Defines various Conjugate Gradient methods. More...

Data Types
type	cg_t
	Standard preconditioned conjugate gradient method. More...

Functions/Subroutines
subroutine	cg_init (this, n, max_iter, M, rel_tol, abs_tol)
	Initialise a standard PCG solver. More...

subroutine	cg_free (this)
	Deallocate a standard PCG solver. More...

type(ksp_monitor_t) function	cg_solve (this, Ax, x, f, n, coef, blst, gs_h, niter)
	Standard PCG solve. More...

subroutine	second_cg_part (rtr, r, mult, w, alpha, n)

Detailed Description

Defines various Conjugate Gradient methods.

Function/Subroutine Documentation

subroutine cg::cg_free ( class(cg_t), intent(inout) this )

private

Deallocate a standard PCG solver.

Definition at line 99 of file cg.f90.

subroutine cg::cg_init	(	class(cg_t), intent(inout), target	this,
		integer, intent(in)	n,
		integer, intent(in)	max_iter,
		class(pc_t), intent(inout), optional, target	M,
		real(kind=rp), intent(inout), optional	rel_tol,
		real(kind=rp), intent(inout), optional	abs_tol
	)

Initialise a standard PCG solver.

Definition at line 66 of file cg.f90.

type(ksp_monitor_t) function cg::cg_solve	(	class(cg_t), intent(inout)	this,
		class(ax_t), intent(inout)	Ax,
		type(field_t), intent(inout)	x,
		real(kind=rp), dimension(n), intent(inout)	f,
		integer, intent(in)	n,
		type(coef_t), intent(inout)	coef,
		type(bc_list_t), intent(inout)	blst,
		type(gs_t), intent(inout)	gs_h,
		integer, intent(in), optional	niter
	)

private

Standard PCG solve.

Definition at line 129 of file cg.f90.

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subroutine cg::second_cg_part	(	real(kind=rp), intent(inout)	rtr,
		real(kind=rp), dimension(n), intent(inout)	r,
		real(kind=rp), dimension(n), intent(in)	mult,
		real(kind=rp), dimension(n), intent(in)	w,
		real(kind=rp), intent(in)	alpha,
		integer, intent(in)	n
	)

private

Definition at line 228 of file cg.f90.

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integer, parameter cg::cg_p_space = 7

private

Definition at line 48 of file cg.f90.