ISLocalToGlobalMappingGetNodeInfo#
Gets the neighbor information for each node
Synopsis#
#include "petscis.h"
PetscErrorCode ISLocalToGlobalMappingGetNodeInfo(ISLocalToGlobalMapping mapping, PetscInt *nnodes, PetscInt *count[], PetscInt **indices[])
Collective on ISLocalToGlobalMapping
Input Parameter#
mapping - the mapping from local to global indexing
Output Parameters#
nnodes - number of local nodes (same ISLocalToGlobalMappingGetSize())
count - number of neighboring processors per node
indices - indices of processes sharing the node (sorted)
Notes: The user needs to call ISLocalToGlobalMappingRestoreInfo when the data is no longer needed.
See Also#
ISLocalToGlobalMappingDestroy()
, ISLocalToGlobalMappingCreateIS()
, ISLocalToGlobalMappingCreate()
,
ISLocalToGlobalMappingGetInfo()
, ISLocalToGlobalMappingRestoreNodeInfo()
Level#
advanced
Location#
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages