xref: /petsc/src/ksp/pc/impls/tfs/tfs.h (revision 38dcbb09bdcb25eba0b50956be92b0a580cfef13)
17758a8cdSBarry Smith 
27758a8cdSBarry Smith #if !defined(__TFS_H)
37758a8cdSBarry Smith #define __TFS_H
47758a8cdSBarry Smith 
57758a8cdSBarry Smith /**********************************const.h*************************************
67758a8cdSBarry Smith 
77758a8cdSBarry Smith Author: Henry M. Tufo III
87758a8cdSBarry Smith 
97758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
107758a8cdSBarry Smith 
117758a8cdSBarry Smith snail-mail:
127758a8cdSBarry Smith Division of Applied Mathematics
137758a8cdSBarry Smith Brown University
147758a8cdSBarry Smith Providence, RI 02912
157758a8cdSBarry Smith 
167758a8cdSBarry Smith Last Modification:
177758a8cdSBarry Smith 6.21.97
187758a8cdSBarry Smith ***********************************const.h************************************/
197758a8cdSBarry Smith 
207758a8cdSBarry Smith /**********************************const.h*************************************
217758a8cdSBarry Smith File Description:
227758a8cdSBarry Smith -----------------
237758a8cdSBarry Smith 
247758a8cdSBarry Smith ***********************************const.h************************************/
25c6db04a5SJed Brown #include <petscsys.h>
26c6db04a5SJed Brown #include <petscblaslapack.h>
277758a8cdSBarry Smith 
287758a8cdSBarry Smith #define X          0
297758a8cdSBarry Smith #define Y          1
307758a8cdSBarry Smith #define Z          2
317758a8cdSBarry Smith #define XY         3
327758a8cdSBarry Smith #define XZ         4
337758a8cdSBarry Smith #define YZ         5
347758a8cdSBarry Smith 
357758a8cdSBarry Smith 
367758a8cdSBarry Smith #define THRESH          0.2
377758a8cdSBarry Smith #define N_HALF          4096
387758a8cdSBarry Smith #define PRIV_BUF_SZ     45
397758a8cdSBarry Smith 
407758a8cdSBarry Smith /*4096 8192 32768 65536 1048576 */
417758a8cdSBarry Smith #define MAX_MSG_BUF     32768
427758a8cdSBarry Smith 
437758a8cdSBarry Smith #define FULL           2
447758a8cdSBarry Smith #define PARTIAL        1
457758a8cdSBarry Smith #define NONE           0
467758a8cdSBarry Smith 
477758a8cdSBarry Smith #define BYTE           8
487758a8cdSBarry Smith #define BIT_0          0x1
497758a8cdSBarry Smith #define BIT_1          0x2
507758a8cdSBarry Smith #define BIT_2          0x4
517758a8cdSBarry Smith #define BIT_3          0x8
527758a8cdSBarry Smith #define BIT_4          0x10
537758a8cdSBarry Smith #define BIT_5          0x20
547758a8cdSBarry Smith #define BIT_6          0x40
557758a8cdSBarry Smith #define BIT_7          0x80
56ab824b78SBarry Smith #define TOP_BIT        PETSC_MIN_INT
577758a8cdSBarry Smith 
587758a8cdSBarry Smith #define C              0
597758a8cdSBarry Smith 
607758a8cdSBarry Smith 
617758a8cdSBarry Smith #define MAX_VEC        1674
627758a8cdSBarry Smith #define FORMAT         30
637758a8cdSBarry Smith #define MAX_COL_LEN    100
647758a8cdSBarry Smith #define MAX_LINE       FORMAT*MAX_COL_LEN
657758a8cdSBarry Smith #define   DELIM        " \n \t"
667758a8cdSBarry Smith #define LINE           12
677758a8cdSBarry Smith #define C_LINE         80
687758a8cdSBarry Smith 
697758a8cdSBarry Smith #define   UT            5               /* dump upper 1/2 */
707758a8cdSBarry Smith #define   LT            6               /* dump lower 1/2 */
717758a8cdSBarry Smith #define   SYMM          8               /* we assume symm and dump upper 1/2 */
727758a8cdSBarry Smith #define   NON_SYMM      9
737758a8cdSBarry Smith 
747758a8cdSBarry Smith #define   ROW          10
757758a8cdSBarry Smith #define   COL          11
767758a8cdSBarry Smith 
777758a8cdSBarry Smith #define EPS   1.0e-14
787758a8cdSBarry Smith #define EPS2  1.0e-07
797758a8cdSBarry Smith 
807758a8cdSBarry Smith 
817758a8cdSBarry Smith #define MPI   1
827758a8cdSBarry Smith #define NX    2
