sll_t_linear_solver_iter_abstract Type Reference

class for abstract iterative linear solver More...

Inheritance diagram for sll_t_linear_solver_iter_abstract:

Collaboration diagram for sll_t_linear_solver_iter_abstract:

Private Member Functions
procedure(sll_p_set_guess_linear_solver_iter_abstract), deferred	set_guess
procedure(sll_p_check_convergence_linear_solver_iter_abstract), deferred	check_convergence
procedure	compute_residual_error => compute_residual_error_linear_solver_iter_abstract
procedure	set_linear_operator => set_linop_linear_solver_iter_abstract
procedure	set_tolerance => set_tolerance_linear_solver_iter_abstract
generic	solve => solve_real
procedure	initialize_abstract => initialize_linear_solver_abstract
procedure	set_verbose_abstract => set_verbose_linear_solver_abstract
procedure(sll_p_read_from_file_linear_solver_abstract), deferred	read_from_file
procedure(sll_p_set_verbose_linear_solver_abstract), deferred	set_verbose
procedure(sll_p_solve_real_linear_solver_abstract), deferred	solve_real
procedure(sll_p_print_info_linear_solver_abstract), deferred	print_info
procedure(sll_p_free_linear_solver_abstract), deferred	free

Private Attributes
integer(kind=i32)	n_maxiter = 2000
	maximum number of iterations More...
logical	null_space = .false.
	true if singular linear operator:w More...
real(kind=f64)	atol = 1.0d-9
	absolute tolerance More...
real(kind=f64), dimension(:), allocatable	x_0
	for the initialization More...
class(sll_t_linear_operator_abstract), pointer	ptr_linear_operator => null()
	pointer to the used linear operator More...
class(sll_t_linear_operator_abstract), allocatable	p_linear_operator
	used for nullspace More...
class(sll_t_linear_solver_abstract), pointer	ptr_pc_left => null()
	pointer to a left pc More...
integer(kind=i32)	n_rows = 0
	number of rows More...
integer(kind=i32)	n_cols = 0
	number of columns More...
integer(kind=i32)	n_global_rows = 0
	number of rows different from n_rows for distributed linear operator More...
integer(kind=i32)	n_global_cols = 0
	number of columns different from n_cols for linear operator More...
integer(kind=i32)	n_total_rows = 0
	n_global_rows * n_block_rows More...
integer(kind=i32)	n_total_cols = 0
	n_global_cols * n_block_cols More...
logical	is_allocated = .false.
logical	verbose = .false.
	details output for diagnostic if true More...

Detailed Description

class for abstract iterative linear solver

Definition at line 33 of file sll_m_linear_solver_iter_abstract.F90.

Member Function/Subroutine Documentation

check_convergence()

procedure(sll_p_check_convergence_linear_solver_iter_abstract), deferred check_convergence

private

Definition at line 48 of file sll_m_linear_solver_iter_abstract.F90.

compute_residual_error()

procedure compute_residual_error

private

Definition at line 50 of file sll_m_linear_solver_iter_abstract.F90.

free()

procedure(sll_p_free_linear_solver_abstract), deferred free

privateinherited

Definition at line 54 of file sll_m_linear_solver_abstract.F90.

initialize_abstract()

procedure initialize_abstract

privateinherited

Definition at line 47 of file sll_m_linear_solver_abstract.F90.

print_info()

procedure(sll_p_print_info_linear_solver_abstract), deferred print_info

privateinherited

Definition at line 53 of file sll_m_linear_solver_abstract.F90.

read_from_file()

procedure(sll_p_read_from_file_linear_solver_abstract), deferred read_from_file

privateinherited

Definition at line 50 of file sll_m_linear_solver_abstract.F90.

set_guess()

procedure(sll_p_set_guess_linear_solver_iter_abstract), deferred set_guess

private

Definition at line 47 of file sll_m_linear_solver_iter_abstract.F90.

set_linear_operator()

procedure set_linear_operator

private

Definition at line 51 of file sll_m_linear_solver_iter_abstract.F90.

set_tolerance()

procedure set_tolerance

private

Definition at line 52 of file sll_m_linear_solver_iter_abstract.F90.

set_verbose()

procedure(sll_p_set_verbose_linear_solver_abstract), deferred set_verbose

privateinherited

Definition at line 51 of file sll_m_linear_solver_abstract.F90.

set_verbose_abstract()

procedure set_verbose_abstract

privateinherited

Definition at line 48 of file sll_m_linear_solver_abstract.F90.

solve()

generic solve

privateinherited

Definition at line 45 of file sll_m_linear_solver_abstract.F90.

solve_real()

procedure(sll_p_solve_real_linear_solver_abstract), deferred solve_real

privateinherited

Definition at line 52 of file sll_m_linear_solver_abstract.F90.

Member Data Documentation

atol

real(kind=f64) atol = 1.0d-9

private

absolute tolerance

Definition at line 38 of file sll_m_linear_solver_iter_abstract.F90.

is_allocated

logical is_allocated = .false.

privateinherited

Definition at line 40 of file sll_m_linear_solver_abstract.F90.

n_cols

integer(kind=i32) n_cols = 0

privateinherited

number of columns

Definition at line 32 of file sll_m_linear_solver_abstract.F90.

n_global_cols

integer(kind=i32) n_global_cols = 0

privateinherited

number of columns different from n_cols for linear operator

Definition at line 35 of file sll_m_linear_solver_abstract.F90.

n_global_rows

integer(kind=i32) n_global_rows = 0

privateinherited

number of rows different from n_rows for distributed linear operator

Definition at line 34 of file sll_m_linear_solver_abstract.F90.

n_maxiter

integer(kind=i32) n_maxiter = 2000

private

maximum number of iterations

Definition at line 35 of file sll_m_linear_solver_iter_abstract.F90.

n_rows

integer(kind=i32) n_rows = 0

privateinherited

number of rows

Definition at line 31 of file sll_m_linear_solver_abstract.F90.

n_total_cols

integer(kind=i32) n_total_cols = 0

privateinherited

n_global_cols * n_block_cols

Definition at line 38 of file sll_m_linear_solver_abstract.F90.

n_total_rows

integer(kind=i32) n_total_rows = 0

privateinherited

n_global_rows * n_block_rows

Definition at line 37 of file sll_m_linear_solver_abstract.F90.

null_space

logical null_space = .false.

private

true if singular linear operator:w

Definition at line 36 of file sll_m_linear_solver_iter_abstract.F90.

p_linear_operator

class(sll_t_linear_operator_abstract), allocatable p_linear_operator

private

used for nullspace

Definition at line 43 of file sll_m_linear_solver_iter_abstract.F90.

ptr_linear_operator

class(sll_t_linear_operator_abstract), pointer ptr_linear_operator => null()

private

pointer to the used linear operator

Definition at line 42 of file sll_m_linear_solver_iter_abstract.F90.

ptr_pc_left

class(sll_t_linear_solver_abstract), pointer ptr_pc_left => null()

private

pointer to a left pc

Definition at line 44 of file sll_m_linear_solver_iter_abstract.F90.

verbose

logical verbose = .false.

privateinherited

details output for diagnostic if true

Definition at line 41 of file sll_m_linear_solver_abstract.F90.

x_0

real(kind=f64), dimension(:), allocatable x_0

private

for the initialization

Definition at line 40 of file sll_m_linear_solver_iter_abstract.F90.