petsc-3.14.6 2021-03-30
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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(), 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