837758a8cdSBarry Smith 
847758a8cdSBarry Smith #define LOG2(x)         (PetscScalar)log((double)x)/log(2)
857758a8cdSBarry Smith #define SWAP(a,b)       temp=(a); (a)=(b); (b)=temp;
867758a8cdSBarry Smith #define P_SWAP(a,b)     ptr =(a); (a)=(b); (b)=ptr;
877758a8cdSBarry Smith 
888cda6cd7SBarry Smith #define MAX_FABS(x,y)   (PetscAbsScalar(x)>PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
898cda6cd7SBarry Smith #define MIN_FABS(x,y)   (PetscAbsScalar(x)<PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
907758a8cdSBarry Smith 
917758a8cdSBarry Smith /* specer's existence ... can be done w/MAX_ABS */
927758a8cdSBarry Smith #define EXISTS(x,y)     ((x)==0.0) ? (y) : (x)
937758a8cdSBarry Smith 
947758a8cdSBarry Smith #define MULT_NEG_ONE(a) (a) *= -1;
957758a8cdSBarry Smith #define NEG(a)          (a) |= BIT_31;
967758a8cdSBarry Smith #define POS(a)          (a) &= INT_MAX;
977758a8cdSBarry Smith 
987758a8cdSBarry Smith 
997758a8cdSBarry Smith 
1007758a8cdSBarry Smith 
1017758a8cdSBarry Smith /**********************************types.h*************************************
1027758a8cdSBarry Smith 
1037758a8cdSBarry Smith Author: Henry M. Tufo III
1047758a8cdSBarry Smith 
1057758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
1067758a8cdSBarry Smith 
1077758a8cdSBarry Smith snail-mail:
1087758a8cdSBarry Smith Division of Applied Mathematics
1097758a8cdSBarry Smith Brown University
1107758a8cdSBarry Smith Providence, RI 02912
1117758a8cdSBarry Smith 
1127758a8cdSBarry Smith Last Modification:
1137758a8cdSBarry Smith 6.21.97
1147758a8cdSBarry Smith ***********************************types.h************************************/
1157758a8cdSBarry Smith 
1166e4f4d19SBarry Smith typedef PetscErrorCode (*vfp)(void*,void*,PetscInt,...);
1176b967228SBarry Smith typedef PetscErrorCode (*rbfp)(PetscScalar*, PetscScalar*, PetscInt);
1186b967228SBarry Smith typedef PetscInt (*bfp)(void*, void*, PetscInt*, MPI_Datatype*);
1197758a8cdSBarry Smith 
1207758a8cdSBarry Smith /***********************************comm.h*************************************
1217758a8cdSBarry Smith 
1227758a8cdSBarry Smith Author: Henry M. Tufo III
1237758a8cdSBarry Smith 
1247758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
1257758a8cdSBarry Smith 
1267758a8cdSBarry Smith snail-mail:
1277758a8cdSBarry Smith Division of Applied Mathematics
1287758a8cdSBarry Smith Brown University
1297758a8cdSBarry Smith Providence, RI 02912
1307758a8cdSBarry Smith 
1317758a8cdSBarry Smith Last Modification:
1327758a8cdSBarry Smith 6.21.97
1337758a8cdSBarry Smith ***********************************comm.h*************************************/
1345a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_my_id;
1355a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_num_nodes;
1365a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_floor_num_nodes;
1375a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_i_log2_num_nodes;
1387758a8cdSBarry Smith 
1396b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_giop(PetscInt*,PetscInt*,PetscInt,PetscInt*);
1406b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_grop(PetscScalar*,PetscScalar*,PetscInt,PetscInt*);
1415a576424SJed Brown PETSC_INTERN PetscErrorCode PCTFS_comm_init(void);
1426b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_giop_hc(PetscInt*,PetscInt*,PetscInt,PetscInt*,PetscInt);
1436b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_grop_hc(PetscScalar*,PetscScalar*,PetscInt,PetscInt*,PetscInt);
1446b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ssgl_radd(PetscScalar*,PetscScalar*,PetscInt,PetscInt*);
1457758a8cdSBarry Smith 
1467758a8cdSBarry Smith #define MSGTAG0 101
1477758a8cdSBarry Smith #define MSGTAG1 1001
1487758a8cdSBarry Smith #define MSGTAG2 76207
1497758a8cdSBarry Smith #define MSGTAG3 100001
1507758a8cdSBarry Smith #define MSGTAG4 163841
1517758a8cdSBarry Smith #define MSGTAG5 249439
1527758a8cdSBarry Smith #define MSGTAG6 10000001
1537758a8cdSBarry Smith 
1547758a8cdSBarry Smith #define NON_UNIFORM     0
1557758a8cdSBarry Smith #define GL_MAX          1
1567758a8cdSBarry Smith #define GL_MIN          2
1577758a8cdSBarry Smith #define GL_MULT         3
1587758a8cdSBarry Smith #define GL_ADD          4
1597758a8cdSBarry Smith #define GL_B_XOR        5
1607758a8cdSBarry Smith #define GL_B_OR         6
1617758a8cdSBarry Smith #define GL_B_AND        7
1627758a8cdSBarry Smith #define GL_L_XOR        8
1637758a8cdSBarry Smith #define GL_L_OR         9
1647758a8cdSBarry Smith #define GL_L_AND        10
1657758a8cdSBarry Smith #define GL_MAX_ABS      11
1667758a8cdSBarry Smith #define GL_MIN_ABS      12
1677758a8cdSBarry Smith #define GL_EXISTS       13
1687758a8cdSBarry Smith 
1696b967228SBarry Smith PETSC_INTERN PetscInt       *PCTFS_ivec_copy(PetscInt*,PetscInt*,PetscInt);
1706b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_zero(PetscInt*, PetscInt);
1716b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_set(PetscInt*,PetscInt,PetscInt);
1727758a8cdSBarry Smith 
1736b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_lb(PetscInt*,PetscInt);
1746b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_ub(PetscInt*,PetscInt);
1756b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_sum(PetscInt*,PetscInt);
1766b967228SBarry Smith PETSC_INTERN vfp      PCTFS_ivec_fct_addr(PetscInt);
1777758a8cdSBarry Smith 
1786b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_non_uniform(PetscInt*,PetscInt*,PetscInt,PetscInt*);
1796b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_max(PetscInt*,PetscInt*,PetscInt);
1806b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_min(PetscInt*,PetscInt*,PetscInt);
1816b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_mult(PetscInt*,PetscInt*,PetscInt);
1826b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_add(PetscInt*,PetscInt*,PetscInt);
1836b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_xor(PetscInt*,PetscInt*,PetscInt);
1846b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_or(PetscInt*,PetscInt*,PetscInt);
1856b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_and(PetscInt*,PetscInt*,PetscInt);
1866b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_lxor(PetscInt*,PetscInt*,PetscInt);
1876b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_lor(PetscInt*,PetscInt*,PetscInt);
1886b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_land(PetscInt*,PetscInt*,PetscInt);
1896b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_and3(PetscInt*,PetscInt*,PetscInt*,PetscInt);
1907758a8cdSBarry Smith 
1916b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion(PetscInt*,PetscInt*,PetscInt);
1926b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort(PetscInt*,PetscInt);
1936b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_SMI_sort(void*,void*,PetscInt,PetscInt);
1946b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ivec_binary_search(PetscInt,PetscInt*,PetscInt);
1956b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ivec_linear_search(PetscInt,PetscInt*,PetscInt);
1967758a8cdSBarry Smith 
1976b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion_hack(PetscInt*,PetscInt**,PetscInt);
1987758a8cdSBarry Smith 
1996e4f4d19SBarry Smith #define SORT_INTEGER 1
2006e4f4d19SBarry Smith #define SORT_INT_PTR 2
2017758a8cdSBarry Smith 
2026b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_zero(PetscScalar*,PetscInt);
2036b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_one(PetscScalar*,PetscInt);
2046b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_set(PetscScalar*,PetscScalar,PetscInt);
2056b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_copy(PetscScalar*,PetscScalar*,PetscInt);
