640   PetscInt               rbs, cbs, lc, dr, dc, oc, str, stc, nnz, i, jd, jo, cum;  in MatConvert_XAIJ_IS()  local
651   PetscCall(MatGetBlockSizes(A, &rbs, &cbs));  in MatConvert_XAIJ_IS()
653   if (reuse != MAT_REUSE_MATRIX && cong && rbs == cbs) {  in MatConvert_XAIJ_IS()
659     PetscCall(MatSetBlockSizes(B, rbs, rbs));  in MatConvert_XAIJ_IS()
676     PetscCall(ISLocalToGlobalMappingGetBlockSize(rl2g, &rbs));  in MatConvert_XAIJ_IS()
678     PetscCall(ISCreateBlock(comm, rbs, nr / rbs, ridx, PETSC_USE_POINTER, &rows));  in MatConvert_XAIJ_IS()
739   PetscCall(ISCreateStride(comm, dr / rbs, str / rbs, 1, &is));  in MatConvert_XAIJ_IS()
740   if (rbs > 1) {  in MatConvert_XAIJ_IS()
745     PetscCall(ISCreateBlock(comm, rbs, i, aux, PETSC_COPY_VALUES, &is2));  in MatConvert_XAIJ_IS()
769   PetscCall(MatSetBlockSizes(B, rbs, cbs));  in MatConvert_XAIJ_IS()
832   PetscInt               i, j, nr, nc, rbs, cbs;  in MatConvert_Nest_IS()  local
1047     PetscCall(MatGetBlockSizes(A, &rbs, &cbs));  in MatConvert_Nest_IS()
1048     PetscCall(MatSetBlockSizes(B, rbs, cbs));  in MatConvert_Nest_IS()
1325   PetscInt buf[2 * MATIS_MAX_ENTRIES_INSERTION], *rows_l = NULL, *cols_l = NULL, rbs, cbs;  in MatSetValuesBlockedLocal_SubMat_IS()  local
1329   PetscCall(ISLocalToGlobalMappingGetBlockSize(A->rmap->mapping, &rbs));  in MatSetValuesBlockedLocal_SubMat_IS()
1331   IndexSpaceGet(buf, m * rbs, n * cbs, rows_l, cols_l);  in MatSetValuesBlockedLocal_SubMat_IS()
1332   BlockIndicesExpand(m, rows, rbs, rows_l);  in MatSetValuesBlockedLocal_SubMat_IS()
1334   PetscCall(ISLocalToGlobalMappingApply(A->rmap->mapping, m * rbs, rows_l, rows_l));  in MatSetValuesBlockedLocal_SubMat_IS()
1336   PetscCall(MatSetValuesLocal_IS(A, m * rbs, rows_l, n * cbs, cols_l, values, addv));  in MatSetValuesBlockedLocal_SubMat_IS()
1337   IndexSpaceRestore(buf, m * rbs, n * cbs, rows_l, cols_l);  in MatSetValuesBlockedLocal_SubMat_IS()
1420     PetscInt               ll, newloc, irbs, icbs, arbs, acbs, rbs, cbs;  in MatCreateSubMatrix_IS()  local
1428     rbs = arbs == irbs ? irbs : 1;  in MatCreateSubMatrix_IS()
1436     PetscCall(MatSetBlockSizes(*newmat, rbs, cbs));  in MatCreateSubMatrix_IS()
1458     PetscCall(ISLocalToGlobalMappingSetBlockSize(rl2g, rbs));  in MatCreateSubMatrix_IS()
1840   PetscInt           rbs, cbs, rows, cols, lrows, lcols;  in MatConvert_IS_XAIJ()  local
1851     PetscInt rbs, cbs;  in MatConvert_IS_XAIJ()  local
1853     PetscCall(ISLocalToGlobalMappingGetBlockSize(matis->rmapping, &rbs));  in MatConvert_IS_XAIJ()
1863       nw = nw / rbs;  in MatConvert_IS_XAIJ()
1869         PetscCall(ISCreateBlock(PETSC_COMM_SELF, rbs, nw, ridxs, PETSC_USE_POINTER, &rows));  in MatConvert_IS_XAIJ()
1925   PetscCall(ISLocalToGlobalMappingGetBlockSize(matis->rmapping, &rbs));  in MatConvert_IS_XAIJ()
1952     PetscCall(MatSetBlockSizes(MT, rbs, cbs));  in MatConvert_IS_XAIJ()
2002 … == rbs, PetscObjectComm((PetscObject)mat), PETSC_ERR_SUP, "Cannot reuse matrix. Wrong row block s…  in MatConvert_IS_XAIJ()
2037   PetscInt rbs, cbs, m, n, M, N;  in MatDuplicate_IS()  local
2041   PetscCall(ISLocalToGlobalMappingGetBlockSize(mat->rmap->mapping, &rbs));  in MatDuplicate_IS()
2047   PetscCall(MatSetBlockSize(B, rbs == cbs ? rbs : 1));  in MatDuplicate_IS()
2548   PetscInt        nr, rbs, nc, cbs;  in MatISSetUpScatters_Private()  local
2553   PetscCall(ISLocalToGlobalMappingGetBlockSize(is->rmapping, &rbs));  in MatISSetUpScatters_Private()
2569 …PetscCall(ISCreateBlock(PetscObjectComm((PetscObject)A), rbs, nr / rbs, garray, PETSC_USE_POINTER,…  in MatISSetUpScatters_Private()
2665   PetscInt               nr, rbs, nc, cbs;  in MatSetLocalToGlobalMapping_IS()  local
2733   PetscCall(ISLocalToGlobalMappingGetBlockSize(is->rmapping, &rbs));  in MatSetLocalToGlobalMapping_IS()
2738     if (nr == nc && cbs == rbs) {  in MatSetLocalToGlobalMapping_IS()
2743       PetscCall(PetscArraycmp(idxs1, idxs2, nr / rbs, &same));  in MatSetLocalToGlobalMapping_IS()
2754   PetscCall(PetscLayoutSetBlockSize(A->rmap, rbs));  in MatSetLocalToGlobalMapping_IS()
2767     PetscCall(MatSetBlockSizes(is->A, rbs, cbs));  in MatSetLocalToGlobalMapping_IS()
3249   PetscInt               nrg, rbs, cbs;  in MatGetLocalSubMatrix_IS()  local
3253   PetscCall(ISGetBlockSize(row, &rbs));  in MatGetLocalSubMatrix_IS()
3262   if (nrg % rbs) nrg = rbs * (nrg / rbs + 1);  in MatGetLocalSubMatrix_IS()
3271   PetscCall(ISLocalToGlobalMappingSetBlockSize(rl2g, rbs));  in MatGetLocalSubMatrix_IS()
3463     PetscInt    rbs, cbs, bs;  in MatISGetAssembled_Private()  local
3469     PetscCall(ISLocalToGlobalMappingGetBlockSize(a->rmapping, &rbs));  in MatISGetAssembled_Private()
3470     bs = rbs == cbs ? rbs : 1;  in MatISGetAssembled_Private()
3604 static PetscErrorCode MatSetBlockSizes_IS(Mat A, PetscInt rbs, PetscInt cbs)  in MatSetBlockSizes_IS()  argument
3609   if (a->A) PetscCall(MatSetBlockSizes(a->A, rbs, cbs));  in MatSetBlockSizes_IS()