클래스 ArrayUtility (int배열을 double배열로, double배열을 int배열로)

#include<iostream>
using namespace std;

class ArrayUtility {
public:
	static void intToDouble(int source[], double dest[], int size);
	static void doubleToInt(double source[], int dest[], int size);
};

void ArrayUtility::intToDouble(int source[], double dest[], int size) {
	for (int i = 0; i < size; i++) {
		dest[i] = (double)source[i];
	}
}

void ArrayUtility::doubleToInt(double source[], int dest[], int size) {
	for (int j = 0; j < size; j++) {
		dest[j] = (int)source[j];
	}
}


int main() {
	int x[] = { 1,2,3,4,5 };
	double y[5];
	double z[] = { 9.9,8.8,7.7,6.6,5.6 };

	ArrayUtility::intToDouble(x, y, 5);
	for (int i = 0; i < 5; i++) cout << y[i] << ' ';
	cout << endl;

	ArrayUtility::doubleToInt(z, x, 5);
	for (int i = 0; i < 5; i++) cout << x[i] << ' ';
	cout << endl;
}