13   IS           *is1, *is2;  in main()  local
108   PetscCall(PetscMalloc1(nd, &is1));  in main()
121       PetscCall(ISCreateGeneral(PETSC_COMM_SELF, sz * bs, idx, PETSC_COPY_VALUES, is1 + i));  in main()
129       PetscCall(ISCreateStride(PETSC_COMM_SELF, sz, 0, 1, is1 + i));  in main()
151     PetscCall(MatIncreaseOverlap(A, nd, is1, ov));  in main()
156       PetscCall(ISView(is1[0], PETSC_VIEWER_STDOUT_SELF));  in main()
162       PetscCall(ISEqual(is1[i], is2[i], &flg));  in main()
165           PetscCall(ISSort(is1[i]));  in main()
176       for (i = 0; i < nd; ++i) PetscCall(ISSort(is1[i]));  in main()
178     PetscCall(MatCreateSubMatrices(A, nd, is1, is1, MAT_INITIAL_MATRIX, &submatA));  in main()
179     PetscCall(MatCreateSubMatrices(sA, nd, is1, is1, MAT_INITIAL_MATRIX, &submatsA));  in main()
185     PetscCall(MatCreateSubMatrices(A, nd, is1, is1, MAT_REUSE_MATRIX, &submatA));  in main()
186     PetscCall(MatCreateSubMatrices(sA, nd, is1, is1, MAT_REUSE_MATRIX, &submatsA));  in main()
196     PetscCall(ISDestroy(&is1[i]));  in main()
199   PetscCall(PetscFree(is1));  in main()