xref: /petsc/src/ksp/pc/impls/tfs/tfs.h (revision 6ae68b59b00028bc0b4bcac6e1dc29f8d4e2af92)
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 #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)
827758a8cdSBarry Smith #define SWAP(a,b)       temp=(a); (a)=(b); (b)=temp;
837758a8cdSBarry Smith #define P_SWAP(a,b)     ptr =(a); (a)=(b); (b)=ptr;
847758a8cdSBarry Smith 
858cda6cd7SBarry Smith #define MAX_FABS(x,y)   (PetscAbsScalar(x)>PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
868cda6cd7SBarry Smith #define MIN_FABS(x,y)   (PetscAbsScalar(x)<PetscAbsScalar(y)) ? ((PetscScalar)x) : ((PetscScalar)y)
877758a8cdSBarry Smith 
887758a8cdSBarry Smith /* specer's existence ... can be done w/MAX_ABS */
897758a8cdSBarry Smith #define EXISTS(x,y)     ((x)==0.0) ? (y) : (x)
907758a8cdSBarry Smith 
917758a8cdSBarry Smith #define MULT_NEG_ONE(a) (a) *= -1;
927758a8cdSBarry Smith #define NEG(a)          (a) |= BIT_31;
937758a8cdSBarry Smith #define POS(a)          (a) &= INT_MAX;
947758a8cdSBarry Smith 
957758a8cdSBarry Smith /**********************************types.h*************************************
967758a8cdSBarry Smith 
977758a8cdSBarry Smith Author: Henry M. Tufo III
987758a8cdSBarry Smith 
997758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
1007758a8cdSBarry Smith 
1017758a8cdSBarry Smith snail-mail:
1027758a8cdSBarry Smith Division of Applied Mathematics
1037758a8cdSBarry Smith Brown University
1047758a8cdSBarry Smith Providence, RI 02912
1057758a8cdSBarry Smith 
1067758a8cdSBarry Smith Last Modification:
1077758a8cdSBarry Smith 6.21.97
1087758a8cdSBarry Smith ***********************************types.h************************************/
1097758a8cdSBarry Smith 
1106e4f4d19SBarry Smith typedef PetscErrorCode (*vfp)(void*,void*,PetscInt,...);
1116b967228SBarry Smith typedef PetscErrorCode (*rbfp)(PetscScalar*, PetscScalar*, PetscInt);
1126b967228SBarry Smith typedef PetscInt (*bfp)(void*, void*, PetscInt*, MPI_Datatype*);
1137758a8cdSBarry Smith 
1147758a8cdSBarry Smith /***********************************comm.h*************************************
1157758a8cdSBarry Smith 
1167758a8cdSBarry Smith Author: Henry M. Tufo III
1177758a8cdSBarry Smith 
1187758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
1197758a8cdSBarry Smith 
1207758a8cdSBarry Smith snail-mail:
1217758a8cdSBarry Smith Division of Applied Mathematics
1227758a8cdSBarry Smith Brown University
1237758a8cdSBarry Smith Providence, RI 02912
1247758a8cdSBarry Smith 
1257758a8cdSBarry Smith Last Modification:
1267758a8cdSBarry Smith 6.21.97
1277758a8cdSBarry Smith ***********************************comm.h*************************************/
1285a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_my_id;
1295a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_num_nodes;
1305a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_floor_num_nodes;
1315a576424SJed Brown PETSC_INTERN PetscMPIInt PCTFS_i_log2_num_nodes;
1327758a8cdSBarry Smith 
1336b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_giop(PetscInt*,PetscInt*,PetscInt,PetscInt*);
1346b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_grop(PetscScalar*,PetscScalar*,PetscInt,PetscInt*);
1355a576424SJed Brown PETSC_INTERN PetscErrorCode PCTFS_comm_init(void);
1366b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_giop_hc(PetscInt*,PetscInt*,PetscInt,PetscInt*,PetscInt);
1376b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_grop_hc(PetscScalar*,PetscScalar*,PetscInt,PetscInt*,PetscInt);
1386b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ssgl_radd(PetscScalar*,PetscScalar*,PetscInt,PetscInt*);
1397758a8cdSBarry Smith 
1407758a8cdSBarry Smith #define MSGTAG0 101
1417758a8cdSBarry Smith #define MSGTAG1 1001
1427758a8cdSBarry Smith #define MSGTAG2 76207
1437758a8cdSBarry Smith #define MSGTAG3 100001
1447758a8cdSBarry Smith #define MSGTAG4 163841
1457758a8cdSBarry Smith #define MSGTAG5 249439
1467758a8cdSBarry Smith #define MSGTAG6 10000001
1477758a8cdSBarry Smith 
1487758a8cdSBarry Smith #define NON_UNIFORM     0
