petsc-3.12.5 2020-03-29
ISLocalToGlobalMappingCreateIS
Creates a mapping between a local (0 to n) ordering and a global parallel ordering.
Synopsis
#include "petscis.h"
PetscErrorCode ISLocalToGlobalMappingCreateIS(IS is,ISLocalToGlobalMapping *mapping)
Not collective
Input Parameter
is -index set containing the global numbers for each local number
Output Parameter
mapping -new mapping data structure
Notes
the block size of the IS determines the block size of the mapping
See Also
ISLocalToGlobalMappingDestroy(), ISLocalToGlobalMappingCreate(), ISLocalToGlobalMappingSetFromOptions()
Level
advanced
Location
src/vec/is/utils/isltog.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages