Searched refs:f2k (Results 1 – 2 of 2) sorted by relevance
| /external/speex/libspeex/ |
| D | kiss_fftr.c | 85 kiss_fft_cpx fpnk,fpk,f1k,f2k,tw,tdc; in kiss_fftr() local
126 C_SUB( f2k, fpk , fpnk ); in kiss_fftr()
127 C_MUL( tw , f2k , st->super_twiddles[k]); in kiss_fftr()
177 kiss_fft_cpx f2k,tdc; in kiss_fftr2() local
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()
243 …twr = SHR32(SUB32(MULT16_16(f2k.r,st->super_twiddles[k].r),MULT16_16(f2k.i,st->super_twiddles[k].i… in kiss_fftr2()
244 …twi = SHR32(ADD32(MULT16_16(f2k.i,st->super_twiddles[k].r),MULT16_16(f2k.r,st->super_twiddles[k].i… in kiss_fftr2()
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| /external/eigen/unsupported/Eigen/src/FFT/ |
| D | ei_kissfft_impl.h | 326 Complex f2k = fpk - fpnk; in fwd() local
327 Complex tw= f2k * rtw[k-1]; in fwd()
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