create_plan_backward()

void fourier::fft::DRFFTWAFF::create_plan_backward ( ) const

private

create plan.

Definition at line 83 of file fftwaff.cc.

References create_arrays(), FOURIER_assert, Mplan_backward, Mseriesarray, Msize, and Mspectrumarray.

Referenced by operator()().

    {
      if (Mplan_backward==0)
      {
#ifdef FFTWFALLBACK
        Mplan_backward=rfftw_create_plan(Msize, FFTW_BACKWARD, 0);
#else
        this->create_arrays();
        Mplan_backward=fftw_plan_dft_c2r_1d(Msize, Mspectrumarray,
                                           Mseriesarray,
                                           FFTW_ESTIMATE);
#endif
        FOURIER_assert(Mplan_backward!=0, 
                    "Error (DRFFTWAFF::create_plan_backward): "
                    "could not create plan!")
      }
    } // void DRFFTWAFF::create_plan_backward() const

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