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

  5: #include <petscpf.h>
  6: #include <petsc/private/petscimpl.h>
  7: #include <petscviewer.h>

  9: PETSC_EXTERN PetscBool      PFRegisterAllCalled;
 10: PETSC_EXTERN PetscErrorCode PFRegisterAll(void);

 12: typedef struct _PFOps *PFOps;
 13: struct _PFOps {
 14:   PetscErrorCode (*apply)(void*,PetscInt,const PetscScalar*,PetscScalar*);
 15:   PetscErrorCode (*applyvec)(void*,Vec,Vec);
 16:   PetscErrorCode (*destroy)(void*);
 17:   PetscErrorCode (*view)(void*,PetscViewer);
 18:   PetscErrorCode (*setfromoptions)(PetscOptions*,PF);
 19: };

 21: struct _p_PF {
 22:   PETSCHEADER(struct _PFOps);
 23:   PetscInt dimin,dimout;             /* dimension of input and output spaces */
 24:   void     *data;
 25: };

 27: #endif