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/external/speex/libspeex/
Dkiss_fftr.c81 void kiss_fftr(kiss_fftr_cfg st,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata) in kiss_fftr() argument
110 freqdata[0].r = tdc.r + tdc.i; 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()
129 freqdata[k].r = HALF_OF(f1k.r + tw.r); in kiss_fftr()
130 freqdata[k].i = HALF_OF(f1k.i + tw.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()
136 void kiss_fftri(kiss_fftr_cfg st,const kiss_fft_cpx *freqdata, kiss_fft_scalar *timedata) in kiss_fftri() argument
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Dkiss_fftr.h29 void kiss_fftr(kiss_fftr_cfg cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata);
35 void kiss_fftr2(kiss_fftr_cfg st,const kiss_fft_scalar *timedata,kiss_fft_scalar *freqdata);
37 void kiss_fftri(kiss_fftr_cfg cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata);
39 void kiss_fftri2(kiss_fftr_cfg st,const kiss_fft_scalar *freqdata, kiss_fft_scalar *timedata);