84     int k,ncfft;  in kiss_fftr()  local
91     ncfft = st->substate->nfft;  in kiss_fftr()
111     freqdata[ncfft].r = tdc.r - tdc.i;  in kiss_fftr()
113     freqdata[ncfft].i = freqdata[0].i = _mm_set1_ps(0);  in kiss_fftr()
115     freqdata[ncfft].i = freqdata[0].i = 0;  in kiss_fftr()
118     for ( k=1;k <= ncfft/2 ; ++k ) {  in kiss_fftr()
120         fpnk.r =   st->tmpbuf[ncfft-k].r;  in kiss_fftr()
121         fpnk.i = - st->tmpbuf[ncfft-k].i;  in kiss_fftr()
131         freqdata[ncfft-k].r = HALF_OF(f1k.r - tw.r);  in kiss_fftr()
132         freqdata[ncfft-k].i = HALF_OF(tw.i - f1k.i);  in kiss_fftr()
139     int k, ncfft;  in kiss_fftri()  local
145     ncfft = st->substate->nfft;  in kiss_fftri()
147     st->tmpbuf[0].r = freqdata[0].r + freqdata[ncfft].r;  in kiss_fftri()
148     st->tmpbuf[0].i = freqdata[0].r - freqdata[ncfft].r;  in kiss_fftri()
151     for (k = 1; k <= ncfft / 2; ++k) {  in kiss_fftri()
154         fnkc.r = freqdata[ncfft - k].r;  in kiss_fftri()
155         fnkc.i = -freqdata[ncfft - k].i;  in kiss_fftri()
163         C_SUB (st->tmpbuf[ncfft - k], fek, fok);  in kiss_fftri()
165         st->tmpbuf[ncfft - k].i *= _mm_set1_ps(-1.0);  in kiss_fftri()
167         st->tmpbuf[ncfft - k].i *= -1;  in kiss_fftri()
176    int k,ncfft;  in kiss_fftr2()  local
184    ncfft = st->substate->nfft;  in kiss_fftr2()
204    freqdata[2*ncfft-1] = tdc.r - tdc.i;  in kiss_fftr2()
206    for ( k=1;k <= ncfft/2 ; ++k )  in kiss_fftr2()
237       f2k.r = SHR32(SUB32(EXTEND32(st->tmpbuf[k].r), EXTEND32(st->tmpbuf[ncfft-k].r)),1);  in kiss_fftr2()
238       f2k.i = PSHR32(ADD32(EXTEND32(st->tmpbuf[k].i), EXTEND32(st->tmpbuf[ncfft-k].i)),1);  in kiss_fftr2()
240       f1kr = SHL32(ADD32(EXTEND32(st->tmpbuf[k].r), EXTEND32(st->tmpbuf[ncfft-k].r)),13);  in kiss_fftr2()
241       f1ki = SHL32(SUB32(EXTEND32(st->tmpbuf[k].i), EXTEND32(st->tmpbuf[ncfft-k].i)),13);  in kiss_fftr2()
249       freqdata[2*(ncfft-k)-1] = PSHR32(f1kr - twr, 15);  in kiss_fftr2()
250       freqdata[2*(ncfft-k)] = PSHR32(twi - f1ki, 15);  in kiss_fftr2()
254       freqdata[2*(ncfft-k)-1] = .5f*(f1kr - twr);  in kiss_fftr2()
255       freqdata[2*(ncfft-k)] = .5f*(twi - f1ki);  in kiss_fftr2()
264    int k, ncfft;  in kiss_fftri2()  local
270    ncfft = st->substate->nfft;  in kiss_fftri2()
272    st->tmpbuf[0].r = freqdata[0] + freqdata[2*ncfft-1];  in kiss_fftri2()
273    st->tmpbuf[0].i = freqdata[0] - freqdata[2*ncfft-1];  in kiss_fftri2()
276    for (k = 1; k <= ncfft / 2; ++k) {  in kiss_fftri2()
280       fnkc.r = freqdata[2*(ncfft - k)-1];  in kiss_fftri2()
281       fnkc.i = -freqdata[2*(ncfft - k)];  in kiss_fftri2()
289       C_SUB (st->tmpbuf[ncfft - k], fek, fok);  in kiss_fftri2()
291       st->tmpbuf[ncfft - k].i *= _mm_set1_ps(-1.0);  in kiss_fftri2()
293       st->tmpbuf[ncfft - k].i *= -1;  in kiss_fftri2()