1*3369ce9aSBarry Smith /* $Id: mpiaij.h,v 1.12 1995/12/23 21:57:19 bsmith Exp bsmith $ */ 28a729477SBarry Smith 3*3369ce9aSBarry Smith #if !defined(__MPIAIJ_H) 4*3369ce9aSBarry Smith #define __MPIAIJ_H 5*3369ce9aSBarry Smith 6*3369ce9aSBarry Smith #include "src/mat/impls/aij/seq/aij.h" 78a729477SBarry Smith 88a729477SBarry Smith typedef struct { 9180e1086SBarry Smith int *rowners, *cowners; /* ranges owned by each processor */ 108c386bf4SBarry Smith int m, n; /* local rows and columns */ 118c386bf4SBarry Smith int M, N; /* global rows and columns */ 128c386bf4SBarry Smith int rstart, rend; /* starting and ending owned rows */ 138c386bf4SBarry Smith int cstart, cend; /* starting and ending owned columns */ 148c386bf4SBarry Smith Mat A, B; /* local submatrices: A (diag part), 158c386bf4SBarry Smith B (off-diag part) */ 168c386bf4SBarry Smith int size; /* size of communicator */ 178c386bf4SBarry Smith int rank; /* rank of proc in communicator */ 188c386bf4SBarry Smith 198c386bf4SBarry Smith /* The following variables are used for matrix assembly */ 208c386bf4SBarry Smith 218c386bf4SBarry Smith Stash stash; /* stash for non-local elements */ 22*3369ce9aSBarry Smith int donotstash; /* 1 if off processor entries dropped */ 238c386bf4SBarry Smith MPI_Request *send_waits; /* array of send requests */ 248c386bf4SBarry Smith MPI_Request *recv_waits; /* array of receive requests */ 258c386bf4SBarry Smith int nsends, nrecvs; /* numbers of sends and receives */ 268c386bf4SBarry Smith Scalar *svalues, *rvalues; /* sending and receiving data */ 278c386bf4SBarry Smith int rmax; /* maximum message length */ 288c386bf4SBarry Smith int *colmap; /* local col number of off-diag col */ 298c386bf4SBarry Smith int *garray; /* work array */ 308c386bf4SBarry Smith 318c386bf4SBarry Smith /* The following variables are used for matrix-vector products */ 328c386bf4SBarry Smith 338c386bf4SBarry Smith Vec lvec; /* local vector */ 348c386bf4SBarry Smith VecScatter Mvctx; /* scatter context for vector */ 354096ce27SBarry Smith int roworiented; /* if true, row-oriented input, default true */ 36*3369ce9aSBarry Smith 37*3369ce9aSBarry Smith /* The following variables are for MatGetRow() */ 38*3369ce9aSBarry Smith 39*3369ce9aSBarry Smith int *rowindices; /* column indices for row */ 40*3369ce9aSBarry Smith Scalar *rowvalues; /* nonzero values in row */ 41*3369ce9aSBarry Smith PetscTruth getrowactive; /* indicates MatGetRow(), not restored */ 42180e1086SBarry Smith } Mat_MPIAIJ; 43*3369ce9aSBarry Smith 44*3369ce9aSBarry Smith #endif 45