xref: /petsc/src/mat/impls/sell/mpi/mpisell.h (revision dbbe0bcd3f3a8fbab5a45420dc06f8387e5764c6)
1d4002b98SHong Zhang 
2d4002b98SHong Zhang #if !defined(__MPISELL_H)
3d4002b98SHong Zhang #define __MPISELL_H
4d4002b98SHong Zhang #endif
5d4002b98SHong Zhang #include <../src/mat/impls/sell/seq/sell.h>
6d4002b98SHong Zhang 
7d4002b98SHong Zhang typedef struct {
8d4002b98SHong Zhang   Mat A,B;                             /* local submatrices: A (diag part),
9d4002b98SHong Zhang                                            B (off-diag part) */
10d4002b98SHong Zhang   PetscMPIInt size;                     /* size of communicator */
11d4002b98SHong Zhang   PetscMPIInt rank;                     /* rank of proc in communicator */
12d4002b98SHong Zhang 
13d4002b98SHong Zhang   /* The following variables are used for matrix assembly */
14d4002b98SHong Zhang   PetscBool   donotstash;               /* PETSC_TRUE if off processor entries dropped */
15d4002b98SHong Zhang   MPI_Request *send_waits;              /* array of send requests */
16d4002b98SHong Zhang   MPI_Request *recv_waits;              /* array of receive requests */
17d4002b98SHong Zhang   PetscInt    nsends,nrecvs;           /* numbers of sends and receives */
18d4002b98SHong Zhang   PetscScalar *svalues,*rvalues;       /* sending and receiving data */
19d4002b98SHong Zhang   PetscInt    rmax;                     /* maximum message length */
20d4002b98SHong Zhang #if defined(PETSC_USE_CTABLE)
21d4002b98SHong Zhang   PetscTable colmap;
22d4002b98SHong Zhang #else
23d4002b98SHong Zhang   PetscInt *colmap;                     /* local col number of off-diag col */
24d4002b98SHong Zhang #endif
25d4002b98SHong Zhang   PetscInt *garray;                     /* global index of all off-processor columns */
26d4002b98SHong Zhang 
27d4002b98SHong Zhang   /* The following variables are used for matrix-vector products */
28d4002b98SHong Zhang   Vec        lvec;                 /* local vector */
29d4002b98SHong Zhang   Vec        diag;
30d4002b98SHong Zhang   VecScatter Mvctx;                /* scatter context for vector */
31d4002b98SHong Zhang   PetscBool  roworiented;          /* if true, row-oriented input, default true */
32d4002b98SHong Zhang 
33d4002b98SHong Zhang   /* The following variables are for MatGetRow() */
34d4002b98SHong Zhang   PetscInt    *rowindices;         /* column indices for row */
35d4002b98SHong Zhang   PetscScalar *rowvalues;          /* nonzero values in row */
36d4002b98SHong Zhang   PetscBool   getrowactive;        /* indicates MatGetRow(), not restored */
37d4002b98SHong Zhang 
38d4002b98SHong Zhang   PetscInt *ld;                    /* number of entries per row left of diagona block */
39d4002b98SHong Zhang } Mat_MPISELL;
40d4002b98SHong Zhang 
41d4002b98SHong Zhang PETSC_EXTERN PetscErrorCode MatCreate_MPISELL(Mat);
42d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatSetUpMultiply_MPISELL(Mat);
43d4002b98SHong Zhang 
44d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatDisAssemble_MPISELL(Mat);
45d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatDuplicate_MPISELL(Mat,MatDuplicateOption,Mat*);
46d4002b98SHong Zhang 
47d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatDestroy_MPISELL_PtAP(Mat);
48d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatDestroy_MPISELL(Mat);
49d4002b98SHong Zhang 
50d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatSetValues_MPISELL(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar [],InsertMode);
51d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatSetOption_MPISELL(Mat,MatOption,PetscBool);
52d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatGetSeqNonzeroStructure_MPISELL(Mat,Mat*);
53d4002b98SHong Zhang 
54*dbbe0bcdSBarry Smith PETSC_INTERN PetscErrorCode MatSetFromOptions_MPISELL(Mat,PetscOptionItems*);
55d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatMPISELLSetPreallocation_MPISELL(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
56d4002b98SHong Zhang 
57d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatConvert_MPISELL_MPIAIJ(Mat,MatType,MatReuse,Mat*);
58d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatConvert_MPIAIJ_MPISELL(Mat,MatType,MatReuse,Mat*);
59d4002b98SHong Zhang 
60d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatSOR_MPISELL(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
61d4002b98SHong Zhang 
62d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatCreateColmap_MPISELL_Private(Mat);
63d4002b98SHong Zhang PETSC_INTERN PetscErrorCode MatDiagonalScaleLocal_MPISELL(Mat,Vec);
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