RealFFT.H

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/* Copyright 2000-2018 Matt Flax <flatmax@flatmax.org>
   This file is part of GTK+ IOStream class set

   GTK+ IOStream is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   GTK+ IOStream is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You have received a copy of the GNU General Public License
   along with GTK+ IOStream
*/
#ifndef REALFFT_H_
#define REALFFT_H_

#include "fft/FFTCommon.H"
#include "fft/RealFFTData.H"

class RealFFT {
    fftw_plan fwdPlan, invPlan;

    void createPlan(void);

    void destroyPlan(void);

protected:
    RealFFTData *data;
public:
    RealFFT(void);

    RealFFT(RealFFTData *d);

    virtual ~RealFFT(void);

    void switchData(RealFFTData *d);

    void switchData(RealFFTData &d);

    void fwdTransform();

    void invTransform();
};
#endif // REALFFT_H_