1*70f55243SBarry Smith /* $Id: mpibaij.h,v 1.2 1996/06/04 21:40:30 balay Exp bsmith $ */ 2e8823a70SSatish Balay 3*70f55243SBarry Smith #include "src/mat/impls/baij/seq/baij.h" 4e8823a70SSatish Balay 579bdfe76SSatish Balay #if !defined(__MPIBAIJ_H) 679bdfe76SSatish Balay #define __MPIBAIJ_H 779bdfe76SSatish Balay 8e8823a70SSatish Balay typedef struct { 9e8823a70SSatish Balay int *rowners, *cowners; /* ranges owned by each processor */ 10e8823a70SSatish Balay int m, n; /* local rows and columns */ 11e8823a70SSatish Balay int M, N; /* global rows and columns */ 12e8823a70SSatish Balay int rstart, rend; /* starting and ending owned rows */ 13e8823a70SSatish Balay int cstart, cend; /* starting and ending owned columns */ 14e8823a70SSatish Balay Mat A, B; /* local submatrices: A (diag part), 15e8823a70SSatish Balay B (off-diag part) */ 16e8823a70SSatish Balay int size; /* size of communicator */ 17e8823a70SSatish Balay int rank; /* rank of proc in communicator */ 1879bdfe76SSatish Balay int bs, bs2; /* block size, bs2 = bs*bs */ 1979bdfe76SSatish Balay int Mbs, Nbs; 2079bdfe76SSatish Balay int mbs, nbs; 21e8823a70SSatish Balay 22e8823a70SSatish Balay /* The following variables are used for matrix assembly */ 23e8823a70SSatish Balay 24e8823a70SSatish Balay InsertMode insertmode; /* mode for MatSetValues */ 25e8823a70SSatish Balay Stash stash; /* stash for non-local elements */ 26e8823a70SSatish Balay MPI_Request *send_waits; /* array of send requests */ 27e8823a70SSatish Balay MPI_Request *recv_waits; /* array of receive requests */ 28e8823a70SSatish Balay int nsends, nrecvs; /* numbers of sends and receives */ 29e8823a70SSatish Balay Scalar *svalues, *rvalues; /* sending and receiving data */ 30e8823a70SSatish Balay int rmax; /* maximum message length */ 31e8823a70SSatish Balay int *colmap; /* local col number of off-diag col */ 32e8823a70SSatish Balay int *garray; /* work array */ 33e8823a70SSatish Balay 34e8823a70SSatish Balay /* The following variables are used for matrix-vector products */ 35e8823a70SSatish Balay 36e8823a70SSatish Balay Vec lvec; /* local vector */ 37e8823a70SSatish Balay VecScatter Mvctx; /* scatter context for vector */ 38e8823a70SSatish Balay int roworiented; /* if true, row-oriented input, default true */ 39e8823a70SSatish Balay 40e8823a70SSatish Balay /* The following variables are for MatGetRow() */ 41e8823a70SSatish Balay 42e8823a70SSatish Balay int *rowindices; /* column indices for row */ 43e8823a70SSatish Balay Scalar *rowvalues; /* nonzero values in row */ 44e8823a70SSatish Balay PetscTruth getrowactive; /* indicates MatGetRow(), not restored */ 45e8823a70SSatish Balay } Mat_MPIBAIJ; 4679bdfe76SSatish Balay 4779bdfe76SSatish Balay 4879bdfe76SSatish Balay #endif 49