23 #ifndef INCLUDED_GRI_AGC_FF_H
24 #define INCLUDED_GRI_AGC_FF_H
38 float gain = 1.0,
float max_gain = 0.0)
39 : _rate(rate), _reference(reference), _gain(gain), _max_gain(max_gain) {};
41 float rate ()
const {
return _rate; }
43 float gain ()
const {
return _gain; }
52 float output = input * _gain;
53 _gain += (_reference - fabsf (output)) * _rate;
54 if (_max_gain > 0.0 && _gain > _max_gain)
59 void scaleN (
float output[],
const float input[],
unsigned n){
60 for (
unsigned i = 0; i < n; i++)
61 output[i] = scale (input[i]);