Lines Matching defs:lpf
238 double lpf[5]; /* IRIG-E filter shift register */
552 irig_e = (up->lpf[4] = up->lpf[3]) * 8.694604e-001;
553 irig_e += (up->lpf[3] = up->lpf[2]) * -3.589893e+000;
554 irig_e += (up->lpf[2] = up->lpf[1]) * 5.570154e+000;
555 irig_e += (up->lpf[1] = up->lpf[0]) * -3.849667e+000;
556 up->lpf[0] = sample - irig_e;
557 irig_e = up->lpf[0] * 3.215696e-003
558 + up->lpf[1] * -1.174951e-002
559 + up->lpf[2] * 1.712074e-002
560 + up->lpf[3] * -1.174951e-002
561 + up->lpf[4] * 3.215696e-003;