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73 const float xn = *input + delta; in biquad_filter_fast() local75 const float xn = *input; in biquad_filter_fast()77 float yn = (OCCUPANCY >> 0 & 1) * b0 * xn + s1n1; in biquad_filter_fast()78 s1n1 = (OCCUPANCY >> 1 & 1) * b1 * xn + (OCCUPANCY >> 3 & 1) * negativeA1 * yn + s2n1; in biquad_filter_fast()79 s2n1 = (OCCUPANCY >> 2 & 1) * b2 * xn + (OCCUPANCY >> 4 & 1) * negativeA2 * yn; in biquad_filter_fast()