directsolve Module Reference

Public Member Functions
subroutine	complexbandsolver (A, x, b, Free_fact)
subroutine	cholmod_solvesystem (Solver, A, x, b, Free_fact)
subroutine	pardiso_solvesystem (Solver, A, x, b, Free_fact)
subroutine	directsolver (A, x, b, Solver, Free_Fact)
subroutine	bandsolver (A, x, b, Free_Fact)
subroutine	umfpack_solvesystem (Solver, A, x, b, Free_Fact)
subroutine	spqr_solvesystem (Solver, A, x, b, Free_fact)
subroutine	mumps_solvesystem (Solver, A, x, b, Free_Fact)
subroutine	mumpslocal_solvesystem (Solver, A, x, b, Free_Fact)
subroutine	mumpslocal_factorize (Solver, A)
subroutine	mumpslocal_solvenullspace (Solver, A, z, nz)
subroutine	mumpslocal_free (A)
subroutine	superlu_solvesystem (Solver, A, x, b, Free_Fact)

Member Function/Subroutine Documentation

subroutine directsolve::bandsolver	(	type(matrix_t)	A,
		real(kind=dp), dimension(*)	x,
		real(kind=dp), dimension(*)	b,
		logical, optional	Free_Fact
	)

Solver the real linear system using direct band matrix solver from of Lapack.

References messages::fatal(), solvebandlapack(), and solvesbandlapack().

Referenced by directsolver().

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subroutine directsolve::cholmod_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*)	x,
		real(kind=dp), dimension(*)	b,
		logical, optional	Free_fact
	)

Solves a linear system using Cholmod multifrontal direct solver courtesy of University of Florida.

References messages::fatal(), lists::listgetlogical(), and solver().

Referenced by directsolver().

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subroutine directsolve::complexbandsolver	(	type(matrix_t)	A,
		real(kind=dp), dimension(*)	x,
		real(kind=dp), dimension(*)	b,
		logical, optional	Free_fact
	)

Solver the complex linear system using direct band matrix solver from of Lapack.

References messages::fatal(), solvecomplexbandlapack(), and solvecomplexsbandlapack().

Referenced by directsolver().

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subroutine directsolve::directsolver	(	type(matrix_t)	A,
		real(kind=dp), dimension(*)	x,
		real(kind=dp), dimension(*)	b,
		type(solver_t)	Solver,
		logical, optional	Free_Fact
	)

References bandsolver(), cholmod_solvesystem(), complexbandsolver(), messages::fatal(), lists::listgetstring(), mumps_solvesystem(), mumpslocal_solvesystem(), pardiso_solvesystem(), solver(), spqr_solvesystem(), superlu_solvesystem(), and umfpack_solvesystem().

Referenced by multigrid::amgsolve(), eigensolve::arpackeigensolve(), eigensolve::arpackstabeigensolve(), multigrid::cmgsolve(), direct1dsmoother(), fetisolve::feti(), fetisolve::fetidirectsolver(), fetisolve::fetifloatingdomain(), fetisolve::fetiproject(), elementutils::freematrix(), multigrid::gmgsolve(), paralleleigensolve::parallelarpackeigensolve(), multigrid::pmgsolve(), radiationfactors(), and solverutils::solvelinearsystem().

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subroutine directsolve::mumps_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*), target	x,
		real(kind=dp), dimension(*), target	b,
		logical, optional	Free_Fact
	)

Solves a linear system using MUMPS direct solver. This is a legacy solver with complicated dependencies. This is only available in parallel.

References sparitersolve::continuousnumbering(), messages::fatal(), lists::listgetinteger(), lists::listgetlogical(), and solver().

Referenced by directsolver().

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subroutine directsolve::mumpslocal_factorize	(	type(solver_t)	Solver,
		type(matrix_t)	A
	)

Factorize local matrix with Mumps.

References messages::fatal(), lists::listgetinteger(), lists::listgetlogical(), mumpslocal_free(), and solver().

Referenced by mumpslocal_solvenullspace(), and mumpslocal_solvesystem().

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subroutine directsolve::mumpslocal_free

(

type(matrix_t)

A)

Free local Mumps variables and solver internal allocations.

References messages::fatal().

Referenced by mumpslocal_factorize(), mumpslocal_solvenullspace(), and mumpslocal_solvesystem().

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subroutine directsolve::mumpslocal_solvenullspace	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(:,:), allocatable, target	z,
		integer	nz
	)

Solve local nullspace using MUMPS direct solver. On exit, z will be allocated and will hold the jth local nullspace vectors as z(j,:).

References messages::fatal(), lists::listgetlogical(), mumpslocal_factorize(), mumpslocal_free(), and solver().

Referenced by fetisolve::feti().

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subroutine directsolve::mumpslocal_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*), target	x,
		real(kind=dp), dimension(*), target	b,
		logical, optional	Free_Fact
	)

Solves local linear system using MUMPS direct solver. If the solved system is singular, optionally one possible solution is returned.

References messages::fatal(), lists::listgetlogical(), mumpslocal_factorize(), mumpslocal_free(), and solver().

Referenced by directsolver().

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subroutine directsolve::pardiso_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*), target	x,
		real(kind=dp), dimension(*), target	b,
		logical, optional	Free_fact
	)

Solves a linear system using Pardiso direct solver (from either MKL or official Pardiso distribution. If possible, MKL-version is used).

References messages::fatal(), lists::listgetlogical(), and solver().

Referenced by directsolver().

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subroutine directsolve::spqr_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*)	x,
		real(kind=dp), dimension(*)	b,
		logical, optional	Free_fact
	)

Solves a linear system using SuiteSparseQR multifrontal direct solver courtesy of University of Florida.

References messages::fatal(), lists::listgetlogical(), and solver().

Referenced by directsolver().

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subroutine directsolve::superlu_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*), target	x,
		real(kind=dp), dimension(*), target	b,
		logical, optional	Free_Fact
	)

Solves a linear system using SuperLU direct solver.

References lists::listgetinteger(), lists::listgetlogical(), and solver().

Referenced by directsolver().

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subroutine directsolve::umfpack_solvesystem	(	type(solver_t)	Solver,
		type(matrix_t)	A,
		real(kind=dp), dimension(*), target	x,
		real(kind=dp), dimension(*), target	b,
		logical, optional	Free_Fact
	)

Solves a linear system using Umfpack multifrontal direct solver courtesy of University of Florida.

References messages::fatal(), lists::listgetlogical(), lists::listgetstring(), and solver().

Referenced by directsolver().

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

• DirectSolve.src