hecmw_precond_saamg Module Reference

Smoothed Aggregation AMG preconditioner : FrontISTR backend (id 22) More...

Functions/Subroutines
subroutine, public	hecmw_precond_saamg_setup (hecMAT, hecMESH, sym)
subroutine, public	hecmw_precond_saamg_apply (ZP, NDOF)
subroutine, public	hecmw_precond_saamg_clear (NDOF)

Detailed Description

Smoothed Aggregation AMG preconditioner : FrontISTR backend (id 22)

Top-level preconditioner backend registered as PRECOND=22. Mirrors the setup / apply / clear lifecycle of the other backends (DIAG, ML, ...): the hierarchy is held in module state and rebuilt only when the symbolic/numeric setup flags (hecMATIarray(98)/(97)) request it. apply works in place on the single working vector ZP (ZP <- M^{-1} ZP), one multigrid (V/W) cycle per call.

Function/Subroutine Documentation

hecmw_precond_saamg_apply()

subroutine, public hecmw_precond_saamg::hecmw_precond_saamg_apply	(	real(kind=kreal), dimension(:), intent(inout)	ZP,
		integer(kind=kint), intent(in)	NDOF
	)

Definition at line 302 of file hecmw_precond_SAAMG.f90.

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hecmw_precond_saamg_clear()

subroutine, public hecmw_precond_saamg::hecmw_precond_saamg_clear

(

integer(kind=kint), intent(in)

NDOF

)

Definition at line 315 of file hecmw_precond_SAAMG.f90.

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hecmw_precond_saamg_setup()

subroutine, public hecmw_precond_saamg::hecmw_precond_saamg_setup	(	type(hecmwst_matrix), intent(inout)	hecMAT,
		type(hecmwst_local_mesh), intent(inout)	hecMESH,
		integer(kind=kint), intent(in)	sym
	)

Definition at line 58 of file hecmw_precond_SAAMG.f90.

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