Defines a communication avoiding Conjugate Gradient method.

Data Types
type	cacg_t
	S-step communication avoiding preconditioned conjugate gradient method. More...

Functions/Subroutines
subroutine	cacg_init (this, n, max_iter, M, s, rel_tol, abs_tol, monitor)
	Initialise a s-step CA PCG solver. More...

subroutine	cacg_free (this)
	Deallocate a s-step CA PCG solver. More...

type(ksp_monitor_t) function	cacg_solve (this, Ax, x, f, n, coef, blst, gs_h, niter)
	S-step CA PCG solve. More...

subroutine	construct_basis_matrix (Tt, s)
	Monomial matrix constuction, not sparse. More...

type(ksp_monitor_t) function, dimension(3)	cacg_solve_coupled (this, Ax, x, y, z, fx, fy, fz, n, coef, blstx, blsty, blstz, gs_h, niter)
	S-step CA PCG coupled solve. More...

Function/Subroutine Documentation

◆ cacg_free()

subroutine cacg::cacg_free ( class(cacg_t), intent(inout) this )

private

Definition at line 115 of file cacg.f90.

subroutine cacg::cacg_init	(	class(cacg_t), intent(inout)	this,
		integer, intent(in)	n,
		integer, intent(in)	max_iter,
		class(pc_t), intent(inout), optional, target	M,
		integer, intent(inout), optional	s,
		real(kind=rp), intent(inout), optional	rel_tol,
		real(kind=rp), intent(inout), optional	abs_tol,
		logical, intent(in), optional	monitor
	)

Definition at line 66 of file cacg.f90.

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type(ksp_monitor_t) function cacg::cacg_solve	(	class(cacg_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

Definition at line 138 of file cacg.f90.

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type(ksp_monitor_t) function, dimension(3) cacg::cacg_solve_coupled	(	class(cacg_t), intent(inout)	this,
		class(ax_t), intent(inout)	Ax,
		type(field_t), intent(inout)	x,
		type(field_t), intent(inout)	y,
		type(field_t), intent(inout)	z,
		real(kind=rp), dimension(n), intent(inout)	fx,
		real(kind=rp), dimension(n), intent(inout)	fy,
		real(kind=rp), dimension(n), intent(inout)	fz,
		integer, intent(in)	n,
		type(coef_t), intent(inout)	coef,
		type(bc_list_t), intent(inout)	blstx,
		type(bc_list_t), intent(inout)	blsty,
		type(bc_list_t), intent(inout)	blstz,
		type(gs_t), intent(inout)	gs_h,
		integer, intent(in), optional	niter
	)

private

Definition at line 352 of file cacg.f90.

subroutine cacg::construct_basis_matrix	(	real(kind=rp), dimension(4s+1,4s+1), intent(inout)	Tt,
		integer, intent(in)	s
	)

private

Definition at line 337 of file cacg.f90.

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