petsc-3.7.1 2016-05-15
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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 Many br

Input Parameters

A -nest matrix Many br

Output Parameter

rows - array of row index sets (or NULL to ignore) Many br
cols - array of column index sets (or NULL to ignore) 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(), MatNestGetISs()

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