shithub: aacenc

ref: 1fb8d7c8f6156ec4bd04278741cdf9f25f095528
dir: /fastfft.h/

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#define fftw_real double
#define fftw_complex fftw_complex_d

#define CONCAT_AUX(a, b) a ## b
#define CONCAT(a, b) CONCAT_AUX(a,b)

#define PFFTW(name)  CONCAT(pfftw_d_, name)

#define FFTW_KONST(x) ((fftw_real) x)

void PFFTW(twiddle_4)(fftw_complex *A, const fftw_complex *W, int iostride);