xref: /petsc/src/ksp/pc/impls/tfs/tfs.h (revision 6524c165f7ddaf30fd7457737f668f984c8ababf)
17758a8cdSBarry Smith 
2*6524c165SJacob Faibussowitsch #ifndef __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 #define THRESH      0.2
367758a8cdSBarry Smith #define N_HALF      4096
377758a8cdSBarry Smith #define PRIV_BUF_SZ 45
387758a8cdSBarry Smith 
397758a8cdSBarry Smith /*4096 8192 32768 65536 1048576 */
407758a8cdSBarry Smith #define MAX_MSG_BUF 32768
417758a8cdSBarry Smith 
427758a8cdSBarry Smith #define FULL    2
437758a8cdSBarry Smith #define PARTIAL 1
447758a8cdSBarry Smith #define NONE    0
457758a8cdSBarry Smith 
467758a8cdSBarry Smith #define BYTE    8
477758a8cdSBarry Smith #define BIT_0   0x1
487758a8cdSBarry Smith #define BIT_1   0x2
497758a8cdSBarry Smith #define BIT_2   0x4
507758a8cdSBarry Smith #define BIT_3   0x8
517758a8cdSBarry Smith #define BIT_4   0x10
527758a8cdSBarry Smith #define BIT_5   0x20
537758a8cdSBarry Smith #define BIT_6   0x40
547758a8cdSBarry Smith #define BIT_7   0x80
55ab824b78SBarry Smith #define TOP_BIT PETSC_MIN_INT
567758a8cdSBarry Smith 
577758a8cdSBarry Smith #define C 0
587758a8cdSBarry Smith 
597758a8cdSBarry Smith #define MAX_VEC     1674
607758a8cdSBarry Smith #define FORMAT      30
617758a8cdSBarry Smith #define MAX_COL_LEN 100
627758a8cdSBarry Smith #define MAX_LINE    FORMAT *MAX_COL_LEN
637758a8cdSBarry Smith #define DELIM       " \n \t"
647758a8cdSBarry Smith #define LINE        12
657758a8cdSBarry Smith #define C_LINE      80
667758a8cdSBarry Smith 
677758a8cdSBarry Smith #define UT       5 /* dump upper 1/2 */
687758a8cdSBarry Smith #define LT       6 /* dump lower 1/2 */
697758a8cdSBarry Smith #define SYMM     8 /* we assume symm and dump upper 1/2 */
707758a8cdSBarry Smith #define NON_SYMM 9
717758a8cdSBarry Smith 
727758a8cdSBarry Smith #define ROW 10
737758a8cdSBarry Smith #define COL 11
747758a8cdSBarry Smith 
757758a8cdSBarry Smith #define EPS  1.0e-14
767758a8cdSBarry Smith #define EPS2 1.0e-07
777758a8cdSBarry Smith 
787758a8cdSBarry Smith #define MPI 1
797758a8cdSBarry Smith #define NX  2
807758a8cdSBarry Smith 
817758a8cdSBarry Smith #define LOG2(x) (PetscScalar) log((double)x) / log(2)
829371c9d4SSatish Balay #define SWAP(a, b) \
839371c9d4SSatish Balay   temp = (a); \
849371c9d4SSatish Balay   (a)  = (b); \
859371c9d4SSatish Balay   (b)  = temp;
869371c9d4SSatish Balay #define P_SWAP(a, b) \
879371c9d4SSatish Balay   ptr = (a); \
889371c9d4SSatish Balay   (a) = (b); \
899371c9d4SSatish Balay   (b) = ptr;
907758a8cdSBarry Smith 
918cda6cd7SBarry Smith #define MAX_FABS(x, y) (PetscAbsScalar(x) > PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
928cda6cd7SBarry Smith #define MIN_FABS(x, y) (PetscAbsScalar(x) < PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
937758a8cdSBarry Smith 
947758a8cdSBarry Smith /* specer's existence ... can be done w/MAX_ABS */
957758a8cdSBarry Smith #define EXISTS(x, y) ((x) == 0.0) ? (y) : (x)
967758a8cdSBarry Smith 
977758a8cdSBarry Smith #define MULT_NEG_ONE(a) (a) *= -1;
987758a8cdSBarry Smith #define NEG(a)          (a) |= BIT_31;
997758a8cdSBarry Smith #define POS(a)          (a) &= INT_MAX;
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 
1786ae68b59SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_non_uniform(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 /*************************************xxt.h************************************
2627758a8cdSBarry Smith Function: XXT_new()
2637758a8cdSBarry Smith 
2647758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
2657758a8cdSBarry Smith Description: This function allocates and returns an xxt handle
2667758a8cdSBarry Smith Usage: xxt_handle = xxt_new();
