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/liblc3-latest/src/
Dmdct.c41 static const float sin1 = -0.9510565163; /* sin(-2Pi 1/5) */ in fft_5() local
60 y[1].re = x[0].re + s14.re * cos1 - d14.im * sin1 in fft_5()
63 y[1].im = x[0].im + s14.im * cos1 + d14.re * sin1 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()
78 y[4].re = x[0].re + s14.re * cos1 + d14.im * sin1 in fft_5()
81 y[4].im = x[0].im + s14.im * cos1 - d14.re * sin1 in fft_5()
Dmdct_neon.h42 float32x2_t sin1 = vcreate_f32(__sin1.u64); in neon_fft_5() local
47 float32x4_t sin1q = vcombine_f32(sin1, sin1); in neon_fft_5()