/* $Id: mpiaij.h,v 1.10 1995/06/07 17:31:43 bsmith Exp curfman $ */ #include "dense.h" /* for now this is just a copy of Mat_MPIAIJ */ typedef struct { int *rowners, *cowners; /* ranges owned by each processor */ int m, n; /* local rows and columns */ int M, N; /* global rows and columns */ int rstart, rend; /* starting and ending owned rows */ int cstart, cend; /* starting and ending owned columns */ Mat A, B; /* local submatrices: A (diag part), B (off-diag part) */ int size; /* size of communicator */ int rank; /* rank of proc in communicator */ /* The following variables are used for matrix assembly */ int assembled; /* MatAssemble has been called */ InsertMode insertmode; /* mode for MatSetValues */ Stash stash; /* stash for non-local elements */ MPI_Request *send_waits; /* array of send requests */ MPI_Request *recv_waits; /* array of receive requests */ int nsends, nrecvs; /* numbers of sends and receives */ Scalar *svalues, *rvalues; /* sending and receiving data */ int rmax; /* maximum message length */ int *colmap; /* local col number of off-diag col */ int *garray; /* work array */ /* The following variables are used for matrix-vector products */ Vec lvec; /* local vector */ VecScatterCtx Mvctx; /* scatter context for vector */ } Mat_MPIDense;