2066b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_scale(PetscScalar*,PetscScalar,PetscInt);
2077758a8cdSBarry Smith 
2086b967228SBarry Smith PETSC_INTERN vfp            PCTFS_rvec_fct_addr(PetscInt);
2096b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_add(PetscScalar*,PetscScalar*,PetscInt);
2106b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_mult(PetscScalar*,PetscScalar*,PetscInt);
2116b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_max(PetscScalar*,PetscScalar*,PetscInt);
2126b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_max_abs(PetscScalar*,PetscScalar*,PetscInt);
2136b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_min(PetscScalar*,PetscScalar*,PetscInt);
2146b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_min_abs(PetscScalar*,PetscScalar*,PetscInt);
2156b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_vec_exists(PetscScalar*,PetscScalar*,PetscInt);
2167758a8cdSBarry Smith 
2177758a8cdSBarry Smith /***********************************gs.h***************************************
2187758a8cdSBarry Smith 
2197758a8cdSBarry Smith Author: Henry M. Tufo III
2207758a8cdSBarry Smith 
2217758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
2227758a8cdSBarry Smith 
2237758a8cdSBarry Smith snail-mail:
2247758a8cdSBarry Smith Division of Applied Mathematics
2257758a8cdSBarry Smith Brown University
2267758a8cdSBarry Smith Providence, RI 02912
2277758a8cdSBarry Smith 
2287758a8cdSBarry Smith Last Modification:
2297758a8cdSBarry Smith 6.21.97
2307758a8cdSBarry Smith ************************************gs.h**************************************/
2317758a8cdSBarry Smith 
232ca8e9878SJed Brown typedef struct gather_scatter_id *PCTFS_gs_ADT;
2337758a8cdSBarry Smith 
2346b967228SBarry Smith PETSC_INTERN PCTFS_gs_ADT   PCTFS_gs_init(PetscInt*,PetscInt,PetscInt);
2356b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_gop_vec(PCTFS_gs_ADT,PetscScalar*,const char*,PetscInt);
2366b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_gop_hc(PCTFS_gs_ADT,PetscScalar*,const char*,PetscInt);
2376b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_free(PCTFS_gs_ADT);
2386b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_init_msg_buf_sz(PetscInt);
2396b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_init_vec_sz(PetscInt);
2407758a8cdSBarry Smith 
2417758a8cdSBarry Smith /*************************************xxt.h************************************
2427758a8cdSBarry Smith Module Name: xxt
2437758a8cdSBarry Smith Module Info: need xxt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}
2447758a8cdSBarry Smith 
2457758a8cdSBarry Smith author:  Henry M. Tufo III
2467758a8cdSBarry Smith e-mail:  hmt@asci.uchicago.edu
2477758a8cdSBarry Smith contact:
2487758a8cdSBarry Smith +--------------------------------+--------------------------------+
2497758a8cdSBarry Smith |MCS Division - Building 221     |Department of Computer Science  |
2507758a8cdSBarry Smith |Argonne National Laboratory     |Ryerson 152                     |
2517758a8cdSBarry Smith |9700 S. Cass Avenue             |The University of Chicago       |
2527758a8cdSBarry Smith |Argonne, IL  60439              |Chicago, IL  60637              |
2537758a8cdSBarry Smith |(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
2547758a8cdSBarry Smith +--------------------------------+--------------------------------+
2557758a8cdSBarry Smith 
2567758a8cdSBarry Smith Last Modification: 3.20.01
2577758a8cdSBarry Smith **************************************xxt.h***********************************/
2587758a8cdSBarry Smith 
2597758a8cdSBarry Smith typedef struct xxt_CDT *xxt_ADT;
2607758a8cdSBarry Smith 
2617758a8cdSBarry Smith 
2627758a8cdSBarry Smith /*************************************xxt.h************************************
2637758a8cdSBarry Smith Function: XXT_new()
2647758a8cdSBarry Smith 
2657758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
2667758a8cdSBarry Smith Description: This function allocates and returns an xxt handle
2677758a8cdSBarry Smith Usage: xxt_handle = xxt_new();
2687758a8cdSBarry Smith **************************************xxt.h***********************************/
2695a576424SJed Brown PETSC_INTERN xxt_ADT XXT_new(void);
2707758a8cdSBarry Smith 
2717758a8cdSBarry Smith 
2727758a8cdSBarry Smith /*************************************xxt.h************************************
2737758a8cdSBarry Smith Function: XXT_free()
2747758a8cdSBarry Smith 
2757758a8cdSBarry Smith Input : pointer to ADT.
2766e4f4d19SBarry Smith 
2777758a8cdSBarry Smith Description: This function frees the storage associated with an xxt handle
2787758a8cdSBarry Smith Usage: XXT_free(xxt_handle);
2797758a8cdSBarry Smith **************************************xxt.h***********************************/
2806b967228SBarry Smith PETSC_INTERN PetscInt XXT_free(xxt_ADT);
2817758a8cdSBarry Smith 
2827758a8cdSBarry Smith 
2837758a8cdSBarry Smith /*************************************xxt.h************************************
2847758a8cdSBarry Smith Function: XXT_factor
2857758a8cdSBarry Smith 
2867758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
2877758a8cdSBarry Smith Return: 0 on failure, 1 on success
2887758a8cdSBarry Smith Description: This function sets the xxt solver
2897758a8cdSBarry Smith 
2907758a8cdSBarry Smith xxt assumptions: given n rows of global coarse matrix (E_loc) where
2917758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
2927758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
2937758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
2947758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
2957758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
2967758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
2977758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
2987758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
2997758a8cdSBarry Smith    (note that gs package takes care of communication).
3007758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
3017758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
3027758a8cdSBarry Smith 
3037758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XXT_factor routine
3047758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
3057758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
3067758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
3077758a8cdSBarry Smith    o grid_data used in
3087758a8cdSBarry Smith       A_matvec(grid_data,v,u);
3097758a8cdSBarry Smith 
3107758a8cdSBarry Smith Usage:
3117758a8cdSBarry Smith **************************************xxt.h***********************************/
312*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_factor(xxt_ADT,     /* prev. allocated xxt  handle */
3136b967228SBarry Smith                            PetscInt*, /* global column mapping       */
3146b967228SBarry Smith                            PetscInt,             /* local num rows              */
3156b967228SBarry Smith                            PetscInt,             /* local num cols              */
3166b967228SBarry Smith                            PetscErrorCode (*)(void*,PetscScalar*,PetscScalar*),    /* b_loc=A_local.x_loc         */
3176b967228SBarry Smith                            void*);       /* grid data for matvec        */
3187758a8cdSBarry Smith 
3197758a8cdSBarry Smith 
3207758a8cdSBarry Smith /*************************************xxt.h************************************
3217758a8cdSBarry Smith Function: XXT_solve
3227758a8cdSBarry Smith 
3237758a8cdSBarry Smith Input : ADT ptr, b (rhs)
3247758a8cdSBarry Smith Output: x (soln)
