of elements used for computing each element of values at input : per network , at output : for all networks
[in]	nValues	number of elements of values
[in,out]	values	values computed at input : per network, at output: for all networks

if root network is

>=0:
- n :
  - in input : a value per core ,
  - in output :the sum of n per core stored in rootNetwork core
- values:
  - in input : a lits of values
  - in output : the sum of each values per core stored in rootNetwork core
'-1'
- n :
  - in input : a value per core ,
  - in output :the sum of n per core stored in all cores
- values:
  - in input : a lits of values
  - in output : the sum of each values per core stored in all cores

Reimplemented from SM_System.

◆ updateInitialMagneticMomentDirections()

tBoolean SMOMPI_LandauLifschitzSystem::updateInitialMagneticMomentDirections ( const SM_RealField & S0 )

finalvirtual

update the initial unit direction of spins

Parameters

[in] S0 initial dierction of spins as an unit vector

Returns: true is initial magnetic moment direction is set to S0 only if they have the same size

Reimplemented from SM_LandauLifschitzSystem.

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

/home/despreau/Developpement/CPP/devcpp20/include/stochmagnet/landauLifschitz/mpi/SMOMPI_LandauLifschitzSystem.h
/home/despreau/Developpement/CPP/devcpp20/include/stochmagnet/landauLifschitz/mpi/SMOMPI_LandauLifschitzSystem.hpp
/home/despreau/Developpement/CPP/devcpp20/src/stochmagnet/landauLifschitz/mpi/SMOMPI_LandauLifschitzSystem.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ computeBrownianVariationMagneticField()

◆ computeBrownianVariationMagneticFieldWithSCStochasticFunctions()

◆ ComputeMagneticMomentDirectionsAtNextTimeStep() [1/2]

◆ ComputeMagneticMomentDirectionsAtNextTimeStep() [2/2]

◆ computeNetTorque()

◆ computeVariationMagneticField()

◆ getContentsMemorySize()

◆ getMemorySize()

◆ initializeMagneticMomentDirections()

◆ stochasticRunWithSCStochasticFunctions() [1/2]

◆ stochasticRunWithSCStochasticFunctions() [2/2]

◆ sumOverNetworks()

◆ updateInitialMagneticMomentDirections()