petsc-3.3-p7 2013-05-11
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
A -nest matrix
Output Parameter
| rows | - array of row index sets (or PETSC_NULL to ignore)
|
| cols | - array of column index sets (or PETSC_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()
Level:advanced
Location:src/mat/impls/nest/matnest.c
Index of all Mat routines
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Index of all manual pages