PETSc version 3.15.5
MatNestGetLocalISs
Returns the index sets partitioning the row and column spaces 
Synopsis
#include "petscmat.h"   
PetscErrorCode  MatNestGetLocalISs(Mat A,IS rows[],IS cols[])
Not collective
Input Parameters
Output Parameter
|  | rows | - array of row index sets (or NULL to ignore) | 
|  | cols | - array of column index sets (or NULL to ignore) | 
Notes
The user must have allocated arrays of the correct size. The reference count is not increased on the returned ISs.
See Also
 MatNestGetSubMat(), MatNestGetSubMats(), MatNestGetSize(), MatNestGetISs(), MatCreateNest(),
MATNEST, MatNestSetSubMats(), MatNestSetSubMat()
Level
advanced
Location
src/mat/impls/nest/matnest.c
Implementations
MatNestGetLocalISs_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