3094   IS          iscol_local;  in ISGetSeqIS_Private()  local
3114     PetscCall(ISCreateStride(PETSC_COMM_SELF, N, 0, 1, &iscol_local));  in ISGetSeqIS_Private()
3115     PetscCall(ISSetIdentity(iscol_local));  in ISGetSeqIS_Private()
3120     PetscCall(ISAllGather(iscol, &iscol_local));  in ISGetSeqIS_Private()
3121     PetscCall(ISSetBlockSize(iscol_local, cbs));  in ISGetSeqIS_Private()
3124   *isseq = iscol_local;  in ISGetSeqIS_Private()
3341   IS        iscol_local = NULL, isrow_d;  in MatCreateSubMatrix_MPIAIJ()  local
3356       PetscCall(PetscObjectQuery((PetscObject)*newmat, "SubIScol", (PetscObject *)&iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3357       if (iscol_local) {  in MatCreateSubMatrix_MPIAIJ()
3399         PetscCall(ISGetSeqIS_Private(mat, iscol, &iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3400 …PetscCall(ISGetLocalSize(iscol_local, &n)); /* local size of iscol_local = global columns of newma…  in MatCreateSubMatrix_MPIAIJ()
3404         PetscCall(ISSorted(iscol_local, &sorted));  in MatCreateSubMatrix_MPIAIJ()
3407 …PetscCall(MatCreateSubMatrix_MPIAIJ_SameRowDist(mat, isrow, iscol, iscol_local, MAT_INITIAL_MATRIX…  in MatCreateSubMatrix_MPIAIJ()
3423     PetscCall(PetscObjectQuery((PetscObject)*newmat, "ISAllGather", (PetscObject *)&iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3424 …PetscCheck(iscol_local, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Submatrix passed in was not us…  in MatCreateSubMatrix_MPIAIJ()
3426     if (!iscol_local) PetscCall(ISGetSeqIS_Private(mat, iscol, &iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3430   PetscCall(MatCreateSubMatrix_MPIAIJ_nonscalable(mat, isrow, iscol_local, csize, call, newmat));  in MatCreateSubMatrix_MPIAIJ()
3433     PetscCall(PetscObjectCompose((PetscObject)*newmat, "ISAllGather", (PetscObject)iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3434     PetscCall(ISDestroy(&iscol_local));  in MatCreateSubMatrix_MPIAIJ()
3522 PetscErrorCode MatCreateSubMatrix_MPIAIJ_SameRowDist(Mat mat, IS isrow, IS iscol, IS iscol_local, M…  in MatCreateSubMatrix_MPIAIJ_SameRowDist()  argument
3560     PetscCall(ISIdentity(iscol_local, &flg));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3564       iscol_sub = iscol_local;  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3565       PetscCall(PetscObjectReference((PetscObject)iscol_local));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3573       PetscCall(ISGetIndices(iscol_local, &is_idx));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3596       PetscCall(ISRestoreIndices(iscol_local, &is_idx));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3602 …PetscCall(ISCreateGeneral(PetscObjectComm((PetscObject)iscol_local), count, cmap1, PETSC_OWN_POINT…  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3724     if (iscol_local) {  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3725       PetscCall(PetscObjectCompose((PetscObject)*newmat, "ISAllGather", (PetscObject)iscol_local));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3726       PetscCall(ISDestroy(&iscol_local));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()