RealFFTData.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 REALFFTDATA_H_
#define REALFFTDATA_H_

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

class RealFFTData {
  int deleteInOutMemory;
public:
  int size;
  int minPowerBin, maxPowerBin;
  fftw_real *in, *out, *power_spectrum; //, *powerDeriv; power deriv. removed for now
  double totalPower;

  RealFFTData(int sz);
  RealFFTData(int sz, fftw_real*inp, fftw_real*outp);
  ~RealFFTData(void);

  int limitHalfPowerSpec(double lim);

  int getSize(void){return size;}
  int getHalfSize(void){ if (!(size%2)) return size/2; else return size/2+1;}

  fftw_real findMaxIn(void);
  void findMaxMinPowerBins(void);

  int compPowerSpec();
  int sqrtPowerSpec();
  void powerInDB();
  //  int powerSpecDeriv(); // Find the derivative of the power spectrum

  void zeroFFTData(void);

  void load(const unsigned int i, const fftw_real val);
  fftw_real unload(const unsigned int i);
  fftw_real unloadPS(const unsigned int i);

  void dumpIn();
  void dumpOut();
};
#endif // REALFFTDATA_H_