2: #if !defined(PETSCVIEWERSAWS_H)
  3: #define PETSCVIEWERSAWS_H

  5: #include <petscviewer.h>
  6: #include <SAWs.h>
  7: PETSC_EXTERN PetscErrorCode PetscViewerSAWsOpen(MPI_Comm,PetscViewer*);
  8: PETSC_EXTERN PetscViewer    PETSC_VIEWER_SAWS_(MPI_Comm);
  9: #define PETSC_VIEWER_SAWS_WORLD PETSC_VIEWER_SAWS_(PETSC_COMM_WORLD)
 10: #define PETSC_VIEWER_SAWS_SELF  PETSC_VIEWER_SAWS_(PETSC_COMM_SELF)

 12: #define PetscStackCallSAWs(func,args) do {PetscErrorCode _ierr; \
 13:     PetscStackPush(#func);_func args;PetscStackPop; if (_ierr) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_LIB,"Error in %s() %d",#func,_ierr); \
 14: } while (0)

 16: #endif