ELPA_Solver Class Reference

#include <elpa_solver.h>

Collaboration diagram for ELPA_Solver:

Public Member Functions
	ELPA_Solver (const bool isReal, const MPI_Comm comm, const int nev, const int narows, const int nacols, const int *desc, const bool reuse_handle_0=true)
	ELPA_Solver (const bool isReal, const MPI_Comm comm, const int nev, const int narows, const int nacols, const int *desc, const int *otherParameter)
int	eigenvector (double *A, double *EigenValue, double *EigenVector)
int	generalized_eigenvector (double *A, double *B, int &DecomposedState, double *EigenValue, double *EigenVector)
int	eigenvector (std::complex< double > *A, double *EigenValue, std::complex< double > *EigenVector)
int	generalized_eigenvector (std::complex< double > *A, std::complex< double > *B, int &DecomposedState, double *EigenValue, std::complex< double > *EigenVector)
void	setLoglevel (int loglevel)
void	setKernel (bool isReal, int Kernel)
void	setQR (int useQR)
void	outputParameters ()
void	verify (double *A, double *EigenValue, double *EigenVector, double &maxRemain, double &meanRemain)
void	verify (double *A, double *B, double *EigenValue, double *EigenVector, double &maxRemain, double &meanRemain)
void	verify (std::complex< double > *A, double *EigenValue, std::complex< double > *EigenVector, double &maxError, double &meanError)
void	verify (std::complex< double > *A, std::complex< double > *B, double *EigenValue, std::complex< double > *EigenVector, double &maxError, double &meanError)
void	exit ()

Private Member Functions
int	read_cpuflag ()
int	read_real_kernel ()
int	read_complex_kernel ()
int	allocate_work ()
int	decomposeRightMatrix (double *B, double *EigenValue, double *EigenVector, int &DecomposedState)
int	decomposeRightMatrix (std::complex< double > *B, double *EigenValue, std::complex< double > *EigenVector, int &DecomposedState)
int	composeEigenVector (int DecomposedState, double *B, double *EigenVector)
int	composeEigenVector (int DecomposedState, std::complex< double > *B, std::complex< double > *EigenVector)
void	timer (int myid, const char function[], const char step[], double &t0)

Private Attributes
const int	CHOLESKY_CRITICAL_SIZE = 1000
bool	isReal
MPI_Comm	comm
int	nFull
int	nev
int	narows
int	nacols
int	desc [9]
int	method
int	kernel_id
int	cblacs_ctxt
int	nblk
int	lda
std::vector< double >	dwork
std::vector< std::complex< double > >	zwork
int	myid
int	nprows
int	npcols
int	myprow
int	mypcol
int	useQR
int	wantDebug
int	loglevel
std::ofstream	logfile
int	comm_f
int	mpi_comm_rows
int	mpi_comm_cols
int	handle_id

Constructor & Destructor Documentation

ELPA_Solver() [1/2]

ELPA_Solver::ELPA_Solver	(	const bool	isReal,
		const MPI_Comm	comm,
		const int	nev,
		const int	narows,
		const int	nacols,
		const int *	desc,
		const bool	reuse_handle_0 = true
	)

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ELPA_Solver() [2/2]

ELPA_Solver::ELPA_Solver	(	const bool	isReal,
		const MPI_Comm	comm,
		const int	nev,
		const int	narows,
		const int	nacols,
		const int *	desc,
		const int *	otherParameter
	)

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Member Function Documentation

allocate_work()

int ELPA_Solver::allocate_work ( )

private

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composeEigenVector() [1/2]

int ELPA_Solver::composeEigenVector ( int  DecomposedState, double *  B, double *  EigenVector  )

private

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composeEigenVector() [2/2]

int ELPA_Solver::composeEigenVector ( int  DecomposedState, std::complex< double > *  B, std::complex< double > *  EigenVector  )

private

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decomposeRightMatrix() [1/2]

int ELPA_Solver::decomposeRightMatrix ( double *  B, double *  EigenValue, double *  EigenVector, int &  DecomposedState  )

private

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decomposeRightMatrix() [2/2]

int ELPA_Solver::decomposeRightMatrix ( std::complex< double > *  B, double *  EigenValue, std::complex< double > *  EigenVector, int &  DecomposedState  )

private

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eigenvector() [1/2]

int ELPA_Solver::eigenvector	(	double *	A,
		double *	EigenValue,
		double *	EigenVector
	)

