lasp_fft.h

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// lasp_fft.h
//
// Author: J.A. de Jong - ASCEE
//
// Description: FFT class
// Interface to the FFT library, multiple channel FFT's
#pragma once
#include <memory>
#include "lasp_mathtypes.h"
 
class Fft_impl;
 
class Fft {
  std::unique_ptr<Fft_impl> _impl;
 
  public:
    Fft(const us nfft);
    ~Fft();
 
    Fft(const Fft&) = delete;
    Fft& operator=(const Fft&) = delete;
 
    us nfft() const;
 
    vc fft(const vd& timedata);
 
    cmat fft(const dmat& timedata);
 
    vd ifft(const vc& freqdata);
 
    dmat ifft(const cmat& freqdata);
 
    static void load_fft_wisdom(const std::string& wisdom);
 
    static std::string store_fft_wisdom();
 
};