petsc-3.4.5 2014-06-29
ISLocalToGlobalMappingBlock
Creates a blocked index version of an ISLocalToGlobalMapping that is appropriate for MatSetLocalToGlobalMappingBlock() and VecSetLocalToGlobalMappingBlock().
Synopsis
#include "petscis.h"
PetscErrorCode ISLocalToGlobalMappingBlock(ISLocalToGlobalMapping inmap,PetscInt bs,ISLocalToGlobalMapping *outmap)
Not Collective, but communicator may have more than one process
Input Parameters
| inmap | - original point-wise mapping
|
| bs | - block size
|
Output Parameter
outmap -block based mapping; the indices are relative to BLOCKS, not individual vector or matrix entries.
See Also
ISLocalToGlobalMappingDestroy(), ISLocalToGlobalMappingCreate(), 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