3257758a8cdSBarry Smith Return:
3267758a8cdSBarry Smith Description: This function performs x = E^-1.b
3277758a8cdSBarry Smith Usage:
3287758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, double *b)
3297758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, NULL)
3307758a8cdSBarry Smith assumes x has been initialized to be b
3317758a8cdSBarry Smith **************************************xxt.h***********************************/
332*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_solve(xxt_ADT,PetscScalar*,PetscScalar*);
3337758a8cdSBarry Smith 
3347758a8cdSBarry Smith /*************************************xxt.h************************************
3357758a8cdSBarry Smith Function: XXT_stats
3367758a8cdSBarry Smith 
3377758a8cdSBarry Smith Input : handle
3387758a8cdSBarry Smith **************************************xxt.h***********************************/
339*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_stats(xxt_ADT);
3407758a8cdSBarry Smith 
3417758a8cdSBarry Smith 
3427758a8cdSBarry Smith /*************************************xxt.h************************************
3437758a8cdSBarry Smith Function: XXT_sp_1()
3447758a8cdSBarry Smith 
3457758a8cdSBarry Smith Input : pointer to ADT
3467758a8cdSBarry Smith Output:
3477758a8cdSBarry Smith Return:
3487758a8cdSBarry Smith Description: sets xxt parameter 1 in xxt_handle
3497758a8cdSBarry Smith Usage: implement later
3507758a8cdSBarry Smith 
3517758a8cdSBarry Smith void XXT_sp_1(xxt_handle,parameter 1 value)
3527758a8cdSBarry Smith **************************************xxt.h***********************************/
3537758a8cdSBarry Smith 
3547758a8cdSBarry Smith 
3557758a8cdSBarry Smith /*************************************xyt.h************************************
3567758a8cdSBarry Smith Module Name: xyt
3577758a8cdSBarry Smith Module Info: need xyt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}
3587758a8cdSBarry Smith 
3597758a8cdSBarry Smith author:  Henry M. Tufo III
3607758a8cdSBarry Smith e-mail:  hmt@asci.uchicago.edu
3617758a8cdSBarry Smith contact:
3627758a8cdSBarry Smith +--------------------------------+--------------------------------+
3637758a8cdSBarry Smith |MCS Division - Building 221     |Department of Computer Science  |
3647758a8cdSBarry Smith |Argonne National Laboratory     |Ryerson 152                     |
3657758a8cdSBarry Smith |9700 S. Cass Avenue             |The University of Chicago       |
3667758a8cdSBarry Smith |Argonne, IL  60439              |Chicago, IL  60637              |
3677758a8cdSBarry Smith |(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
3687758a8cdSBarry Smith +--------------------------------+--------------------------------+
3697758a8cdSBarry Smith 
3707758a8cdSBarry Smith Last Modification: 3.20.01
3717758a8cdSBarry Smith **************************************xyt.h***********************************/
3727758a8cdSBarry Smith 
3737758a8cdSBarry Smith typedef struct xyt_CDT *xyt_ADT;
3747758a8cdSBarry Smith 
3757758a8cdSBarry Smith 
3767758a8cdSBarry Smith /*************************************xyt.h************************************
3777758a8cdSBarry Smith Function: XYT_new()
3787758a8cdSBarry Smith 
3797758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
3807758a8cdSBarry Smith Description: This function allocates and returns an xyt handle
3817758a8cdSBarry Smith Usage: xyt_handle = xyt_new();
3827758a8cdSBarry Smith **************************************xyt.h***********************************/
3835a576424SJed Brown PETSC_INTERN xyt_ADT XYT_new(void);
3847758a8cdSBarry Smith 
3857758a8cdSBarry Smith 
3867758a8cdSBarry Smith /*************************************xyt.h************************************
3877758a8cdSBarry Smith Function: XYT_free()
3887758a8cdSBarry Smith 
3897758a8cdSBarry Smith Input : pointer to ADT.
3907758a8cdSBarry Smith Description: This function frees the storage associated with an xyt handle
3917758a8cdSBarry Smith Usage: XYT_free(xyt_handle);
3927758a8cdSBarry Smith **************************************xyt.h***********************************/
393*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_free(xyt_ADT);
3947758a8cdSBarry Smith 
3957758a8cdSBarry Smith 
3967758a8cdSBarry Smith /*************************************xyt.h************************************
3977758a8cdSBarry Smith Function: XYT_factor
3987758a8cdSBarry Smith 
3997758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
4007758a8cdSBarry Smith Output:
4017758a8cdSBarry Smith Return: 0 on failure, 1 on success
4027758a8cdSBarry Smith Description: This function sets the xyt solver
4037758a8cdSBarry Smith 
4047758a8cdSBarry Smith xyt assumptions: given n rows of global coarse matrix (E_loc) where
4057758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
4067758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
4077758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
4087758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
4097758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
4107758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
4117758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
4127758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
4137758a8cdSBarry Smith    (note that gs package takes care of communication).
4147758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
4157758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
4167758a8cdSBarry Smith 
4177758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XYT_factor routine
4187758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
4197758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
4207758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
4217758a8cdSBarry Smith    o grid_data used in
4227758a8cdSBarry Smith       A_matvec(grid_data,v,u);
4237758a8cdSBarry Smith 
4247758a8cdSBarry Smith Usage:
4257758a8cdSBarry Smith **************************************xyt.h***********************************/
426*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_factor(xyt_ADT,     /* prev. allocated xyt  handle */
4276b967228SBarry Smith                            PetscInt*, /* global column mapping       */
4286b967228SBarry Smith                            PetscInt,             /* local num rows              */
4296b967228SBarry Smith                            PetscInt,             /* local num cols              */
4306b967228SBarry Smith                            PetscErrorCode (*)(void*,PetscScalar*,PetscScalar*), /* b_loc=A_local.x_loc         */
4316b967228SBarry Smith                            void*);       /* grid data for matvec        */
4327758a8cdSBarry Smith 
4337758a8cdSBarry Smith 
4347758a8cdSBarry Smith /*************************************xyt.h************************************
4357758a8cdSBarry Smith Function: XYT_solve
4367758a8cdSBarry Smith 
4377758a8cdSBarry Smith Input : ADT ptr, b (rhs)
4387758a8cdSBarry Smith Output: x (soln)
4397758a8cdSBarry Smith Return:
4407758a8cdSBarry Smith Description: This function performs x = E^-1.b
4417758a8cdSBarry Smith Usage: XYT_solve(xyt_handle, double *x, double *b)
4427758a8cdSBarry Smith **************************************xyt.h***********************************/
443*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_solve(xyt_ADT,PetscScalar*,PetscScalar*);
4447758a8cdSBarry Smith 
4457758a8cdSBarry Smith 
4467758a8cdSBarry Smith /*************************************xyt.h************************************
4477758a8cdSBarry Smith Function: XYT_stats
4487758a8cdSBarry Smith 
4497758a8cdSBarry Smith Input : handle
4507758a8cdSBarry Smith **************************************xyt.h***********************************/
451*38dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_stats(xyt_ADT);
4527758a8cdSBarry Smith 
4537758a8cdSBarry Smith 
4547758a8cdSBarry Smith /********************************bit_mask.h************************************
4557758a8cdSBarry Smith 
4567758a8cdSBarry Smith Author: Henry M. Tufo III
4577758a8cdSBarry Smith 
4587758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
4597758a8cdSBarry Smith 
4607758a8cdSBarry Smith snail-mail:
4617758a8cdSBarry Smith Division of Applied Mathematics
4627758a8cdSBarry Smith Brown University
4637758a8cdSBarry Smith Providence, RI 02912
4647758a8cdSBarry Smith 
4657758a8cdSBarry Smith Last Modification:
4667758a8cdSBarry Smith 11.21.97
4677758a8cdSBarry Smith *********************************bit_mask.h***********************************/
4686b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_div_ceil(PetscInt,PetscInt);
4696b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_set_bit_mask(PetscInt*,PetscInt,PetscInt);
4706b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_bit_mask(PetscInt);
4716b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ct_bits(char*, PetscInt);
4726b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_bm_to_proc(char*,PetscInt,PetscInt*);
4736b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_buf(PetscInt, PetscInt);
4747758a8cdSBarry Smith 
4757758a8cdSBarry Smith #endif
4767758a8cdSBarry Smith 
477