petsc-3.7.1 2016-05-15
MatNestGetISs
Returns the index sets partitioning the row and column spaces
Synopsis
#include "petscmat.h"
PetscErrorCode MatNestGetISs(Mat A,IS rows[],IS cols[])
Not collective Many br
Input Parameters
A -nest matrix Many br
Output Parameter
| rows | - array of row index sets Many br |
| cols | - array of column index sets Many br |
Many br
Notes
The user must have allocated arrays of the correct size. The reference count is not increased on the returned ISs. Many br
See Also
MatNestGetSubMat(), MatNestGetSubMats(), MatNestGetSize(), MatNestGetLocalISs()
Level:advanced
Location:src/mat/impls/nest/matnest.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/snes/examples/tutorials/ex70.c.html