eigensolve Module Reference

Public Member Functions
subroutine	checkresiduals (Matrix, n, Eigs, EigVectors)
subroutine	arpackstabeigensolve (Solver, Matrix, N, NEIG, EigValues, EigVectors)
subroutine	arpackeigensolvecomplex (Solver, Matrix, N, NEIG, EigValues, EigVectors)
subroutine	arpackdampedeigensolve (Solver, KMatrix, N, NEIG, EigValues, EigVectors)
subroutine	eigenbicg (n, KMatrix, MMatrix, BMatrix, x, b, Rounds, TOL, UseI, IScale)
real(kind=dp) function	eigenmgdot (n, x, y)
subroutine	eigenmgmv1 (n, KMatrix, MMatrix, BMatrix, x, b, UseI, IScale)
subroutine	eigenmgmv2 (n, MMatrix, x, b, UseI, IScale)
subroutine	arpackeigensolve (Solver, Matrix, N, NEIG, EigValues, EigVectors)

Member Function/Subroutine Documentation

subroutine eigensolve::arpackdampedeigensolve	(	type(solver_t), target	Solver,
		type(matrix_t), pointer	KMatrix,
		integer	N,
		integer	NEIG,
		complex(kind=dp), dimension(:)	EigValues,
		complex(kind=dp), dimension(:,:)	EigVectors
	)

Parameters

kmatrix

Solution of Eigen value problems using ARPACK library, damped version.

References generalutils::allocatematrix(), crsmatrix::crs_incompletelu(), eigenbicg(), eigenmgmv2(), messages::error(), messages::fatal(), elementutils::freematrix(), messages::info(), lists::listaddlogical(), lists::listgetconstreal(), lists::listgetinteger(), lists::listgetlogical(), lists::listgetstring(), solver(), generalutils::sortc(), and messages::warn().

Referenced by arpackeigensolve().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::arpackeigensolve	(	type(solver_t), target	Solver,
		type(matrix_t), pointer	Matrix,
		integer	N,
		integer	NEIG,
		complex(kind=dp), dimension(:)	EigValues,
		complex(kind=dp), dimension(:,:)	EigVectors
	)

Solution of Eigen value problems using ARPACK library.

References arpackdampedeigensolve(), arpackstabeigensolve(), blocksolveext(), checkresiduals(), crsmatrix::crs_ilut(), crsmatrix::crs_matrixvectormultiply(), directsolve::directsolver(), messages::fatal(), messages::info(), itersolve::itersolver(), lists::listaddlogical(), lists::listgetconstreal(), lists::listgetinteger(), lists::listgetlogical(), lists::listgetstring(), lists::listremove(), multigrid::multigridsolve(), solver(), and generalutils::sortc().

Referenced by fetisolve::fetifloatingdomain(), and solverutils::solveeigensystem().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::arpackeigensolvecomplex	(	type(solver_t), target	Solver,
		type(matrix_t), pointer	Matrix,
		integer	N,
		integer	NEIG,
		complex(kind=dp), dimension(:)	EigValues,
		complex(kind=dp), dimension(:,:)	EigVectors
	)

Parameters

matrix

Solution of Eigen value problems using ARPACK library, complex valued version.

References crsmatrix::crs_complexilut(), crsmatrix::crs_complexlusolve(), crsmatrix::crs_complexmatrixvectormultiply(), messages::fatal(), messages::info(), itersolve::itersolver(), lists::listaddlogical(), lists::listgetconstreal(), lists::listgetinteger(), lists::listgetlogical(), lists::listgetstring(), multigrid::multigridsolve(), solver(), and generalutils::sortc().

Referenced by solverutils::solveeigensystem().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::arpackstabeigensolve	(	type(solver_t), target	Solver,
		type(matrix_t), pointer	Matrix,
		integer	N,
		integer	NEIG,
		complex(kind=dp), dimension(:)	EigValues,
		complex(kind=dp), dimension(:,:)	EigVectors
	)

Solution of Eigen value problems using ARPACK library, stabilized version.

References crsmatrix::crs_ilut(), crsmatrix::crs_matrixvectormultiply(), directsolve::directsolver(), messages::error(), messages::fatal(), messages::info(), itersolve::itersolver(), lists::listaddlogical(), lists::listgetconstreal(), lists::listgetinteger(), lists::listgetlogical(), lists::listgetstring(), lists::listremove(), multigrid::multigridsolve(), solver(), and generalutils::sortc().

Referenced by arpackeigensolve().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::checkresiduals	(	type(matrix_t), pointer	Matrix,
		integer	n,
		complex(kind=dp), dimension(:)	Eigs,
		complex(kind=dp), dimension(:,:)	EigVectors
	)

References crsmatrix::crs_matrixvectormultiply(), and messages::info().

Referenced by arpackeigensolve().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::eigenbicg	(	integer	n,
		type(matrix_t), pointer	KMatrix,
		type(matrix_t), pointer	MMatrix,
		type(matrix_t), pointer	BMatrix,
		real(kind=dp), dimension(:)	x,
		real(kind=dp), dimension(:)	b,
		integer	Rounds,
		real(kind=dp)	TOL,
		logical	UseI,
		real(kind=dp)	IScale
	)

References crsmatrix::crs_lusolve(), eigenmgdot(), eigenmgmv1(), messages::fatal(), and messages::info().

Referenced by arpackdampedeigensolve().

Here is the call graph for this function:

Here is the caller graph for this function:

real(kind=dp) function eigensolve::eigenmgdot	(	integer	n,
		real(kind=dp), dimension(:)	x,
		real(kind=dp), dimension(:)	y
	)

Referenced by eigenbicg().

Here is the caller graph for this function:

subroutine eigensolve::eigenmgmv1	(	integer	n,
		type(matrix_t), pointer	KMatrix,
		type(matrix_t), pointer	MMatrix,
		type(matrix_t), pointer	BMatrix,
		real(kind=dp), dimension(:)	x,
		real(kind=dp), dimension(:)	b,
		logical	UseI,
		real(kind=dp)	IScale
	)

References crsmatrix::crs_matrixvectormultiply().

Referenced by eigenbicg().

Here is the call graph for this function:

Here is the caller graph for this function:

subroutine eigensolve::eigenmgmv2	(	integer	n,
		type(matrix_t), pointer	MMatrix,
		real(kind=dp), dimension(:)	x,
		real(kind=dp), dimension(:)	b,
		logical	UseI,
		real(kind=dp)	IScale
	)

References crsmatrix::crs_matrixvectormultiply().

Referenced by arpackdampedeigensolve().

Here is the call graph for this function:

Here is the caller graph for this function:

---

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

• EigenSolve.src