Definitions for control file parameters. More...

Functions/Subroutines
subroutine	controls_init ()
Variables
integer, parameter	DCTL_NWORDS = 51
	number of control parameters
character *(51), dimension(dctl_nwords)	ctl_words
	Control parameter name strings.
Main parameters
integer, parameter	DCTL_solver = 1
	solver for outer loop: (2) PCG
integer, parameter	DCTL_levels = 3
	Preconditioning levels: 1, 2.
integer, parameter	DCTL_input_type = 6
	(1) Elemental input files, (2) assembled matrix or (3) structured mesh (generated locally on the fly)
integer, parameter	DCTL_fine_method = 49
	fine preconditioner: (1) complete, (2) SGS
integer, parameter	DCTL_coarse_method = 47
	coarse preconditer: (1) smoothed, (2) robust
Output
integer, parameter	DCTL_solution_format = 19
	solution file format
integer, parameter	DCTL_solution_file = 20
	solution file name
integer, parameter	DCTL_debug = 27
integer, parameter	DCTL_verbose = 28
	verbose level: 1-3 info, 4-6 debug, 7-. trace
integer, parameter	DCTL_plotting = 29
Assembled data input
integer, parameter	DCTL_assembled_mtx_file = 8
	Matrix file for assembled input.
integer, parameter	DCTL_assembled_mtx_format = 46
	assembled matrix format
integer, parameter	DCTL_assembled_rhs_file = 42
	assembled rhs file name
integer, parameter	DCTL_assembled_rhs_format = 43
	assembled rhs file format
Elemental data input
integer, parameter	DCTL_info_file = 9
integer, parameter	DCTL_freedom_lists_file = 10
	Freedom list file for elemental input.
integer, parameter	DCTL_elemmat_rhs_file = 11
	Elemental matrix file for elemental input.
integer, parameter	DCTL_coords_file = 12
	Coordinates file for elemental input.
integer, parameter	DCTL_freemap_file = 13
integer, parameter	DCTL_freedom_mask_file = 14
Generated mesh (as data input)
integer, parameter	DCTL_grid_size = 51
	grid size for structured mesh input type
Aggregation
integer, parameter	DCTL_strong1 = 16
	threshold for fine aggregate smoothing
integer, parameter	DCTL_strong2 = 17
	threshold for coarse aggregate smoothing
integer, parameter	DCTL_radius1 = 21
	fine aggregates radius
integer, parameter	DCTL_radius2 = 22
	coarse aggregates radius
integer, parameter	DCTL_minasize1 = 23
	minimum size of a fine aggregate
integer, parameter	DCTL_minasize2 = 24
	minimum size of a coarse aggregate
integer, parameter	DCTL_maxasize1 = 25
	maximum size of a fine aggregate
integer, parameter	DCTL_maxasize2 = 26
	maximum size of a coarse aggregate
Solvers
integer, parameter	DCTL_solve_tolerance = 18
integer, parameter	DCTL_initial_guess = 30
	not used
integer, parameter	DCTL_solve_maxiters = 35
First level preconditioners
integer, parameter	DCTL_method = 2
	Schwarz method: additive (1), multiplicative (not implemented)
integer, parameter	DCTL_overlap = 4
	Schwarz method overlap.
integer, parameter	DCTL_num_subdomains = 48
	number of subdomains on each process for Schwarz preconditioner
integer, parameter	DCTL_num_iters = 50
	number of Gauss-Seidel iterations
Second level preconditioner: smoothed
integer, parameter	DCTL_smoothers = 5
	Smoothing steps in smoothed aggregation.
Second level preconditioner: geometric
integer, parameter	DCTL_maxcie = 36
integer, parameter	DCTL_maxnd = 37
integer, parameter	DCTL_cutbal = 38
integer, parameter	DCTL_center_type = 39
integer, parameter	DCTL_hanging_nodes = 40
integer, parameter	DCTL_interpolation_type = 41
integer, parameter	DCTL_dump_matrix_only = 44
integer, parameter	DCTL_dump_matrix_file = 45
Unsorted
integer, parameter	DCTL_matrix_type = 7
	Not used.
integer, parameter	DCTL_number_of_blocks = 15
	Not really used, set to 1.
integer, parameter	DCTL_start_vec_type = 31
	Not used.
integer, parameter	DCTL_start_vec_file = 32
	Not used.
integer, parameter	DCTL_symmstruct = 33
	Used only in matrix (un)scaling routines.
integer, parameter	DCTL_symmnumeric = 34
	Used only in matrix (un)scaling routines.