component lowpass "Low-pass filter";
pin in float in;
pin out float out " out += (in - out) * gain ";
pin in bit load "When TRUE, copy \\fBin\\fR to \\fBout\\fR instead of applying the filter equation.";
param rw float gain;
function _;
license "GPL";
notes "The effect of a specific \\fBgain\\fR value is dependent on the period of the function that \\fBlowpass.\\fIN\\fR is added to";
;;
FUNCTION(_) {
    if(load)
	out = in;
    else
	out += (in - out) * gain;
}