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Searched refs:k2 (Results 1 – 2 of 2) sorted by relevance

/device/google/dragon/audio/hal/dsp/
Dbiquad.c169 double k2 = 2 * sqrt(A) * alpha; in biquad_lowshelf() local
173 double b0 = A * (a_plus_one - a_minus_one * k + k2); in biquad_lowshelf()
175 double b2 = A * (a_plus_one - a_minus_one * k - k2); in biquad_lowshelf()
176 double a0 = a_plus_one + a_minus_one * k + k2; in biquad_lowshelf()
178 double a2 = a_plus_one + a_minus_one * k - k2; in biquad_lowshelf()
204 double k2 = 2 * sqrt(A) * alpha; in biquad_highshelf() local
208 double b0 = A * (a_plus_one + a_minus_one * k + k2); in biquad_highshelf()
210 double b2 = A * (a_plus_one + a_minus_one * k - k2); in biquad_highshelf()
211 double a0 = a_plus_one - a_minus_one * k + k2; in biquad_highshelf()
213 double a2 = a_plus_one - a_minus_one * k - k2; in biquad_highshelf()
/device/google/contexthub/firmware/src/algos/
Dfusion.c286 float k2 = cosf(hlwedT); in fusionPredict() local
295 matrixCross(&O33, &negPsi, k2); in fusionPredict()
309 O.elem[3][3] = k2; in fusionPredict()