11   IS          isrow, iscol, identity;  in main()  local
49   PetscCall(MatGetOrdering(mat, MATORDERINGNATURAL, &isrow, &iscol));  in main()
51   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
56   PetscCall(MatReorderForNonzeroDiagonal(mat, 1.e-8, isrow, iscol));  in main()
57   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
63   PetscCall(ISView(iscol, viewer));  in main()
67   PetscCall(ISDestroy(&iscol));  in main()
69   PetscCall(MatGetOrdering(mat, MATORDERINGND, &isrow, &iscol));  in main()
70   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
77   PetscCall(ISView(iscol, viewer));  in main()
79   PetscCall(MatReorderForNonzeroDiagonal(mat, 1.e-8, isrow, iscol));  in main()
80   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
87   PetscCall(ISView(iscol, viewer));  in main()
90   PetscCall(ISDestroy(&iscol));  in main()
92   PetscCall(MatGetOrdering(mat, MATORDERINGRCM, &isrow, &iscol));  in main()
93   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
100   PetscCall(ISView(iscol, viewer));  in main()
102   PetscCall(MatReorderForNonzeroDiagonal(mat, 1.e-8, isrow, iscol));  in main()
103   PetscCall(MatPermute(mat, isrow, iscol, &B));  in main()
109   PetscCall(ISView(iscol, viewer));  in main()
127   PetscCall(MatLUFactor(mat, isrow, iscol, NULL));  in main()
131   PetscCall(ISDestroy(&iscol));  in main()