44   Mat G;  in CreateGraph()  local
47   PetscCall(MatCreate(comm, &G));  in CreateGraph()
53     PetscCall(MatSetSizes(G, PETSC_DETERMINE, PETSC_DETERMINE, 5, 5));  in CreateGraph()
54     PetscCall(MatSetUp(G));  in CreateGraph()
55     PetscCall(MatCreateVecs(G, &D, NULL));  in CreateGraph()
57     PetscCall(MatDiagonalSet(G, D, INSERT_VALUES));  in CreateGraph()
65     PetscCall(MatSetSizes(G, PETSC_DETERMINE, PETSC_DETERMINE, 5, 5));  in CreateGraph()
66     PetscCall(MatSetFromOptions(G));  in CreateGraph()
67     PetscCall(MatSeqAIJSetPreallocation(G, 2, NULL));  in CreateGraph()
68     PetscCall(MatSetUp(G));  in CreateGraph()
69     PetscCall(MatGetOwnershipRange(G, &rStart, &rEnd));  in CreateGraph()
73 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
77 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
81 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
85 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
89 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
90     PetscCall(MatAssemblyBegin(G, MAT_FINAL_ASSEMBLY));  in CreateGraph()
91     PetscCall(MatAssemblyEnd(G, MAT_FINAL_ASSEMBLY));  in CreateGraph()
98     PetscCall(MatSetSizes(G, PETSC_DETERMINE, PETSC_DETERMINE, 5, 5));  in CreateGraph()
99     PetscCall(MatSetFromOptions(G));  in CreateGraph()
100     PetscCall(MatSeqAIJSetPreallocation(G, 2, NULL));  in CreateGraph()
101     PetscCall(MatSetUp(G));  in CreateGraph()
102     PetscCall(MatGetOwnershipRange(G, &rStart, &rEnd));  in CreateGraph()
106 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
110 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
114 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
118 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
122 …if ((row >= rStart) && (row < rEnd)) PetscCall(MatSetValues(G, 1, &row, 2, cols, vals, INSERT_VALU…  in CreateGraph()
123     PetscCall(MatAssemblyBegin(G, MAT_FINAL_ASSEMBLY));  in CreateGraph()
124     PetscCall(MatAssemblyEnd(G, MAT_FINAL_ASSEMBLY));  in CreateGraph()
129   *A = G;  in CreateGraph()