| /external/webrtc/common_audio/third_party/ooura/fft_size_256/ |
| D | fft4g.cc | 552 float wk1r, wk1i, wk2r, wk2i, wk3r, wk3i; in cft1st() local
599 wk1i = w[k2 + 1]; in cft1st()
600 wk3r = wk1r - 2 * wk2i * wk1i; in cft1st()
601 wk3i = 2 * wk2i * wk1r - wk1i; in cft1st()
618 a[j + 2] = wk1r * x0r - wk1i * x0i; in cft1st()
619 a[j + 3] = wk1r * x0i + wk1i * x0r; in cft1st()
625 wk1i = w[k2 + 3]; in cft1st()
626 wk3r = wk1r - 2 * wk2r * wk1i; in cft1st()
627 wk3i = 2 * wk2r * wk1r - wk1i; in cft1st()
644 a[j + 10] = wk1r * x0r - wk1i * x0i; in cft1st()
[all …]
|
| /external/fft2d/src/fft2d/fft2d/ |
| D | fftsg.c | 647 double delta, wn4r, wk1r, wk1i, wk3r, wk3i; in makewt() local
679 wk1i = w[nw0 + 5]; in makewt()
681 w[nw1 + 3] = wk1i; in makewt()
689 wk1i = w[nw0 + 2 * j + 1]; in makewt()
693 w[nw1 + j + 1] = wk1i; in makewt()
1787 double wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, in cftf1st() local
1824 wk1i = csc1 * (wd1i + w[k + 1]); in cftf1st()
1860 a[j2] = wk1r * x0r - wk1i * x0i; in cftf1st()
1861 a[j2 + 1] = wk1r * x0i + wk1i * x0r; in cftf1st()
1904 a[j2] = wk1i * x0r - wk1r * x0i; in cftf1st()
[all …]
|
| D | fftsg.f | 576 real*8 w(0 : nw - 1), delta, wn4r, wk1r, wk1i, wk3r, wk3i local
607 wk1i = w(nw0 + 5)
609 w(nw1 + 3) = wk1i
617 wk1i = w(nw0 + 2 * j + 1)
621 w(nw1 + j + 1) = wk1i
1601 real*8 wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i local
1637 wk1i = csc1 * (wd1i + w(k + 1))
1673 a(j2) = wk1r * x0r - wk1i * x0i
1674 a(j2 + 1) = wk1r * x0i + wk1i * x0r
1717 a(j2) = wk1i * x0r - wk1r * x0i
[all …]
|
| D | fft4f2d.f | 815 real*8 wk1r, wk1i, wk2r, wk2i, wk3r, wk3i local
875 wk1i = w(2 * k1 + 1)
878 wk3r = wk1r - 2 * wk2i * wk1i
879 wk3i = 2 * wk2i * wk1r - wk1i
900 a(j1, i) = wk1r * x0r - wk1i * x0i
901 a(j1 + 1, i) = wk1r * x0i + wk1i * x0r
928 real*8 wk1r, wk1i, wk2r, wk2i, wk3r, wk3i local
991 wk1i = w(2 * k1 + 1)
994 wk3r = wk1r - 2 * wk2i * wk1i
995 wk3i = 2 * wk2i * wk1r - wk1i
[all …]
|
| D | fft4f2d.c | 914 double wk1r, wk1i, wk2r, wk2i, wk3r, wk3i; in cftbcol() local
975 wk1i = w[(k1 << 1) + 1]; in cftbcol()
978 wk3r = wk1r - 2 * wk2i * wk1i; in cftbcol()
979 wk3i = 2 * wk2i * wk1r - wk1i; in cftbcol()
1000 a[i][j1] = wk1r * x0r - wk1i * x0i; in cftbcol()
1001 a[i][j1 + 1] = wk1r * x0i + wk1i * x0r; in cftbcol()
1029 double wk1r, wk1i, wk2r, wk2i, wk3r, wk3i; in cftbrow() local
1093 wk1i = w[(k1 << 1) + 1]; in cftbrow()
1096 wk3r = wk1r - 2 * wk2i * wk1i; in cftbrow()
1097 wk3i = 2 * wk2i * wk1r - wk1i; in cftbrow()
[all …]
|
| /external/webrtc/common_audio/third_party/ooura/fft_size_128/ |
| D | ooura_fft.cc | 38 float wk1r, wk1i, wk2r, wk2i, wk3r, wk3i; in cft1st_128_C() local
88 wk1i = rdft_w[k2 + 1]; in cft1st_128_C()
107 a[j + 2] = wk1r * x0r - wk1i * x0i; in cft1st_128_C()
108 a[j + 3] = wk1r * x0i + wk1i * x0r; in cft1st_128_C()
114 wk1i = rdft_w[k2 + 3]; in cft1st_128_C()
133 a[j + 10] = wk1r * x0r - wk1i * x0i; in cft1st_128_C()
134 a[j + 11] = wk1r * x0i + wk1i * x0r; in cft1st_128_C()
147 float wk1r, wk1i, wk2r, wk2i, wk3r, wk3i; in cftmdl_128_C() local
205 wk1i = rdft_w[k2 + 1]; in cftmdl_128_C()
228 a[j1 + 0] = wk1r * x0r - wk1i * x0i; in cftmdl_128_C()
[all …]
|