petsc-3.14.6 2021-03-30
AOCreateBasicIS
Creates a basic application ordering using two index sets.
Synopsis
#include "petscao.h"
PetscErrorCode AOCreateBasicIS(IS isapp,IS ispetsc,AO *aoout)
Collective on IS
Input Parameters
| isapp | - index set that defines an ordering
|
| ispetsc | - index set that defines another ordering (may be NULL to use the
natural ordering)
|
Output Parameter
| aoout | - the new application ordering
|
Notes
the index sets isapp and ispetsc must contain the all the integers 0 to napp-1 (where napp is the length of the index sets) with no duplicates;
that is there cannot be any "holes"
See Also
AOCreateBasic(), AODestroy()
Level
beginner
Location
src/vec/is/ao/impls/basic/aobasic.c
Index of all AO routines
Table of Contents for all manual pages
Index of all manual pages