kissfft/tools/kiss_fftr.h
2003-12-15 03:23:46 +00:00

13 lines
416 B
C

#ifndef KISS_FTR_H
#define KISS_FTR_H
#include "kiss_fft.h"
/* Real optimized version can save about 45% cpu time vs. complex fft of a real seq.
*/
void * kiss_fftr_alloc(int nfft,int inverse_fft,void * mem, size_t * lenmem);
void kiss_fftr(const void * cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata);
void kiss_fftri(const void * cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata);
#endif