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:   PetscInitialize(&argc,&args,(char*)0,help);
 12:   PetscOptionsGetViewer(PETSC_COMM_WORLD,NULL,NULL,"-myviewer",&viewer,&format,NULL);
 13:   PetscViewerPushFormat(viewer,format);
 14:   PetscViewerView(viewer,PETSC_VIEWER_STDOUT_WORLD);
 15:   PetscViewerPopFormat(viewer);
 16:   PetscViewerDestroy(&viewer);
 17:   PetscFinalize();
 18:   return 0;
 19: }

 21: /*TEST

 23:    test:
 24:       args: -myviewer ascii

 26:    testset:
 27:       args: -myviewer hdf5:my.hdf5:hdf5_xdmf
 28:       requires: hdf5
 29:       test:
 30:         suffix: 2a
 31:         args: -viewer_hdf5_base_dimension2 false -viewer_hdf5_sp_output true  -viewer_hdf5_collective false
 32:       test:
 33:         suffix: 2b
 34:         args: -viewer_hdf5_base_dimension2 true  -viewer_hdf5_sp_output false -viewer_hdf5_collective true

 36: TEST*/