134   if (sf->multi) sf->multi->multi = NULL;  in PetscSFReset()
135   PetscCall(PetscSFDestroy(&sf->multi));  in PetscSFReset()
415 …PetscCheck(!sf->multi, PetscObjectComm((PetscObject)sf), PETSC_ERR_ARG_WRONGSTATE, "Rank ordering …  in PetscSFSetRankOrder()
1249 PetscErrorCode PetscSFGetMultiSF(PetscSF sf, PetscSF *multi)  in PetscSFGetMultiSF()  argument
1253   PetscAssertPointer(multi, 2);  in PetscSFGetMultiSF()
1255     PetscCall(PetscSFDuplicate(sf, PETSCSF_DUPLICATE_RANKS, &sf->multi));  in PetscSFGetMultiSF()
1256     *multi           = sf->multi;  in PetscSFGetMultiSF()
1257     sf->multi->multi = sf->multi;  in PetscSFGetMultiSF()
1260   if (!sf->multi) {  in PetscSFGetMultiSF()
1282     PetscCall(PetscSFDuplicate(sf, PETSCSF_DUPLICATE_RANKS, &sf->multi));  in PetscSFGetMultiSF()
1283     sf->multi->multi = sf->multi;  in PetscSFGetMultiSF()
1284 …PetscCall(PetscSFSetGraph(sf->multi, inoffset[sf->nroots], sf->nleaves, sf->mine, PETSC_COPY_VALUE…  in PetscSFGetMultiSF()
1291 …PetscCall(PetscMalloc5(sf->multi->nroots, &inranks, sf->multi->nroots, &newoffset, maxlocal, &outr…  in PetscSFGetMultiSF()
1293       PetscCall(PetscSFReduceBegin(sf->multi, MPIU_INT, outranks, inranks, MPI_REPLACE));  in PetscSFGetMultiSF()
1294       PetscCall(PetscSFReduceEnd(sf->multi, MPIU_INT, outranks, inranks, MPI_REPLACE));  in PetscSFGetMultiSF()
1302       PetscCall(PetscSFBcastBegin(sf->multi, MPIU_INT, newoffset, newoutoffset, MPI_REPLACE));  in PetscSFGetMultiSF()
1303       PetscCall(PetscSFBcastEnd(sf->multi, MPIU_INT, newoffset, newoutoffset, MPI_REPLACE));  in PetscSFGetMultiSF()
1309 …PetscCall(PetscSFSetGraph(sf->multi, inoffset[sf->nroots], sf->nleaves, sf->mine, PETSC_COPY_VALUE…  in PetscSFGetMultiSF()
1314   *multi = sf->multi;  in PetscSFGetMultiSF()
1905   PetscSF multi = NULL;  in PetscSFGatherBegin()  local
1910   PetscCall(PetscSFGetMultiSF(sf, &multi));  in PetscSFGatherBegin()
1911   PetscCall(PetscSFReduceBegin(multi, unit, leafdata, multirootdata, MPI_REPLACE));  in PetscSFGatherBegin()
1934   PetscSF multi = NULL;  in PetscSFGatherEnd()  local
1938   PetscCall(PetscSFGetMultiSF(sf, &multi));  in PetscSFGatherEnd()
1939   PetscCall(PetscSFReduceEnd(multi, unit, leafdata, multirootdata, MPI_REPLACE));  in PetscSFGatherEnd()
1962   PetscSF multi = NULL;  in PetscSFScatterBegin()  local
1967   PetscCall(PetscSFGetMultiSF(sf, &multi));  in PetscSFScatterBegin()
1968   PetscCall(PetscSFBcastBegin(multi, unit, multirootdata, leafdata, MPI_REPLACE));  in PetscSFScatterBegin()
1991   PetscSF multi = NULL;  in PetscSFScatterEnd()  local
1995   PetscCall(PetscSFGetMultiSF(sf, &multi));  in PetscSFScatterEnd()
1996   PetscCall(PetscSFBcastEnd(multi, unit, multirootdata, leafdata, MPI_REPLACE));  in PetscSFScatterEnd()