AOCreateMappingIS#
Creates an application mapping using two index sets.
Synopsis#
#include "petscao.h"
PetscErrorCode AOCreateMappingIS(IS isapp, IS ispetsc, AO *aoout)
Input Parameters#
isapp - index set that defines an ordering
ispetsc - index set that defines another ordering, maybe
NULLfor identityIS
Output Parameter#
aoout - the new application ordering
Options Database Key#
-ao_view - call
AOView()at the conclusion ofAOCreateMappingIS()
Note#
The index sets isapp and ispetsc need NOT contain the all the integers 0 to N-1, that is there CAN be “holes” in the indices.
Use AOCreateBasic() or AOCreateBasicIS() if they do not have holes for better performance.
See Also#
Application Orderings, Low-level Vector Communication, AOCreateBasic(), AOCreateMapping(), AODestroy()
Level#
beginner
Location#
src/vec/is/ao/impls/mapping/aomapping.c
Index of all AO routines
Table of Contents for all manual pages
Index of all manual pages