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eigenvector() [2/2]

int ELPA_Solver::eigenvector	(	std::complex< double > *	A,
		double *	EigenValue,
		std::complex< double > *	EigenVector
	)

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exit()

void ELPA_Solver::exit

(

)

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generalized_eigenvector() [1/2]

int ELPA_Solver::generalized_eigenvector	(	double *	A,
		double *	B,
		int &	DecomposedState,
		double *	EigenValue,
		double *	EigenVector
	)

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generalized_eigenvector() [2/2]

int ELPA_Solver::generalized_eigenvector	(	std::complex< double > *	A,
		std::complex< double > *	B,
		int &	DecomposedState,
		double *	EigenValue,
		std::complex< double > *	EigenVector
	)

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outputParameters()

void ELPA_Solver::outputParameters

(

)

read_complex_kernel()

int ELPA_Solver::read_complex_kernel ( )

private

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read_cpuflag()

int ELPA_Solver::read_cpuflag ( )

private

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read_real_kernel()

int ELPA_Solver::read_real_kernel ( )

private

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setKernel()

void ELPA_Solver::setKernel	(	bool	isReal,
		int	Kernel
	)

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setLoglevel()

void ELPA_Solver::setLoglevel

(

int

loglevel

)

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setQR()

void ELPA_Solver::setQR

(

int

useQR

)

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timer()

void ELPA_Solver::timer ( int  myid, const char  function[], const char  step[], double &  t0  )

private

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verify() [1/4]

void ELPA_Solver::verify	(	double *	A,
		double *	B,
		double *	EigenValue,
		double *	EigenVector,
		double &	maxRemain,
		double &	meanRemain
	)

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verify() [2/4]

void ELPA_Solver::verify	(	double *	A,
		double *	EigenValue,
		double *	EigenVector,
		double &	maxRemain,
		double &	meanRemain
	)

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verify() [3/4]

void ELPA_Solver::verify	(	std::complex< double > *	A,
		double *	EigenValue,
		std::complex< double > *	EigenVector,
		double &	maxError,
		double &	meanError
	)

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verify() [4/4]

void ELPA_Solver::verify	(	std::complex< double > *	A,
		std::complex< double > *	B,
		double *	EigenValue,
		std::complex< double > *	EigenVector,
		double &	maxError,
		double &	meanError
	)

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Member Data Documentation

cblacs_ctxt

int ELPA_Solver::cblacs_ctxt

private

CHOLESKY_CRITICAL_SIZE

const int ELPA_Solver::CHOLESKY_CRITICAL_SIZE = 1000

private

comm

MPI_Comm ELPA_Solver::comm

private

comm_f

int ELPA_Solver::comm_f

private

desc

int ELPA_Solver::desc[9]

private

dwork

std::vector<double> ELPA_Solver::dwork

private

handle_id

int ELPA_Solver::handle_id

private

isReal

bool ELPA_Solver::isReal

private

kernel_id

int ELPA_Solver::kernel_id

private

lda

int ELPA_Solver::lda

private

logfile

std::ofstream ELPA_Solver::logfile

private

loglevel

int ELPA_Solver::loglevel

private

method

int ELPA_Solver::method

private

mpi_comm_cols

int ELPA_Solver::mpi_comm_cols

private

mpi_comm_rows

int ELPA_Solver::mpi_comm_rows

private

myid

int ELPA_Solver::myid

private

mypcol

int ELPA_Solver::mypcol

private

myprow

int ELPA_Solver::myprow

private

nacols

int ELPA_Solver::nacols

private

narows

int ELPA_Solver::narows

private

nblk

int ELPA_Solver::nblk

private

nev

int ELPA_Solver::nev

private

nFull

int ELPA_Solver::nFull

private

npcols

int ELPA_Solver::npcols

private

nprows

int ELPA_Solver::nprows

private

useQR

int ELPA_Solver::useQR

private

wantDebug

int ELPA_Solver::wantDebug

private

zwork

std::vector<std::complex<double> > ELPA_Solver::zwork

private

---

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

• /home/runner/work/abacus-develop/abacus-develop/source/source_hsolver/module_genelpa/elpa_solver.h
• /home/runner/work/abacus-develop/abacus-develop/source/source_hsolver/module_genelpa/elpa_new.cpp
• /home/runner/work/abacus-develop/abacus-develop/source/source_hsolver/module_genelpa/elpa_new_complex.cpp
• /home/runner/work/abacus-develop/abacus-develop/source/source_hsolver/module_genelpa/elpa_new_real.cpp