Lines Matching refs:nfft
35 kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem) in kiss_fftr_alloc() argument
41 if (nfft & 1) { in kiss_fftr_alloc()
47 nfft >>= 1; in kiss_fftr_alloc()
49 kiss_fft_alloc (nfft, inverse_fft, NULL, &subsize); in kiss_fftr_alloc()
50 …memneeded = sizeof(struct kiss_fftr_state) + subsize + sizeof(kiss_fft_cpx) * (size_t)( nfft * 3 /… in kiss_fftr_alloc()
64 st->super_twiddles = st->tmpbuf + nfft; in kiss_fftr_alloc()
65 kiss_fft_alloc(nfft, inverse_fft, st->substate, &subsize); in kiss_fftr_alloc()
67 for (i = 0; i < nfft/2; ++i) { in kiss_fftr_alloc()
69 -3.14159265358979323846264338327 * ((double) (i+1) / nfft + .5); in kiss_fftr_alloc()
92 ncfft = st->substate->nfft; in kiss_fftr()
151 ncfft = st->substate->nfft; in kiss_fftri()