#pragma once

class ExpMovAvg {
public:	
	 ExpMovAvg(int* in_i, int* out_o, float lambda = 0.5) : _in_ptr(in_i), _out_ptr(out_o), _lambda(lambda) {;}

	 inline void calculate() {
	 	_ema = _lambda * (float)(*_in_ptr) + (1 - _lambda) * _ema;
	 	 *_out_ptr = _ema;
	 }

	int *_in_ptr, *_out_ptr;
	int _ema;
	float _lambda;

};