cg Module Reference

Defines various Conjugate Gradient methods.

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, monitor)
	Initialise a standard PCG solver.
subroutine	cg_free (this)
	Deallocate a standard PCG solver.
type(ksp_monitor_t) function	cg_solve (this, ax, x, f, n, coef, bc_projector, gs_h, niter)
	Standard PCG solve.
subroutine	second_cg_part (rtr, r, mult, w, alpha, n)
type(ksp_monitor_t) function, dimension(3)	cg_solve_coupled (this, ax, x, y, z, fx, fy, fz, n, coef, bc_projector, gs_h, niter)
	Standard PCG coupled solve.

Variables
integer, parameter	cg_p_space = 7

Function/Subroutine Documentation

cg_free()

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

private

Definition at line 112 of file cg.f90.

cg_init()

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

Definition at line 71 of file cg.f90.

cg_solve()

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

private

Definition at line 142 of file cg.f90.

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cg_solve_coupled()

type(ksp_monitor_t) function, dimension(3) cg::cg_solve_coupled ( class(cg_t), intent(inout)  this, class(ax_t), intent(in)  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(in)  fx, real(kind=rp), dimension(n), intent(in)  fy, real(kind=rp), dimension(n), intent(in)  fz, integer, intent(in)  n, type(coef_t), intent(inout)  coef, class(vector_bc_projector_t), intent(inout)  bc_projector, type(gs_t), intent(inout)  gs_h, integer, intent(in), optional  niter  )

private

Definition at line 284 of file cg.f90.

second_cg_part()

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 263 of file cg.f90.

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Variable Documentation

cg_p_space

integer, parameter cg::cg_p_space = 7

private

Definition at line 52 of file cg.f90.