2677758a8cdSBarry Smith **************************************xxt.h***********************************/
2685a576424SJed Brown PETSC_INTERN xxt_ADT XXT_new(void);
2697758a8cdSBarry Smith 
2707758a8cdSBarry Smith /*************************************xxt.h************************************
2717758a8cdSBarry Smith Function: XXT_free()
2727758a8cdSBarry Smith 
2737758a8cdSBarry Smith Input : pointer to ADT.
2746e4f4d19SBarry Smith 
2757758a8cdSBarry Smith Description: This function frees the storage associated with an xxt handle
2767758a8cdSBarry Smith Usage: XXT_free(xxt_handle);
2777758a8cdSBarry Smith **************************************xxt.h***********************************/
2786b967228SBarry Smith PETSC_INTERN PetscInt XXT_free(xxt_ADT);
2797758a8cdSBarry Smith 
2807758a8cdSBarry Smith /*************************************xxt.h************************************
2817758a8cdSBarry Smith Function: XXT_factor
2827758a8cdSBarry Smith 
2837758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
2847758a8cdSBarry Smith Return: 0 on failure, 1 on success
2857758a8cdSBarry Smith Description: This function sets the xxt solver
2867758a8cdSBarry Smith 
2877758a8cdSBarry Smith xxt assumptions: given n rows of global coarse matrix (E_loc) where
2887758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
2897758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
2907758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
2917758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
2927758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
2937758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
2947758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
2957758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
2967758a8cdSBarry Smith    (note that gs package takes care of communication).
2977758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
2987758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
2997758a8cdSBarry Smith 
3007758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XXT_factor routine
3017758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
3027758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
3037758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
3047758a8cdSBarry Smith    o grid_data used in
3057758a8cdSBarry Smith       A_matvec(grid_data,v,u);
3067758a8cdSBarry Smith 
3077758a8cdSBarry Smith Usage:
3087758a8cdSBarry Smith **************************************xxt.h***********************************/
30938dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_factor(xxt_ADT,                                                  /* prev. allocated xxt  handle */
3106b967228SBarry Smith                                        PetscInt *,                                               /* global column mapping       */
3116b967228SBarry Smith                                        PetscInt,                                                 /* local num rows              */
3126b967228SBarry Smith                                        PetscInt,                                                 /* local num cols              */
3136b967228SBarry Smith                                        PetscErrorCode (*)(void *, PetscScalar *, PetscScalar *), /* b_loc=A_local.x_loc         */
3146b967228SBarry Smith                                        void *);                                                  /* grid data for matvec        */
3157758a8cdSBarry Smith 
3167758a8cdSBarry Smith /*************************************xxt.h************************************
3177758a8cdSBarry Smith Function: XXT_solve
3187758a8cdSBarry Smith 
3197758a8cdSBarry Smith Input : ADT ptr, b (rhs)
3207758a8cdSBarry Smith Output: x (soln)
