RealFFTf.h

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#ifndef __realfftf_h
#define __realfftf_h
 
#include "MemoryX.h"
 
using fft_type = float;
struct FFTParam {
   ArrayOf<int> BitReversed;
   ArrayOf<fft_type> SinTable;
   size_t Points;
#ifdef EXPERIMENTAL_EQ_SSE_THREADED
   int pow2Bits;
#endif
};
 
struct FFT_API FFTDeleter{
   void operator () (FFTParam *p) const;
};
 
using HFFT = std::unique_ptr<
   FFTParam, FFTDeleter
>;
 
FFT_API HFFT GetFFT(size_t);
FFT_API void RealFFTf(fft_type *, const FFTParam *);
FFT_API void InverseRealFFTf(fft_type *, const FFTParam *);
FFT_API void ReorderToTime(const FFTParam *hFFT, const fft_type *buffer, fft_type *TimeOut);
FFT_API void ReorderToFreq(const FFTParam *hFFT, const fft_type *buffer,
         fft_type *RealOut, fft_type *ImagOut);
 
#endif