utils.h

#ifndef UTILS_H
#define UTILS_H
 
#include <vector>
#include <cmath>
#include "fft.h"
#include "params.h"
 
using namespace std;
 

class Utils
{
public:
    static void applyWindow(vector<double> &v);
 

    static vector<double> generateWindow(int s);
 

    static double sinc(double x);

    static void normalize(vector<vector<double>> &v);
 

    static void normalize(vector<double> &v);
    static void gain(vector<vector<double>> &v, double g);

    static void  convolve(vector<double>& v1, const vector<double>& v2);

    static int nextPowerOfTwo(int n);
 

    static vector<complex<double>> scaleComplex(const vector<complex<double>>& v, double k);

    static vector<complex<double>> addComplex(const vector<complex<double>>& u, const vector<complex<double>>& v);
 
 
};
 
#endif