Lines Matching defs:ncfft
55 register int ncfft, ncfft2, k;
59 ncfft = st->substate->nfft;
60 ncfft2 = ncfft >> 1;
77 freqdata[ncfft].r = tdcr - tdci;
78 freqdata[ncfft].i = freqdata[0].i = 0;
86 i = ncfft-k;
113 register int k, ncfft, ncfft2;
117 ncfft = st->substate->nfft;
118 ncfft2 = ncfft >> 1;
131 fqnr = freqdata[ncfft].r;
142 i = ncfft-k;
167 register int k, ncfft;
171 ncfft = st->substate->nfft;
181 freqdata[ncfft].r = tdcr - tdci;
182 freqdata[ncfft].i = freqdata[0].i = 0;
184 for ( k=1;k <= ncfft/2 ; ++k )
187 fpnk.r = tmpbuf[ncfft-k].r;
188 fpnk.i = -tmpbuf[ncfft-k].i;
196 freqdata[ncfft-k].r = HALF_OF(f1k.r - twk.r);
197 freqdata[ncfft-k].i = HALF_OF(twk.i - f1k.i);
204 register int k, ncfft;
208 ncfft = st->substate->nfft;
212 tmpbuf[0].r = freqdata[0].r + freqdata[ncfft].r;
213 tmpbuf[0].i = freqdata[0].r - freqdata[ncfft].r;
215 for (k = 1; k <= ncfft / 2; ++k)
219 fnkc.r = freqdata[ncfft - k].r;
220 fnkc.i = -freqdata[ncfft - k].i;
227 tmpbuf[ncfft - k].r = tmp.r;
228 tmpbuf[ncfft - k].i = -tmp.i;