quda::Lanczos Class Reference

#include <lanczos_quda.h>

Inheritance diagram for quda::Lanczos:

Collaboration diagram for quda::Lanczos:

Public Member Functions
	Lanczos (RitzMat &ritz_mat, QudaEigParam &eigParam, TimeProfile &profile)
virtual	~Lanczos ()
void	operator() (double *alpha, double *beta, cudaColorSpinorField **Eig_Vec, cudaColorSpinorField &r, cudaColorSpinorField &Apsi, int k0, int m)
Public Member Functions inherited from quda::Eig_Solver
	Eig_Solver (QudaEigParam &eigParam, TimeProfile &profile)
virtual	~Eig_Solver ()
bool	convergence (const double &r2, const double &hq2, const double &r2_tol, const double &hq_tol)
void	PrintStats (const char *, int k, const double &r2, const double &b2, const double &hq2)
void	PrintSummary (const char *name, int k, const double &r2, const double &b2)
void	GrandSchm_test (cudaColorSpinorField &psi, cudaColorSpinorField **Eig_Vec, int Nvec, double *delta)

Private Attributes
const RitzMat &	ritz_mat

Additional Inherited Members
Static Public Member Functions inherited from quda::Eig_Solver
static Eig_Solver *	create (QudaEigParam &param, RitzMat &ritz_mat, TimeProfile &profile)
Protected Attributes inherited from quda::Eig_Solver
QudaEigParam &	eigParam
TimeProfile &	profile

Detailed Description

Basic Lanczos algorithm

Definition at line 60 of file lanczos_quda.h.

Constructor & Destructor Documentation

Lanczos()

quda::Lanczos::Lanczos	(	RitzMat &	ritz_mat,
		QudaEigParam &	eigParam,
		TimeProfile &	profile
	)

Definition at line 18 of file eig_lanczos_quda.cpp.

~Lanczos()

quda::Lanczos::~Lanczos ( )

virtual

Definition at line 24 of file eig_lanczos_quda.cpp.

Member Function Documentation

operator()()

void quda::Lanczos::operator() ( double *  alpha, double *  beta, cudaColorSpinorField **  Eig_Vec, cudaColorSpinorField &  r, cudaColorSpinorField &  Apsi, int  k0, int  m  )

virtual

Implements quda::Eig_Solver.

Definition at line 29 of file eig_lanczos_quda.cpp.

References quda::axpy(), quda::Eig_Solver::GrandSchm_test(), quda::norm2(), printfQuda, quda::Eig_Solver::profile, quda::QUDA_PROFILE_COMPUTE, quda::blas::reDotProduct(), ritz_mat, quda::sqrt(), and quda::zero().

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Member Data Documentation

ritz_mat

const RitzMat& quda::Lanczos::ritz_mat

private

Definition at line 63 of file lanczos_quda.h.

Referenced by operator()().

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

• include/lanczos_quda.h
• lib/eig_lanczos_quda.cpp