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 identity- IS
Output Parameter#
- aoout - the new application ordering 
Options Database Key#
- -ao_view - call - AOView()at the conclusion of- AOCreateMappingIS()
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