petsc-3.13.6 2020-09-29
AOCreateBasicIS
Creates a basic Section 1.5 Writing Application Codes with PETSc 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 Section 1.5 Writing Application Codes with PETSc 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