1497758a8cdSBarry Smith #define GL_MAX          1
1507758a8cdSBarry Smith #define GL_MIN          2
1517758a8cdSBarry Smith #define GL_MULT         3
1527758a8cdSBarry Smith #define GL_ADD          4
1537758a8cdSBarry Smith #define GL_B_XOR        5
1547758a8cdSBarry Smith #define GL_B_OR         6
1557758a8cdSBarry Smith #define GL_B_AND        7
1567758a8cdSBarry Smith #define GL_L_XOR        8
1577758a8cdSBarry Smith #define GL_L_OR         9
1587758a8cdSBarry Smith #define GL_L_AND        10
1597758a8cdSBarry Smith #define GL_MAX_ABS      11
1607758a8cdSBarry Smith #define GL_MIN_ABS      12
1617758a8cdSBarry Smith #define GL_EXISTS       13
1627758a8cdSBarry Smith 
1636b967228SBarry Smith PETSC_INTERN PetscInt       *PCTFS_ivec_copy(PetscInt*,PetscInt*,PetscInt);
1646b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_zero(PetscInt*, PetscInt);
1656b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_set(PetscInt*,PetscInt,PetscInt);
1667758a8cdSBarry Smith 
1676b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_lb(PetscInt*,PetscInt);
1686b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_ub(PetscInt*,PetscInt);
1696b967228SBarry Smith PETSC_INTERN PetscInt PCTFS_ivec_sum(PetscInt*,PetscInt);
1706b967228SBarry Smith PETSC_INTERN vfp      PCTFS_ivec_fct_addr(PetscInt);
1717758a8cdSBarry Smith 
172*6ae68b59SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_non_uniform(PetscInt*,PetscInt*,PetscInt,...);
1736b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_max(PetscInt*,PetscInt*,PetscInt);
1746b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_min(PetscInt*,PetscInt*,PetscInt);
1756b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_mult(PetscInt*,PetscInt*,PetscInt);
1766b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_add(PetscInt*,PetscInt*,PetscInt);
1776b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_xor(PetscInt*,PetscInt*,PetscInt);
1786b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_or(PetscInt*,PetscInt*,PetscInt);
1796b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_and(PetscInt*,PetscInt*,PetscInt);
1806b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_lxor(PetscInt*,PetscInt*,PetscInt);
1816b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_lor(PetscInt*,PetscInt*,PetscInt);
1826b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_land(PetscInt*,PetscInt*,PetscInt);
1836b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_and3(PetscInt*,PetscInt*,PetscInt*,PetscInt);
1847758a8cdSBarry Smith 
1856b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion(PetscInt*,PetscInt*,PetscInt);
1866b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort(PetscInt*,PetscInt);
1876b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_SMI_sort(void*,void*,PetscInt,PetscInt);
1886b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ivec_binary_search(PetscInt,PetscInt*,PetscInt);
1896b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ivec_linear_search(PetscInt,PetscInt*,PetscInt);
1907758a8cdSBarry Smith 
1916b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_ivec_sort_companion_hack(PetscInt*,PetscInt**,PetscInt);
1927758a8cdSBarry Smith 
1936e4f4d19SBarry Smith #define SORT_INTEGER 1
1946e4f4d19SBarry Smith #define SORT_INT_PTR 2
1957758a8cdSBarry Smith 
1966b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_zero(PetscScalar*,PetscInt);
1976b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_one(PetscScalar*,PetscInt);
1986b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_set(PetscScalar*,PetscScalar,PetscInt);
1996b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_copy(PetscScalar*,PetscScalar*,PetscInt);
2006b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_scale(PetscScalar*,PetscScalar,PetscInt);
2017758a8cdSBarry Smith 
2026b967228SBarry Smith PETSC_INTERN vfp            PCTFS_rvec_fct_addr(PetscInt);
2036b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_add(PetscScalar*,PetscScalar*,PetscInt);
2046b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_mult(PetscScalar*,PetscScalar*,PetscInt);
