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/chre-3.4.0/external/kiss_fft/
Dkiss_fftr.c80 int k,ncfft; in kiss_fftr() local
92 ncfft = st->substate->nfft; in kiss_fftr()
112 freqdata[ncfft].r = tdc.r - tdc.i; in kiss_fftr()
114 freqdata[ncfft].i = freqdata[0].i = _mm_set1_ps(0); in kiss_fftr()
116 freqdata[ncfft].i = freqdata[0].i = 0; in kiss_fftr()
119 for ( k=1;k <= ncfft/2 ; ++k ) { in kiss_fftr()
121 fpnk.r = st->tmpbuf[ncfft-k].r; in kiss_fftr()
122 fpnk.i = - st->tmpbuf[ncfft-k].i; in kiss_fftr()
132 freqdata[ncfft-k].r = HALF_OF(f1k.r - tw.r); in kiss_fftr()
133 freqdata[ncfft-k].i = HALF_OF(tw.i - f1k.i); in kiss_fftr()
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