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/chre-3.4.0/external/kiss_fft/
Dkiss_fftr.c81 kiss_fft_cpx fpnk,fpk,f1k,f2k,tw,tdc; in kiss_fftr() local
126 C_ADD( f1k, fpk , fpnk ); in kiss_fftr()
130 freqdata[k].r = HALF_OF(f1k.r + tw.r); in kiss_fftr()
131 freqdata[k].i = HALF_OF(f1k.i + tw.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()