2056b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_max(PetscScalar*,PetscScalar*,PetscInt);
2066b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_max_abs(PetscScalar*,PetscScalar*,PetscInt);
2076b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_min(PetscScalar*,PetscScalar*,PetscInt);
2086b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_rvec_min_abs(PetscScalar*,PetscScalar*,PetscInt);
2096b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_vec_exists(PetscScalar*,PetscScalar*,PetscInt);
2107758a8cdSBarry Smith 
2117758a8cdSBarry Smith /***********************************gs.h***************************************
2127758a8cdSBarry Smith 
2137758a8cdSBarry Smith Author: Henry M. Tufo III
2147758a8cdSBarry Smith 
2157758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
2167758a8cdSBarry Smith 
2177758a8cdSBarry Smith snail-mail:
2187758a8cdSBarry Smith Division of Applied Mathematics
2197758a8cdSBarry Smith Brown University
2207758a8cdSBarry Smith Providence, RI 02912
2217758a8cdSBarry Smith 
2227758a8cdSBarry Smith Last Modification:
2237758a8cdSBarry Smith 6.21.97
2247758a8cdSBarry Smith ************************************gs.h**************************************/
2257758a8cdSBarry Smith 
226ca8e9878SJed Brown typedef struct gather_scatter_id *PCTFS_gs_ADT;
2277758a8cdSBarry Smith 
2286b967228SBarry Smith PETSC_INTERN PCTFS_gs_ADT   PCTFS_gs_init(PetscInt*,PetscInt,PetscInt);
2296b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_gop_vec(PCTFS_gs_ADT,PetscScalar*,const char*,PetscInt);
2306b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_gop_hc(PCTFS_gs_ADT,PetscScalar*,const char*,PetscInt);
2316b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_free(PCTFS_gs_ADT);
2326b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_init_msg_buf_sz(PetscInt);
2336b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_gs_init_vec_sz(PetscInt);
2347758a8cdSBarry Smith 
2357758a8cdSBarry Smith /*************************************xxt.h************************************
2367758a8cdSBarry Smith Module Name: xxt
2377758a8cdSBarry Smith Module Info: need xxt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}
2387758a8cdSBarry Smith 
2397758a8cdSBarry Smith author:  Henry M. Tufo III
2407758a8cdSBarry Smith e-mail:  hmt@asci.uchicago.edu
2417758a8cdSBarry Smith contact:
2427758a8cdSBarry Smith +--------------------------------+--------------------------------+
2437758a8cdSBarry Smith |MCS Division - Building 221     |Department of Computer Science  |
2447758a8cdSBarry Smith |Argonne National Laboratory     |Ryerson 152                     |
2457758a8cdSBarry Smith |9700 S. Cass Avenue             |The University of Chicago       |
2467758a8cdSBarry Smith |Argonne, IL  60439              |Chicago, IL  60637              |
2477758a8cdSBarry Smith |(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
2487758a8cdSBarry Smith +--------------------------------+--------------------------------+
2497758a8cdSBarry Smith 
2507758a8cdSBarry Smith Last Modification: 3.20.01
2517758a8cdSBarry Smith **************************************xxt.h***********************************/
2527758a8cdSBarry Smith 
2537758a8cdSBarry Smith typedef struct xxt_CDT *xxt_ADT;
2547758a8cdSBarry Smith 
2557758a8cdSBarry Smith /*************************************xxt.h************************************
2567758a8cdSBarry Smith Function: XXT_new()
2577758a8cdSBarry Smith 
2587758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
2597758a8cdSBarry Smith Description: This function allocates and returns an xxt handle
2607758a8cdSBarry Smith Usage: xxt_handle = xxt_new();
2617758a8cdSBarry Smith **************************************xxt.h***********************************/
2625a576424SJed Brown PETSC_INTERN xxt_ADT XXT_new(void);
2637758a8cdSBarry Smith 
2647758a8cdSBarry Smith /*************************************xxt.h************************************
2657758a8cdSBarry Smith Function: XXT_free()
2667758a8cdSBarry Smith 
2677758a8cdSBarry Smith Input : pointer to ADT.
