MatNestGetISs#
Returns the index sets partitioning the row and column spaces of a MATNEST
Synopsis#
#include "petscmat.h"
PetscErrorCode MatNestGetISs(Mat A, IS rows[], IS cols[])
Not Collective
Input Parameter#
A -
MATNESTmatrix
Output Parameters#
rows - array of row index sets
cols - array of column index sets
Note#
The user must have allocated arrays of the correct size. The reference count is not increased on the returned ISs.
See Also#
Matrices, Mat, MATNEST, MatNestGetSubMat(), MatNestGetSubMats(), MatNestGetSize(), MatNestGetLocalISs(), MATNEST,
MatCreateNest(), MatNestGetSubMats(), MatNestSetSubMats()
Level#
advanced
Location#
Examples#
Implementations#
MatNestGetISs_Nest in src/mat/impls/nest/matnest.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages