Actual source code: ex2.c
2: static char help[] = "Demonstrates PetscOptionsGetViewer().\n\n";
4: #include <petscviewer.h>
6: int main(int argc, char **args)
7: {
8: PetscViewer viewer;
9: PetscViewerFormat format;
11: PetscFunctionBeginUser;
12: PetscCall(PetscInitialize(&argc, &args, (char *)0, help));
13: PetscCall(PetscOptionsGetViewer(PETSC_COMM_WORLD, NULL, NULL, "-myviewer", &viewer, &format, NULL));
14: PetscCall(PetscViewerPushFormat(viewer, format));
15: PetscCall(PetscViewerView(viewer, PETSC_VIEWER_STDOUT_WORLD));
16: PetscCall(PetscViewerPopFormat(viewer));
17: PetscCall(PetscViewerDestroy(&viewer));
18: PetscCall(PetscFinalize());
19: return 0;
20: }
22: /*TEST
24: test:
25: args: -myviewer ascii
27: testset:
28: args: -myviewer hdf5:my.hdf5:hdf5_xdmf
29: requires: hdf5
30: test:
31: suffix: 2a
32: args: -viewer_hdf5_base_dimension2 false -viewer_hdf5_sp_output true -viewer_hdf5_collective false
33: test:
34: suffix: 2b
35: args: -viewer_hdf5_base_dimension2 true -viewer_hdf5_sp_output false -viewer_hdf5_collective true
37: TEST*/