2686e4f4d19SBarry Smith 
2697758a8cdSBarry Smith Description: This function frees the storage associated with an xxt handle
2707758a8cdSBarry Smith Usage: XXT_free(xxt_handle);
2717758a8cdSBarry Smith **************************************xxt.h***********************************/
2726b967228SBarry Smith PETSC_INTERN PetscInt XXT_free(xxt_ADT);
2737758a8cdSBarry Smith 
2747758a8cdSBarry Smith /*************************************xxt.h************************************
2757758a8cdSBarry Smith Function: XXT_factor
2767758a8cdSBarry Smith 
2777758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
2787758a8cdSBarry Smith Return: 0 on failure, 1 on success
2797758a8cdSBarry Smith Description: This function sets the xxt solver
2807758a8cdSBarry Smith 
2817758a8cdSBarry Smith xxt assumptions: given n rows of global coarse matrix (E_loc) where
2827758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
2837758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
2847758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
2857758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
2867758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
2877758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
2887758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
2897758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
2907758a8cdSBarry Smith    (note that gs package takes care of communication).
2917758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
2927758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
2937758a8cdSBarry Smith 
2947758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XXT_factor routine
2957758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
2967758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
2977758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
2987758a8cdSBarry Smith    o grid_data used in
2997758a8cdSBarry Smith       A_matvec(grid_data,v,u);
3007758a8cdSBarry Smith 
3017758a8cdSBarry Smith Usage:
3027758a8cdSBarry Smith **************************************xxt.h***********************************/
30338dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_factor(xxt_ADT,     /* prev. allocated xxt  handle */
3046b967228SBarry Smith                            PetscInt*, /* global column mapping       */
3056b967228SBarry Smith                            PetscInt,             /* local num rows              */
3066b967228SBarry Smith                            PetscInt,             /* local num cols              */
3076b967228SBarry Smith                            PetscErrorCode (*)(void*,PetscScalar*,PetscScalar*),    /* b_loc=A_local.x_loc         */
3086b967228SBarry Smith                            void*);       /* grid data for matvec        */
3097758a8cdSBarry Smith 
3107758a8cdSBarry Smith /*************************************xxt.h************************************
3117758a8cdSBarry Smith Function: XXT_solve
3127758a8cdSBarry Smith 
3137758a8cdSBarry Smith Input : ADT ptr, b (rhs)
3147758a8cdSBarry Smith Output: x (soln)
3157758a8cdSBarry Smith Return:
3167758a8cdSBarry Smith Description: This function performs x = E^-1.b
3177758a8cdSBarry Smith Usage:
3187758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, double *b)
3197758a8cdSBarry Smith XXT_solve(xxt_handle, double *x, NULL)
3207758a8cdSBarry Smith assumes x has been initialized to be b
3217758a8cdSBarry Smith **************************************xxt.h***********************************/
32238dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_solve(xxt_ADT,PetscScalar*,PetscScalar*);
3237758a8cdSBarry Smith 
3247758a8cdSBarry Smith /*************************************xxt.h************************************
3257758a8cdSBarry Smith Function: XXT_stats
3267758a8cdSBarry Smith 
3277758a8cdSBarry Smith Input : handle
3287758a8cdSBarry Smith **************************************xxt.h***********************************/
32938dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XXT_stats(xxt_ADT);
3307758a8cdSBarry Smith 
3317758a8cdSBarry Smith /*************************************xxt.h************************************
3327758a8cdSBarry Smith Function: XXT_sp_1()
