class DFT : public sinusoida {
	double sumRe, sumIm;
	double *y, *sumMod;

public:
	DFT() :sinusoida() {
		sumMod = new double[N];

	}

	void generateDFT() {
		for (int i = 0; i < N; i++) {
			for (int j = 0; j < N; j++) {
				sumRe += x[i] * cos(2 * M_PI * j * i);
				sumIm += y[i] * sin(2 * M_PI * j * i);
			}

			sumMod[i] +=(sqrt (pow(sumRe, 2) + pow(sumIm, 2)));
			time[i] = i * (fs / N);
			sumRe = 0;
			sumIm = 0;
		}


	}