dftfe::dealiiLinearSolverProblem Class Reference

Abstract class for linear solve problems to be used with the dealiiLinearSolver interface. More...

#include <dealiiLinearSolverProblem.h>

Inheritance diagram for dftfe::dealiiLinearSolverProblem:

Public Types
typedef dealii::types::global_dof_index	size_type
	typedef declaration needed by dealii

Public Member Functions
	dealiiLinearSolverProblem ()
	Constructor.
virtual distributedCPUVec< double > &	getX ()=0
	get the reference to x field
virtual void	vmult (distributedCPUVec< double > &Ax, distributedCPUVec< double > &x)=0
	Compute A matrix multipled by x.
virtual void	computeRhs (distributedCPUVec< double > &rhs)=0
	Compute right hand side vector for the problem Ax = rhs.
virtual void	precondition_Jacobi (distributedCPUVec< double > &dst, const distributedCPUVec< double > &src, const double omega) const =0
	Jacobi preconditioning function.
virtual void	distributeX ()=0
	distribute x to the constrained nodes.
virtual void	subscribe (std::atomic< bool > *const validity, const std::string &identifier="") const =0
virtual void	unsubscribe (std::atomic< bool > *const validity, const std::string &identifier="") const =0
virtual bool	operator!= (double val) const =0
	function needed by dealii to mimic SparseMatrix

Detailed Description

Abstract class for linear solve problems to be used with the dealiiLinearSolver interface.

Author

Sambit Das

Member Typedef Documentation

size_type

typedef dealii::types::global_dof_index dftfe::dealiiLinearSolverProblem::size_type

typedef declaration needed by dealii

Constructor & Destructor Documentation

dealiiLinearSolverProblem()

dftfe::dealiiLinearSolverProblem::dealiiLinearSolverProblem

(

)

Constructor.

Member Function Documentation

computeRhs()

virtual void dftfe::dealiiLinearSolverProblem::computeRhs ( distributedCPUVec< double > & rhs )

pure virtual

Compute right hand side vector for the problem Ax = rhs.

Parameters

rhs	vector for the right hand side values

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

distributeX()

virtual void dftfe::dealiiLinearSolverProblem::distributeX ( )

pure virtual

distribute x to the constrained nodes.

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

getX()

virtual distributedCPUVec< double > & dftfe::dealiiLinearSolverProblem::getX ( )

pure virtual

get the reference to x field

Returns

reference to x field. Assumes x field data structure is already initialized

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

operator!=()

virtual bool dftfe::dealiiLinearSolverProblem::operator!= ( double val ) const

pure virtual

function needed by dealii to mimic SparseMatrix

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

precondition_Jacobi()

virtual void dftfe::dealiiLinearSolverProblem::precondition_Jacobi ( distributedCPUVec< double > & dst, const distributedCPUVec< double > & src, const double omega ) const

pure virtual

Jacobi preconditioning function.

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

subscribe()

virtual void dftfe::dealiiLinearSolverProblem::subscribe ( std::atomic< bool > *const validity, const std::string & identifier = "" ) const

pure virtual

function needed by dealii to mimic SparseMatrix for Jacobi preconditioning

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

unsubscribe()

virtual void dftfe::dealiiLinearSolverProblem::unsubscribe ( std::atomic< bool > *const validity, const std::string & identifier = "" ) const

pure virtual

function needed by dealii to mimic SparseMatrix for Jacobi preconditioning

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

vmult()

virtual void dftfe::dealiiLinearSolverProblem::vmult ( distributedCPUVec< double > & Ax, distributedCPUVec< double > & x )

pure virtual

Compute A matrix multipled by x.

Implemented in dftfe::kerkerSolverProblem< FEOrderElectro >, and dftfe::poissonSolverProblem< FEOrder, FEOrderElectro >.

---

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

• workspace/include/dealiiLinearSolverProblem.h