37   PetscViewer  view;  in main()  local
65   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "matrix.dat", FILE_MODE_WRITE, &view));  in main()
67     PetscCall(MatView(A, view));  in main()
68     PetscCall(PetscViewerPushFormat(view, PETSC_VIEWER_NATIVE));  in main()
69     PetscCall(MatView(A, view));  in main()
70     PetscCall(PetscViewerPopFormat(view));  in main()
72   PetscCall(PetscViewerDestroy(&view));  in main()
78   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "matrix.dat", FILE_MODE_READ, &view));  in main()
83     PetscCall(MatLoad(A, view));  in main()
86   PetscCall(PetscViewerDestroy(&view));  in main()
95   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "matrix.dat", FILE_MODE_WRITE, &view));  in main()
96   PetscCall(MatView(A, view));  in main()
100   PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_TRUE));  in main()
101   PetscCall(MatView(A, view));  in main()
102   PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_FALSE));  in main()
103   PetscCall(PetscViewerDestroy(&view));  in main()
108   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "matrix.dat", FILE_MODE_READ, &view));  in main()
109   PetscCall(MatLoad(A, view));  in main()
112   PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_TRUE));  in main()
113   PetscCall(MatLoad(A, view));  in main()
114   PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_FALSE));  in main()
116   PetscCall(PetscViewerDestroy(&view));  in main()
126     PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "matrix.dat", FILE_MODE_READ, &view));  in main()
128     PetscCall(MatLoad(A, view));  in main()
130     PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_TRUE));  in main()
131     PetscCall(MatLoad(A, view));  in main()
132     PetscCall(PetscViewerBinarySetSkipHeader(view, PETSC_FALSE));  in main()
135     PetscCall(PetscViewerDestroy(&view));  in main()