xref: /petsc/src/mat/impls/sbaij/mpi/mpisbaij.h (revision e27a552be151e08936ff7d65f1f2e8dae4b63b83)
1 
2 #if !defined(__MPISBAIJ_H)
3 #define __MPISBAIJ_H
4 #include <../src/mat/impls/baij/seq/baij.h>
5 #include <../src/sys/ctable.h>
6 #include <../src/mat/impls/sbaij/seq/sbaij.h>
7 #include <../src/mat/impls/baij/mpi/mpibaij.h>
8 
9 typedef struct {
10   MPIBAIJHEADER;
11   Vec           slvec0,slvec1;            /* parallel vectors */
12   Vec           slvec0b,slvec1a,slvec1b;  /* seq vectors: local partition of slvec0 and slvec1 */
13   VecScatter    sMvctx;                   /* scatter context for vector used for reducing communication */
14 
15   Vec           diag;                     /* used in MatSOR_MPISBAIJ() with Eisenstat */
16   Vec           bb1,xx1;
17   /* these are used in MatSetValues() as tmp space before passing to the stasher */
18   PetscInt      n_loc,*in_loc;            /* nloc is length of in_loc and v_loc */
19   MatScalar     *v_loc;
20 } Mat_MPISBAIJ;
21 
22 extern PetscErrorCode MatLoad_MPISBAIJ(Mat,PetscViewer);
23 extern PetscErrorCode MatMult_MPISBAIJ_Hermitian(Mat,Vec,Vec);
24 #endif
25