petsc-3.7.5 2017-01-01

ISBuildTwoSided

Takes an IS that describes where we will go. Generates an IS that contains new numbers from remote or local on the IS.

#include "petscis.h"  
PetscErrorCode  ISBuildTwoSided(IS ito,IS toindx, IS *rows)

Collective on IS

Input Parameters

to -an IS describes where we will go. Negative target rank will be ignored

toindx -an IS describes what indices should send. NULL means sending natural numbering

rows -contains new numbers from remote or local