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/liblc3-latest/src/
Dmdct.c51 struct lc3_complex s23 = in fft_5() local
56 y[0].re = x[0].re + s14.re + s23.re; in fft_5()
58 y[0].im = x[0].im + s14.im + s23.im; in fft_5()
61 + s23.re * cos2 - d23.im * sin2; in fft_5()
64 + s23.im * cos2 + d23.re * sin2; in fft_5()
67 + s23.re * cos1 + d23.im * sin1; in fft_5()
70 + s23.im * cos1 - d23.re * sin1; in fft_5()
73 + s23.re * cos1 - d23.im * sin1; in fft_5()
76 + s23.im * cos1 + d23.re * sin1; in fft_5()
79 + s23.re * cos2 + d23.im * sin2; in fft_5()
[all …]
Dmdct_neon.h63 float32x4_t s23 = vaddq_f32(x2, x3); in neon_fft_5() local
68 y0 = vaddq_f32( x0, vaddq_f32(s14, s23) ); in neon_fft_5()
71 y4 = vfmaq_f32( y4, s23, cos2q ); in neon_fft_5()
80 y3 = vfmaq_f32( y3, s23, cos1q ); in neon_fft_5()