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Searched refs:nwh (Results 1 – 5 of 5) sorted by relevance

/external/webrtc/common_audio/third_party/ooura/fft_size_256/
Dfft4g.cc311 size_t j, nwh; in makewt() local
317 nwh = nw >> 1; in makewt()
318 delta = atanf(1.0f) / nwh; in makewt()
321 w[nwh] = (float)cos(delta * nwh); in makewt()
322 w[nwh + 1] = w[nwh]; in makewt()
323 if (nwh > 2) { in makewt()
324 for (j = 2; j < nwh; j += 2) { in makewt()
/external/fft2d/src/fft2d/fft2d/
Dfftsg.f575 integer nw, ip(0 : *), j, nwh, nw0, nw1 local
580 nwh = nw / 2
581 delta = atan(1.0d0) / nwh
582 wn4r = cos(delta * nwh)
585 if (nwh .eq. 4) then
588 else if (nwh .gt. 4) then
592 do j = 4, nwh - 4, 4
600 do while (nwh .gt. 2)
601 nw1 = nw0 + nwh
602 nwh = nwh / 2
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Dfft4f2d.f609 integer nw, ip(0 : *), nwh, j local
614 nwh = nw / 2
615 delta = atan(1.0d0) / nwh
618 w(nwh) = cos(delta * nwh)
619 w(nwh + 1) = w(nwh)
620 do j = 2, nwh - 2, 2
Dfft4f2d.c693 int nwh, j; in makewt() local
699 nwh = nw >> 1; in makewt()
700 delta = atan(1.0) / nwh; in makewt()
703 w[nwh] = cos(delta * nwh); in makewt()
704 w[nwh + 1] = w[nwh]; in makewt()
705 for (j = 2; j <= nwh - 2; j += 2) { in makewt()
Dfftsg.c646 int j, nwh, nw0, nw1; in makewt() local
652 nwh = nw >> 1; in makewt()
653 delta = atan(1.0) / nwh; in makewt()
654 wn4r = cos(delta * nwh); in makewt()
657 if (nwh == 4) { in makewt()
660 } else if (nwh > 4) { in makewt()
664 for (j = 4; j < nwh; j += 4) { in makewt()
672 while (nwh > 2) { in makewt()
673 nw1 = nw0 + nwh; in makewt()
674 nwh >>= 1; in makewt()
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