public CUFFTResult cufftSetStream(cufftHandle plan, cudaStream stream)
 {
     return cufftSetStream_ext(plan, stream);
 }

 public cufftHandle Plan1D(int nx, CUFFTType type, int batch)
 {
     this.plan = new cufftHandle();
     this.LastError = _driver.cufftPlan1d(ref this.plan, nx, type, batch);
     return this.plan;
 }

 public void Destroy(cufftHandle plan)
 {
     this.LastError = _driver.cufftDestroy(plan);
 }

 public static extern CUFFTResult cufftSetStream(cufftHandle p, cudaStream stream);

 public void ExecuteComplexToReal(cufftHandle plan, CUdeviceptr input, CUdeviceptr output)
 {
     this.LastError = _driver.cufftExecC2R(plan, input, output);
 }

 public static extern CUFFTResult cufftExecZ2Z(cufftHandle plan, CUdeviceptr idata, CUdeviceptr odata, CUFFTDirection direction);

 public static extern CUFFTResult cufftPlan3d(ref cufftHandle plan, int nx, int ny, int nz, CUFFTType type);

 private static extern CUFFTResult cufftPlanMany_ext(ref cufftHandle plan, int rank, IntPtr n, IntPtr inembed, int istride, int idist, IntPtr onembed, int ostride, int odist, CUFFTType type, int batch);

 private static extern CUFFTResult cufftSetStream_ext(cufftHandle p, cudaStream stream);

 private static extern CUFFTResult cufftPlan1d_ext(ref cufftHandle plan, int nx, CUFFTType type, int batch);

 private static extern CUFFTResult cufftPlan3d_ext(ref cufftHandle plan, int nx, int ny, int nz, CUFFTType type);

 private static extern CUFFTResult cufftExecZ2Z_ext(cufftHandle plan, CUdeviceptr idata, CUdeviceptr odata, CUFFTDirection direction);

 private static extern CUFFTResult cufftExecZ2D_ext(cufftHandle plan, CUdeviceptr idata, CUdeviceptr odata);

 public CUFFTResult cufftSetCompatibilityMode(cufftHandle plan, CUFFTCompatibility mode)
 {
     return cufftSetCompatibilityMode_ext(plan, mode);
 }

 public static extern CUFFTResult cufftDestroy(cufftHandle plan);

 private static extern CUFFTResult cufftSetCompatibilityMode_ext(cufftHandle plan, CUFFTCompatibility mode);

 public static extern CUFFTResult cufftExecZ2D(cufftHandle plan, CUdeviceptr idata, CUdeviceptr odata);

 public CUFFTResult cufftDestroy(cufftHandle plan)
 {
     return cufftDestroy_ext(plan);
 }

 public static extern CUFFTResult cufftPlan1d(ref cufftHandle plan, int nx, CUFFTType type, int batch);

 public CUFFTResult cufftExecZ2D(cufftHandle plan, CUdeviceptr idata, CUdeviceptr odata)
 {
     return cufftExecZ2D_ext(plan, idata, odata);
 }