petsc-3.7.3 2016-07-24
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# 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()

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