MatGetBlockSize

Returns the matrix block size; useful especially for the block row and block diagonal formats.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatGetBlockSize(Mat mat,PetscInt *bs)

Not Collective

Input Parameter

mat -the matrix

Output Parameter

bs -block size

C++ variants

PetscInt MatGetBlockSize(Mat mat)

->

MatGetBlockSize(mat,&a); return a;

Notes

Block diagonal formats are MATSEQBDIAG, MATMPIBDIAG. Block row formats are MATSEQBAIJ, MATMPIBAIJ, MATSEQSBAIJ, MATMPISBAIJ

See Also

MatCreateSeqBAIJ(), MatCreateMPIBAIJ(), MatCreateSeqBDiag(), MatCreateMPIBDiag()

Level:intermediate
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages