petsc-3.11.4 2019-09-28
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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"

Keywords

AO, create

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