petsc-master 2020-10-26
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MatGetOwnershipIS

Get row and column ownership as index sets

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetOwnershipIS(Mat A,IS *rows,IS *cols)
Not Collective

Input Arguments

A - matrix of type Elemental or ScaLAPACK

Output Arguments

rows - rows in which this process owns elements
cols - columns in which this process owns elements

See Also

MatGetOwnershipRange(), MatGetOwnershipRangeColumn(), MatSetValues(), MATELEMENTAL

Level

intermediate

Location

src/mat/interface/matrix.c

Implementations

MatGetOwnershipIS_Elemental in src/mat/impls/elemental/matelem.cxx
MatGetOwnershipIS_ScaLAPACK in src/mat/impls/scalapack/matscalapack.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages