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    Searched refs:ncfft (Results 1 - 2 of 2) sorted by null

  /external/speex/libspeex/
kiss_fftr.c 84 int k,ncfft; local
91 ncfft = st->substate->nfft;
111 freqdata[ncfft].r = tdc.r - tdc.i;
113 freqdata[ncfft].i = freqdata[0].i = _mm_set1_ps(0);
115 freqdata[ncfft].i = freqdata[0].i = 0;
118 for ( k=1;k <= ncfft/2 ; ++k ) {
120 fpnk.r = st->tmpbuf[ncfft-k].r;
121 fpnk.i = - st->tmpbuf[ncfft-k].i;
131 freqdata[ncfft-k].r = HALF_OF(f1k.r - tw.r);
132 freqdata[ncfft-k].i = HALF_OF(tw.i - f1k.i)
139 int k, ncfft; local
176 int k,ncfft; local
264 int k, ncfft; local
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  /external/eigen/unsupported/Eigen/src/FFT/
ei_kissfft_impl.h 313 int ncfft = nfft>>1; local
318 fwd( dst, reinterpret_cast<const Complex*> (src), ncfft);
324 Complex fpnk = conj(dst[ncfft-k]);
329 dst[ncfft-k] = conj(f1k -tw)*Scalar(.5);
332 dst[ncfft] = nyquist;
358 int ncfft = nfft>>1; local
361 m_tmpBuf1.resize(ncfft);
362 m_tmpBuf1[0] = Complex( src[0].real() + src[ncfft].real(), src[0].real() - src[ncfft].real() );
363 for (int k = 1; k <= ncfft / 2; ++k)
407 int ncfft= ncfft2<<1; local
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