3337758a8cdSBarry Smith 
3347758a8cdSBarry Smith Input : pointer to ADT
3357758a8cdSBarry Smith Output:
3367758a8cdSBarry Smith Return:
3377758a8cdSBarry Smith Description: sets xxt parameter 1 in xxt_handle
3387758a8cdSBarry Smith Usage: implement later
3397758a8cdSBarry Smith 
3407758a8cdSBarry Smith void XXT_sp_1(xxt_handle,parameter 1 value)
3417758a8cdSBarry Smith **************************************xxt.h***********************************/
3427758a8cdSBarry Smith 
3437758a8cdSBarry Smith /*************************************xyt.h************************************
3447758a8cdSBarry Smith Module Name: xyt
3457758a8cdSBarry Smith Module Info: need xyt.{c,h} gs.{c,h} comm.{c,h} ivec.{c,h} error.{c,h}
3467758a8cdSBarry Smith 
3477758a8cdSBarry Smith author:  Henry M. Tufo III
3487758a8cdSBarry Smith e-mail:  hmt@asci.uchicago.edu
3497758a8cdSBarry Smith contact:
3507758a8cdSBarry Smith +--------------------------------+--------------------------------+
3517758a8cdSBarry Smith |MCS Division - Building 221     |Department of Computer Science  |
3527758a8cdSBarry Smith |Argonne National Laboratory     |Ryerson 152                     |
3537758a8cdSBarry Smith |9700 S. Cass Avenue             |The University of Chicago       |
3547758a8cdSBarry Smith |Argonne, IL  60439              |Chicago, IL  60637              |
3557758a8cdSBarry Smith |(630) 252-5354/5986 ph/fx       |(773) 702-6019/8487 ph/fx       |
3567758a8cdSBarry Smith +--------------------------------+--------------------------------+
3577758a8cdSBarry Smith 
3587758a8cdSBarry Smith Last Modification: 3.20.01
3597758a8cdSBarry Smith **************************************xyt.h***********************************/
3607758a8cdSBarry Smith 
3617758a8cdSBarry Smith typedef struct xyt_CDT *xyt_ADT;
3627758a8cdSBarry Smith 
3637758a8cdSBarry Smith /*************************************xyt.h************************************
3647758a8cdSBarry Smith Function: XYT_new()
3657758a8cdSBarry Smith 
3667758a8cdSBarry Smith Return: ADT ptr or NULL upon failure.
3677758a8cdSBarry Smith Description: This function allocates and returns an xyt handle
3687758a8cdSBarry Smith Usage: xyt_handle = xyt_new();
3697758a8cdSBarry Smith **************************************xyt.h***********************************/
3705a576424SJed Brown PETSC_INTERN xyt_ADT XYT_new(void);
3717758a8cdSBarry Smith 
3727758a8cdSBarry Smith /*************************************xyt.h************************************
3737758a8cdSBarry Smith Function: XYT_free()
3747758a8cdSBarry Smith 
3757758a8cdSBarry Smith Input : pointer to ADT.
3767758a8cdSBarry Smith Description: This function frees the storage associated with an xyt handle
3777758a8cdSBarry Smith Usage: XYT_free(xyt_handle);
3787758a8cdSBarry Smith **************************************xyt.h***********************************/
37938dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_free(xyt_ADT);
3807758a8cdSBarry Smith 
3817758a8cdSBarry Smith /*************************************xyt.h************************************
3827758a8cdSBarry Smith Function: XYT_factor
3837758a8cdSBarry Smith 
3847758a8cdSBarry Smith Input : ADT ptr,  and pointer to object
3857758a8cdSBarry Smith Output:
3867758a8cdSBarry Smith Return: 0 on failure, 1 on success
3877758a8cdSBarry Smith Description: This function sets the xyt solver
3887758a8cdSBarry Smith 
3897758a8cdSBarry Smith xyt assumptions: given n rows of global coarse matrix (E_loc) where
3907758a8cdSBarry Smith    o global dofs N = sum_p(n), p=0,P-1
3917758a8cdSBarry Smith    (i.e. row dist. with no dof replication)
3927758a8cdSBarry Smith    (5.21.00 will handle dif replication case)
3937758a8cdSBarry Smith    o m is the number of columns in E_loc (m>=n)
3947758a8cdSBarry Smith    o local2global holds global number of column i (i=0,...,m-1)
3957758a8cdSBarry Smith    o local2global holds global number of row    i (i=0,...,n-1)
3967758a8cdSBarry Smith    o mylocmatvec performs E_loc . x_loc where x_loc is an vector of
3977758a8cdSBarry Smith    length m in 1-1 correspondence with local2global
3987758a8cdSBarry Smith    (note that gs package takes care of communication).
