1*32b39ab2SSatish Balay /* $Id: mpiaij.h,v 1.13 1997/03/26 01:35:49 bsmith Exp balay $ */ 28a729477SBarry Smith 33369ce9aSBarry Smith #if !defined(__MPIAIJ_H) 43369ce9aSBarry Smith #define __MPIAIJ_H 53369ce9aSBarry Smith 63369ce9aSBarry Smith #include "src/mat/impls/aij/seq/aij.h" 7*32b39ab2SSatish Balay #include "src/sys/ctable.h" 88a729477SBarry Smith 98a729477SBarry Smith typedef struct { 10180e1086SBarry Smith int *rowners, *cowners; /* ranges owned by each processor */ 118c386bf4SBarry Smith int m, n; /* local rows and columns */ 128c386bf4SBarry Smith int M, N; /* global rows and columns */ 138c386bf4SBarry Smith int rstart, rend; /* starting and ending owned rows */ 148c386bf4SBarry Smith int cstart, cend; /* starting and ending owned columns */ 158c386bf4SBarry Smith Mat A, B; /* local submatrices: A (diag part), 168c386bf4SBarry Smith B (off-diag part) */ 178c386bf4SBarry Smith int size; /* size of communicator */ 188c386bf4SBarry Smith int rank; /* rank of proc in communicator */ 198c386bf4SBarry Smith 208c386bf4SBarry Smith /* The following variables are used for matrix assembly */ 218c386bf4SBarry Smith 228c386bf4SBarry Smith Stash stash; /* stash for non-local elements */ 233369ce9aSBarry Smith int donotstash; /* 1 if off processor entries dropped */ 248c386bf4SBarry Smith MPI_Request *send_waits; /* array of send requests */ 258c386bf4SBarry Smith MPI_Request *recv_waits; /* array of receive requests */ 268c386bf4SBarry Smith int nsends, nrecvs; /* numbers of sends and receives */ 278c386bf4SBarry Smith Scalar *svalues, *rvalues; /* sending and receiving data */ 288c386bf4SBarry Smith int rmax; /* maximum message length */ 29*32b39ab2SSatish Balay #if defined (USE_CTABLE) 30*32b39ab2SSatish Balay Table colmap 31*32b39ab2SSatish Balay #else 328c386bf4SBarry Smith int *colmap; /* local col number of off-diag col */ 33*32b39ab2SSatish Balay #endif 348c386bf4SBarry Smith int *garray; /* work array */ 358c386bf4SBarry Smith 368c386bf4SBarry Smith /* The following variables are used for matrix-vector products */ 378c386bf4SBarry Smith 388c386bf4SBarry Smith Vec lvec; /* local vector */ 398c386bf4SBarry Smith VecScatter Mvctx; /* scatter context for vector */ 404096ce27SBarry Smith int roworiented; /* if true, row-oriented input, default true */ 413369ce9aSBarry Smith 423369ce9aSBarry Smith /* The following variables are for MatGetRow() */ 433369ce9aSBarry Smith 443369ce9aSBarry Smith int *rowindices; /* column indices for row */ 453369ce9aSBarry Smith Scalar *rowvalues; /* nonzero values in row */ 463369ce9aSBarry Smith PetscTruth getrowactive; /* indicates MatGetRow(), not restored */ 47180e1086SBarry Smith } Mat_MPIAIJ; 483369ce9aSBarry Smith 493369ce9aSBarry Smith #endif 50