3217758a8cdSBarry Smith Return:
3227758a8cdSBarry Smith Description: This function performs x = E^-1.b
3237758a8cdSBarry Smith Usage:
3247758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, double *b)
3257758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, NULL)
3267758a8cdSBarry Smith assumes x has been initialized to be b
3277758a8cdSBarry Smith **************************************xxt.h***********************************/
32838dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_solve(xxt_ADT, PetscScalar *, PetscScalar *);
3297758a8cdSBarry Smith 
3307758a8cdSBarry Smith /*************************************xxt.h************************************
3317758a8cdSBarry Smith Function: XXT_stats
3327758a8cdSBarry Smith 
3337758a8cdSBarry Smith Input : handle
3347758a8cdSBarry Smith **************************************xxt.h***********************************/
33538dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_stats(xxt_ADT);
3367758a8cdSBarry Smith 
3377758a8cdSBarry Smith /*************************************xxt.h************************************
3387758a8cdSBarry Smith Function: XXT_sp_1()
3397758a8cdSBarry Smith 
3407758a8cdSBarry Smith Input : pointer to ADT
3417758a8cdSBarry Smith Output:
3427758a8cdSBarry Smith Return:
3437758a8cdSBarry Smith Description: sets xxt parameter 1 in xxt_handle
3447758a8cdSBarry Smith Usage: implement later
3457758a8cdSBarry Smith 
3467758a8cdSBarry Smith void XXT_sp_1(xxt_handle,parameter 1 value)
3477758a8cdSBarry Smith **************************************xxt.h***********************************/
3487758a8cdSBarry Smith 
3497758a8cdSBarry Smith /*************************************xyt.h************************************
3507758a8cdSBarry Smith Module Name: xyt
3517758a8cdSBarry Smith Module Info: need xyt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}
3527758a8cdSBarry Smith 
3537758a8cdSBarry Smith author:  Henry M. Tufo III
3547758a8cdSBarry Smith e-mail:  hmt@asci.uchicago.edu
3557758a8cdSBarry Smith contact:
3567758a8cdSBarry Smith +--------------------------------+--------------------------------+
3577758a8cdSBarry Smith |MCS Division - Building 221     |Department of Computer Science  |
3587758a8cdSBarry Smith |Argonne National Laboratory     |Ryerson 152                     |
3597758a8cdSBarry Smith |9700 S. Cass Avenue             |The University of Chicago       |
3607758a8cdSBarry Smith |Argonne, IL  60439              |Chicago, IL  60637              |
3617758a8cdSBarry Smith |(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
3627758a8cdSBarry Smith +--------------------------------+--------------------------------+
3637758a8cdSBarry Smith 
3647758a8cdSBarry Smith Last Modification: 3.20.01
3657758a8cdSBarry Smith **************************************xyt.h***********************************/
3667758a8cdSBarry Smith 
3677758a8cdSBarry Smith typedef struct xyt_CDT *xyt_ADT;
3687758a8cdSBarry Smith 
3697758a8cdSBarry Smith /*************************************xyt.h************************************
3707758a8cdSBarry Smith Function: XYT_new()
3717758a8cdSBarry Smith 
3727758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
3737758a8cdSBarry Smith Description: This function allocates and returns an xyt handle
3747758a8cdSBarry Smith Usage: xyt_handle = xyt_new();
3757758a8cdSBarry Smith **************************************xyt.h***********************************/
3765a576424SJed Brown PETSC_INTERN xyt_ADT XYT_new(void);
3777758a8cdSBarry Smith 
3787758a8cdSBarry Smith /*************************************xyt.h************************************
3797758a8cdSBarry Smith Function: XYT_free()
3807758a8cdSBarry Smith 
3817758a8cdSBarry Smith Input : pointer to ADT.