3997758a8cdSBarry Smith    (note do not zero out upper m-n entries!)
4007758a8cdSBarry Smith    o mylocmatvec(void *grid_data, double *in, double *out)
4017758a8cdSBarry Smith 
4027758a8cdSBarry Smith ML beliefs/usage: move this to to ML_XYT_factor routine
4037758a8cdSBarry Smith    o my_ml holds address of ML struct associated w/E_loc, grid_data, grid_tag
4047758a8cdSBarry Smith    o grid_tag, grid_data, my_ml used in
4057758a8cdSBarry Smith       ML_Set_CSolve(my_ml, grid_tag, grid_data, ML_Do_CoarseDirect);
4067758a8cdSBarry Smith    o grid_data used in
4077758a8cdSBarry Smith       A_matvec(grid_data,v,u);
4087758a8cdSBarry Smith 
4097758a8cdSBarry Smith Usage:
4107758a8cdSBarry Smith **************************************xyt.h***********************************/
41138dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_factor(xyt_ADT,     /* prev. allocated xyt  handle */
4126b967228SBarry Smith                            PetscInt*, /* global column mapping       */
4136b967228SBarry Smith                            PetscInt,             /* local num rows              */
4146b967228SBarry Smith                            PetscInt,             /* local num cols              */
4156b967228SBarry Smith                            PetscErrorCode (*)(void*,PetscScalar*,PetscScalar*), /* b_loc=A_local.x_loc         */
4166b967228SBarry Smith                            void*);       /* grid data for matvec        */
4177758a8cdSBarry Smith 
4187758a8cdSBarry Smith /*************************************xyt.h************************************
4197758a8cdSBarry Smith Function: XYT_solve
4207758a8cdSBarry Smith 
4217758a8cdSBarry Smith Input : ADT ptr, b (rhs)
4227758a8cdSBarry Smith Output: x (soln)
4237758a8cdSBarry Smith Return:
4247758a8cdSBarry Smith Description: This function performs x = E^-1.b
4257758a8cdSBarry Smith Usage: XYT_solve(xyt_handle, double *x, double *b)
4267758a8cdSBarry Smith **************************************xyt.h***********************************/
42738dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_solve(xyt_ADT,PetscScalar*,PetscScalar*);
4287758a8cdSBarry Smith 
4297758a8cdSBarry Smith /*************************************xyt.h************************************
4307758a8cdSBarry Smith Function: XYT_stats
4317758a8cdSBarry Smith 
4327758a8cdSBarry Smith Input : handle
4337758a8cdSBarry Smith **************************************xyt.h***********************************/
43438dcbb09SBarry Smith PETSC_INTERN PetscErrorCode XYT_stats(xyt_ADT);
4357758a8cdSBarry Smith 
4367758a8cdSBarry Smith /********************************bit_mask.h************************************
4377758a8cdSBarry Smith 
4387758a8cdSBarry Smith Author: Henry M. Tufo III
4397758a8cdSBarry Smith 
4407758a8cdSBarry Smith e-mail: hmt@cs.brown.edu
4417758a8cdSBarry Smith 
4427758a8cdSBarry Smith snail-mail:
4437758a8cdSBarry Smith Division of Applied Mathematics
4447758a8cdSBarry Smith Brown University
4457758a8cdSBarry Smith Providence, RI 02912
4467758a8cdSBarry Smith 
4477758a8cdSBarry Smith Last Modification:
4487758a8cdSBarry Smith 11.21.97
4497758a8cdSBarry Smith *********************************bit_mask.h***********************************/
4506b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_div_ceil(PetscInt,PetscInt);
4516b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_set_bit_mask(PetscInt*,PetscInt,PetscInt);
4526b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_bit_mask(PetscInt);
4536b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_ct_bits(char*, PetscInt);
4546b967228SBarry Smith PETSC_INTERN PetscErrorCode PCTFS_bm_to_proc(char*,PetscInt,PetscInt*);
4556b967228SBarry Smith PETSC_INTERN PetscInt       PCTFS_len_buf(PetscInt, PetscInt);
4567758a8cdSBarry Smith 
4577758a8cdSBarry Smith #endif
4587758a8cdSBarry Smith 
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