MatSetBlockSize

Sets the matrix block size; for many matrix types you cannot use this and MUST set the blocksize when you preallocate the matrix

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatSetBlockSize(Mat mat,PetscInt bs)
Not Collective

Input Parameters

mat - the matrix
bs - block size

Notes

Only works for shell and AIJ matrices

See Also

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

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