MatScaLAPACKGetBlockSizes#
Gets the block sizes used in the distribution of the MATSCALAPACK matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatScaLAPACKGetBlockSizes(Mat A, PetscInt *mb, PetscInt *nb)
Not Collective
Input Parameter#
A - a
MATSCALAPACKmatrix
Output Parameters#
mb - the row block size
nb - the column block size
Note#
This block size has a different meaning from the block size associated with MatSetBlockSize() used for sparse matrices
See Also#
Matrices, Mat, MATSCALAPACK, MatCreateScaLAPACK(), MatScaLAPACKSetBlockSizes()
Level#
intermediate
Location#
Implementations#
MatScaLAPACKGetBlockSizes_ScaLAPACK() in src/mat/impls/scalapack/matscalapack.c
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