Lines Matching defs:lpf
931 static double lpf[5]; /* 150-Hz lpf delay line */
932 double data; /* lpf output */
981 memset((char *)lpf, 0, sizeof(lpf));
1011 data = (lpf[4] = lpf[3]) * 8.360961e-01;
1012 data += (lpf[3] = lpf[2]) * -3.481740e+00;
1013 data += (lpf[2] = lpf[1]) * 5.452988e+00;
1014 data += (lpf[1] = lpf[0]) * -3.807229e+00;
1015 lpf[0] = isig * DGAIN - data;
1016 data = lpf[0] * 3.281435e-03
1017 + lpf[1] * -1.149947e-02
1018 + lpf[2] * 1.654858e-02
1019 + lpf[3] * -1.149947e-02
1020 + lpf[4] * 3.281435e-03;