diff options
Diffstat (limited to 'src/kiss_fftr.h')
| -rw-r--r-- | src/kiss_fftr.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/kiss_fftr.h b/src/kiss_fftr.h index 72e5a57..4ab52db 100644 --- a/src/kiss_fftr.h +++ b/src/kiss_fftr.h @@ -6,33 +6,34 @@ extern "C" { #endif - -/* - - Real optimized version can save about 45% cpu time vs. complex fft of a real seq. +/* + + Real optimized version can save about 45% cpu time vs. complex fft of a real + seq. + + - - */ typedef struct kiss_fftr_state *kiss_fftr_cfg; - -kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem, size_t * lenmem); +kiss_fftr_cfg kiss_fftr_alloc(int nfft, int inverse_fft, void *mem, + size_t *lenmem); /* nfft must be even - If you don't care to allocate space, use mem = lenmem = NULL + If you don't care to allocate space, use mem = lenmem = NULL */ - -void kiss_fftr(kiss_fftr_cfg cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata); +void kiss_fftr(kiss_fftr_cfg cfg, const kiss_fft_scalar *timedata, + kiss_fft_cpx *freqdata); /* input timedata has nfft scalar points output freqdata has nfft/2+1 complex points */ -void kiss_fftri(kiss_fftr_cfg cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata); +void kiss_fftri(kiss_fftr_cfg cfg, const kiss_fft_cpx *freqdata, + kiss_fft_scalar *timedata); /* input freqdata has nfft/2+1 complex points output timedata has nfft scalar points |