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OpenAudio_ArduinoLibrary/utility/BTNRH_rfft.h

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#ifndef _BTNRH_FFT_H
#define _BTNRH_FFT_H
#include <math.h>
//#include "chapro.h"
//#include "cha_ff.h"
/***********************************************************/
// FFT functions adapted from G. D. Bergland, "Subroutines FAST and FSST," (1979).
// In IEEE Acoustics, Speech, and Signal Processing Society.
// "Programs for Digital Signal Processing," IEEE Press, New York,
namespace BTNRH_FFT {
void cha_fft_cr(float *, int);
void cha_fft_rc(float *, int);
}
#endif