29   PetscInt     m, n, N, bs, rstart, rend, i, j, k, total_subdomains, hash, nsubdomains = 1;  in main()  local
123   nsubdomains = 1;  in main()
124   for (s = 0; s < nsubdomains; ++s) gsubdomainperm[s] = s;  in main()
126   PetscCall(PetscSortIntWithPermutation(nsubdomains, gsubdomainnums, gsubdomainperm));  in main()
129     if (s < nsubdomains) {  in main()
140   nsubdomains = 1;  in main()
141   PetscCall(MatCreateSubMatricesMPI(A, nsubdomains, rowis, colis, MAT_INITIAL_MATRIX, &submats));  in main()
148   for (s = 0; s < nsubdomains; ++s) gsubdomainperm[s] = s;  in main()
150   PetscCall(PetscSortIntWithPermutation(nsubdomains, gsubdomainnums, gsubdomainperm));  in main()
153     if (s < nsubdomains) {  in main()
171   nsubdomains = 1;  in main()
172   PetscCall(MatCreateSubMatricesMPI(A, nsubdomains, rowis, colis, MAT_REUSE_MATRIX, &submats));  in main()
179   for (s = 0; s < nsubdomains; ++s) gsubdomainperm[s] = s;  in main()
181   PetscCall(PetscSortIntWithPermutation(nsubdomains, gsubdomainnums, gsubdomainperm));  in main()
184     if (s < nsubdomains) {  in main()
202   for (k = 0; k < nsubdomains; ++k) PetscCall(MatDestroy(submats + k));  in main()