PETSc version 3.16.6
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ISLocalToGlobalMappingCreateSF

 Creates a mapping between a local (0 to n) ordering and a global parallel ordering.

Synopsis

#include "petscis.h"  
PetscErrorCode ISLocalToGlobalMappingCreateSF(PetscSF sf,PetscInt start,ISLocalToGlobalMapping *mapping)
Collective

Input Parameters

sf - star forest mapping contiguous local indices to (rank, offset)
start - first global index on this process

Output Parameter

mapping - new mapping data structure

See Also

ISLocalToGlobalMappingDestroy(), ISLocalToGlobalMappingCreate(), ISLocalToGlobalMappingCreateIS(), ISLocalToGlobalMappingSetFromOptions()

Level

advanced

Location

src/vec/is/utils/isltog.c
Index of all IS routines
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