petsc-3.12.4 2020-02-04
MatCreateMPIAIJSumSeqAIJ
Creates a MATMPIAIJ matrix by adding sequential matrices from each processor
Synopsis
#include "petscmat.h"
PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm comm,Mat seqmat,PetscInt m,PetscInt n,MatReuse scall,Mat *mpimat)
Collective
Input Parameters
Output Parameter
mpimat -the parallel matrix generated
Notes
The dimensions of the sequential matrix in each processor MUST be the same.
The input seqmat is included into the container "Mat_Merge_SeqsToMPI", and will be
destroyed when mpimat is destroyed. Call PetscObjectQuery() to access seqmat.
Level
advanced
Location
src/mat/impls/aij/mpi/mpiaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages