petsc-3.14.5 2021-03-03
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# ISLocalToGlobalMappingGetBlockSize

Gets the blocksize of the mapping ordering and a global parallel ordering.

### Synopsis

    #include "petscis.h"
    PetscErrorCode  ISLocalToGlobalMappingGetBlockSize(ISLocalToGlobalMapping mapping,PetscInt *bs)

Not Collective

### Input Parameters

| mapping | - mapping data structure

### Output Parameter

| bs | - the blocksize

### See Also

ISLocalToGlobalMappingDestroy(), ISLocalToGlobalMappingCreateIS()

### 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