118 PetscErrorCode PetscCDGetHeadPos(const PetscCoarsenData *ail, PetscInt a_idx, PetscCDIntNd **pos)  in PetscCDGetHeadPos()  argument
122   *pos = ail->array[a_idx];  in PetscCDGetHeadPos()
128 PetscErrorCode PetscCDGetNextPos(const PetscCoarsenData *ail, PetscInt l_idx, PetscCDIntNd **pos)  in PetscCDGetNextPos()  argument
131   PetscCheck(*pos, PETSC_COMM_SELF, PETSC_ERR_PLIB, "NULL input position.");  in PetscCDGetNextPos()
132   *pos = (*pos)->next;  in PetscCDGetNextPos()
821         PetscCDIntNd *pos;  in MatCoarsenApply_HEM_private()  local
844           PetscCall(PetscCDGetHeadPos(ghost_deleted_list, proc, &pos));  in MatCoarsenApply_HEM_private()
845           while (pos) {  in MatCoarsenApply_HEM_private()
848             PetscCall(PetscCDIntNdGetID(pos, &ghost_idx));  in MatCoarsenApply_HEM_private()
850             PetscCall(PetscCDGetNextPos(ghost_deleted_list, proc, &pos));  in MatCoarsenApply_HEM_private()
851             PetscCall(PetscCDIntNdGetID(pos, &lid0));  in MatCoarsenApply_HEM_private()
852             PetscCall(PetscCDGetNextPos(ghost_deleted_list, proc, &pos));  in MatCoarsenApply_HEM_private()
909               PetscCall(PetscCDGetHeadPos(agg_llists, lid1, &pos));  in MatCoarsenApply_HEM_private()
910               while (pos) {  in MatCoarsenApply_HEM_private()
913                 PetscCall(PetscCDIntNdGetID(pos, &gid));  in MatCoarsenApply_HEM_private()
914                 PetscCall(PetscCDGetNextPos(agg_llists, lid1, &pos));  in MatCoarsenApply_HEM_private()
1075           PetscCDIntNd  *pos;  in MatCoarsenApply_HEM_private()  local
1077           PetscCall(PetscCDGetHeadPos(agg_llists, lid, &pos));  in MatCoarsenApply_HEM_private()
1078 …  PetscCheck(pos, PETSC_COMM_SELF, PETSC_ERR_PLIB, "empty list in singleton: %" PetscInt_FMT, gid);  in MatCoarsenApply_HEM_private()
1079           PetscCall(PetscCDIntNdGetID(pos, &gid1));  in MatCoarsenApply_HEM_private()
1104     PetscCDIntNd *pos;  in MatCoarsenApply_HEM_private()  local
1116       PetscCall(PetscCDGetHeadPos(agg_llists, lid, &pos));  in MatCoarsenApply_HEM_private()
1117       while (pos) {  in MatCoarsenApply_HEM_private()
1120         PetscCall(PetscCDIntNdGetID(pos, &gid1));  in MatCoarsenApply_HEM_private()
1121         PetscCall(PetscCDGetNextPos(agg_llists, lid, &pos));  in MatCoarsenApply_HEM_private()
1133     PetscCDIntNd *pos;  in MatCoarsenApply_HEM_private()  local
1135     PetscCall(PetscCDGetHeadPos(bc_list, 0, &pos));  in MatCoarsenApply_HEM_private()
1136     while (pos) {  in MatCoarsenApply_HEM_private()
1139       PetscCall(PetscCDIntNdGetID(pos, &gid1));  in MatCoarsenApply_HEM_private()
1140       PetscCall(PetscCDGetNextPos(bc_list, 0, &pos));  in MatCoarsenApply_HEM_private()
1183     PetscCDIntNd     *pos, *pos2;  in MatCoarsenView_HEM()  local
1192           PetscCall(PetscCDGetHeadPos(coarse->agg_lists, kk, &pos));  in MatCoarsenView_HEM()
1193 …if ((pos2 = pos)) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "selected local %" PetscInt…  in MatCoarsenView_HEM()
1194           while (pos) {  in MatCoarsenView_HEM()
1197             PetscCall(PetscCDIntNdGetID(pos, &gid1));  in MatCoarsenView_HEM()
1198             PetscCall(PetscCDGetNextPos(coarse->agg_lists, kk, &pos));  in MatCoarsenView_HEM()