petsc-master 2014-09-19
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MatSetBlockSizes

Sets the matrix block row and column sizes.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatSetBlockSizes(Mat mat,PetscInt rbs,PetscInt cbs)
Logically Collective on Mat

Input Parameters

mat - the matrix
rbs - row block size
cbs -column block size

Notes

This must be called before MatSetUp() or MatXXXSetPreallocation() (or will default to 1) and the block size cannot be changed later

See Also

MatCreateSeqBAIJ(), MatCreateBAIJ(), 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