MatKAIJGetSRead#
Get a read-only pointer to the S matrix describing the shift action of the MATKAIJ matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatKAIJGetSRead(Mat A, PetscInt *m, PetscInt *n, const PetscScalar *S[])
Not Collective; the entire S is stored and returned independently on all processes.
Input Parameter#
A - the
MATKAIJmatrix
Output Parameters#
m - the number of rows in
Sn - the number of columns in
SS - the S matrix, in form of a scalar array in column-major format
Note#
All output parameters are optional (pass NULL if not desired)
See Also#
Matrices, Mat, MATKAIJ, MatCreateKAIJ(), MatGetBlockSizes()
Level#
advanced
Location#
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages