PETSc version 3.15.5
PetscSFGetSubSF
Returns an SF for a specific subset of points. Leaves are re-numbered to reflect the new ordering 
Synopsis
#include "petscdmnetwork.h"  
PetscErrorCode PetscSFGetSubSF(PetscSF mainsf,ISLocalToGlobalMapping map,PetscSF *subSF)
Collective
Input Parameters
|  | mainSF | - the original SF structure | 
|  | map | - a ISLocalToGlobal mapping that contains the subset of points | 
Output Parameters
|  | subSF | - a subset of the mainSF for the desired subset. | 
Level
intermediate
Location
src/dm/impls/network/network.c
Index of all DMNetwork routines
Table of Contents for all manual pages
Index of all manual pages