petsc-3.7.1 2016-05-15
Report Typos and Errors

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 Many br

Input Parameters

A - the matrix to create subdomains from Many br
N - requested number of subdomains Many br

Output Parameters

n - number of subdomains resulting on this rank Many br
iss - IS list with indices of subdomains on this rank Many br

Many br

Notes: number of subdomains must be smaller than the communicator size Many br

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