3827758a8cdSBarry Smith Description: This function frees the storage associated with an xyt handle
3837758a8cdSBarry Smith Usage: XYT_free(xyt_handle);
3847758a8cdSBarry Smith **************************************xyt.h***********************************/
38538dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_free(xyt_ADT);
3867758a8cdSBarry Smith 
3877758a8cdSBarry Smith /*************************************xyt.h************************************
3887758a8cdSBarry Smith Function: XYT_factor
3897758a8cdSBarry Smith 
3907758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
3917758a8cdSBarry Smith Output:
3927758a8cdSBarry Smith Return: 0 on failure, 1 on success
3937758a8cdSBarry Smith Description: This function sets the xyt solver
3947758a8cdSBarry Smith 
3957758a8cdSBarry Smith xyt assumptions: given n rows of global coarse matrix (E_loc) where
3967758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
3977758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
3987758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
3997758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
4007758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
4017758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
4027758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
4037758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
4047758a8cdSBarry Smith    (note that gs package takes care of communication).
4057758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
4067758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
4077758a8cdSBarry Smith 
4087758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XYT_factor routine
4097758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
4107758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
4117758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
4127758a8cdSBarry Smith    o grid_data used in
4137758a8cdSBarry Smith       A_matvec(grid_data,v,u);
4147758a8cdSBarry Smith 
4157758a8cdSBarry Smith Usage:
4167758a8cdSBarry Smith **************************************xyt.h***********************************/
41738dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_factor(xyt_ADT,                                                  /* prev. allocated xyt  handle */
4186b967228SBarry Smith                                        PetscInt *,                                               /* global column mapping       */
4196b967228SBarry Smith                                        PetscInt,                                                 /* local num rows              */
4206b967228SBarry Smith                                        PetscInt,                                                 /* local num cols              */
4216b967228SBarry Smith                                        PetscErrorCode (*)(void *, PetscScalar *, PetscScalar *), /* b_loc=A_local.x_loc         */
4226b967228SBarry Smith                                        void *);                                                  /* grid data for matvec        */
4237758a8cdSBarry Smith 
4247758a8cdSBarry Smith /*************************************xyt.h************************************
4257758a8cdSBarry Smith Function: XYT_solve
4267758a8cdSBarry Smith 
4277758a8cdSBarry Smith Input : ADT ptr, b (rhs)
4287758a8cdSBarry Smith Output: x (soln)
4297758a8cdSBarry Smith Return:
4307758a8cdSBarry Smith Description: This function performs x = E^-1.b
4317758a8cdSBarry Smith Usage: XYT_solve(xyt_handle, double *x, double *b)
4327758a8cdSBarry Smith **************************************xyt.h***********************************/
43338dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_solve(xyt_ADT, PetscScalar *, PetscScalar *);
4347758a8cdSBarry Smith 
4357758a8cdSBarry Smith /*************************************xyt.h************************************
4367758a8cdSBarry Smith Function: XYT_stats
4377758a8cdSBarry Smith 
4387758a8cdSBarry Smith Input : handle
4397758a8cdSBarry Smith **************************************xyt.h***********************************/
44038dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_stats(xyt_ADT);
4417758a8cdSBarry Smith 
4427758a8cdSBarry Smith /********************************bit_mask.h************************************
4437758a8cdSBarry Smith 
4447758a8cdSBarry Smith Author: Henry M. Tufo III
4457758a8cdSBarry Smith 
4467758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
4477758a8cdSBarry Smith 
4487758a8cdSBarry Smith snail-mail:
4497758a8cdSBarry Smith Division of Applied Mathematics
4507758a8cdSBarry Smith Brown University
4517758a8cdSBarry Smith Providence, RI 02912
4527758a8cdSBarry Smith 
4537758a8cdSBarry Smith Last Modification:
4547758a8cdSBarry Smith 11.21.97
4557758a8cdSBarry Smith *********************************bit_mask.h***********************************/
4566b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_div_ceil(PetscInt, PetscInt);
4576b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_set_bit_mask(PetscInt *, PetscInt, PetscInt);
4586b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_bit_mask(PetscInt);
4596b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ct_bits(char *, PetscInt);
4606b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_bm_to_proc(char *, PetscInt, PetscInt *);
4616b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_buf(PetscInt, PetscInt);
4627758a8cdSBarry Smith 
4637758a8cdSBarry Smith #endif
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