pcgRobust_mod Module Reference

PCG solver for the Robust Coarse Spaces. More...

Data Types
type	RobustPreconditionMtx
	Matrices for the robust preconditioner. More...
Functions/Subroutines
type(RobustPreconditionMtx)	RobustPreconditionMtx_new ()
subroutine	pcg_forRCS (A, b, x)
	pcg method where system matrix is the sum of inversed submatrices
subroutine	precondition_forRCS (y, A, C, x)
	Preconditioner C.

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Detailed Description

PCG solver for the Robust Coarse Spaces.

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Function/Subroutine Documentation

subroutine pcgRobust_mod::pcg_forRCS	(	type(SumOfInversedSubMtx),intent(inout)	A,
		real(kind=rk),dimension(:),pointer	b,
		real(kind=rk),dimension(:),pointer	x
	)

pcg method where system matrix is the sum of inversed submatrices

Parameters:

A	System matrix
b	RHS
x	Solution

Definition at line 38 of file pcg_robust.f90.

References DOUG_utils::ismaster(), precondition_forRCS(), RobustPreconditionMtx_new(), globals::sctls, RobustCoarseMtx_mod::SOISMtx_pmvm(), globals::stream, and Vect_mod::Vect_dot_product().

Referenced by CoarsePreconditioner_robust_mod::CoarsePreconditioner_robust_Init().

subroutine pcgRobust_mod::precondition_forRCS	(	real(kind=rk),dimension(:),intent(out)	y,
		type(SumOfInversedSubMtx),intent(inout)	A,
		type(RobustPreconditionMtx),intent(inout)	C,
		real(kind=rk),dimension(:),pointer	x
	)

Preconditioner C.

Definition at line 125 of file pcg_robust.f90.

References initialize(), not, and globals::sctls.

Referenced by pcg_forRCS().

type(RobustPreconditionMtx) pcgRobust_mod::RobustPreconditionMtx_new

(

)

Definition at line 28 of file pcg_robust.f90.

Referenced by pcg_forRCS().