MatSubdomainsCreateCoalesce
Creates index subdomains by coalescing adjacent ranks' ownership ranges.
Synopsis
#include "petscmat.h"
PetscErrorCode MatSubdomainsCreateCoalesce(Mat A,PetscInt N,PetscInt *n,IS *iss[])
Collective on A
Input Parameters
| A | - the matrix to create subdomains from
|
| N | - requested number of subdomains
|
Output Parameters
| n | - number of subdomains resulting on this rank
|
| iss | - IS list with indices of subdomains on this rank
|
Notes
number of subdomains must be smaller than the communicator size
Level
advanced
Location
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages