2: #ifndef _VIEWERIMPL
  3: #define _VIEWERIMPL

 5:  #include petsc.h

  7: struct _PetscViewerOps {
  8:    PetscErrorCode (*destroy)(PetscViewer);
  9:    PetscErrorCode (*view)(PetscViewer,PetscViewer);
 10:    PetscErrorCode (*flush)(PetscViewer);
 11:    PetscErrorCode (*getsingleton)(PetscViewer,PetscViewer*);
 12:    PetscErrorCode (*restoresingleton)(PetscViewer,PetscViewer*);
 13:    PetscErrorCode (*setfromoptions)(PetscViewer);
 14: };

 16: /*
 17:    Defines the viewer data structure.
 18: */
 19: struct _p_PetscViewer {
 20:   PETSCHEADER(struct _PetscViewerOps);
 21:   PetscViewerFormat format,formats[10];
 22:   int               iformat;
 23:   void              *data;
 24: };



 28: #endif