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/external/speex/libspeexdsp/
Dkiss_fftr.c178 spx_word32_t f1kr, f1ki, twr, twi; in kiss_fftr2() local
240 f1kr = SHL32(ADD32(EXTEND32(st->tmpbuf[k].r), EXTEND32(st->tmpbuf[ncfft-k].r)),13); in kiss_fftr2()
247 freqdata[2*k-1] = PSHR32(f1kr + twr, 15); in kiss_fftr2()
249 freqdata[2*(ncfft-k)-1] = PSHR32(f1kr - twr, 15); in kiss_fftr2()
252 freqdata[2*k-1] = .5f*(f1kr + twr); in kiss_fftr2()
254 freqdata[2*(ncfft-k)-1] = .5f*(f1kr - twr); in kiss_fftr2()