#if !defined(__FFT_H)
#define __FFT_H

#include <petsc-private/matimpl.h>

typedef struct {
  PetscInt ndim;
  PetscInt *dim;
  PetscInt n,N;         /* local and global size of the transform */
  void     *data;       /* implementation-specific data for subclass */

  PetscErrorCode (*matdestroy)(Mat);
} Mat_FFT;

EXTERN_C_BEGIN
extern PetscErrorCode MatCreate_FFTW(Mat);
EXTERN_C_END

#endif