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