cg_device Module Reference

Defines various Conjugate Gradient methods for accelerators.

Data Types
type	cg_device_t
	Device based preconditioned conjugate gradient method. More...

Functions/Subroutines
subroutine	cg_device_init (this, n, max_iter, M, rel_tol, abs_tol, monitor)
	Initialise a device based PCG solver. More...
subroutine	cg_device_free (this)
	Deallocate a device based PCG solver. More...
type(ksp_monitor_t) function	cg_device_solve (this, Ax, x, f, n, coef, blst, gs_h, niter)
	Standard PCG solve. More...
type(ksp_monitor_t) function, dimension(3)	cg_device_solve_coupled (this, Ax, x, y, z, fx, fy, fz, n, coef, blstx, blsty, blstz, gs_h, niter)
	Standard PCG coupled solve. More...

Function/Subroutine Documentation

cg_device_free()

subroutine cg_device::cg_device_free

(

class(cg_device_t), intent(inout)

this

)

Definition at line 117 of file cg_device.f90.

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cg_device_init()

subroutine cg_device::cg_device_init	(	class(cg_device_t), intent(inout)	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,
		logical, intent(in), optional	monitor
	)

Definition at line 70 of file cg_device.f90.

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cg_device_solve()

type(ksp_monitor_t) function cg_device::cg_device_solve	(	class(cg_device_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
	)

Definition at line 163 of file cg_device.f90.

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cg_device_solve_coupled()

type(ksp_monitor_t) function, dimension(3) cg_device::cg_device_solve_coupled	(	class(cg_device_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
	)

Definition at line 237 of file cg_device.f90.