2: program ex5f90 3: implicit none 4: #include <petsc/finclude/petscsys.h> 5: #include <petsc/finclude/petscviewer.h> 6: #include <petsc/finclude/petscviewer.h90> 7: PetscViewer viewer 8: PetscErrorCode ierr 10: call PetscInitialize(PETSC_NULL_CHARACTER,ierr) 12: call PetscViewerBinaryOpen(PETSC_COMM_WORLD,'binaryoutput',FILE_MODE_READ,viewer,ierr) 13: call PetscViewerDestroy(viewer,ierr) 15: call PetscFinalize(ierr) 16: end