셀맨의 일상 블로그

#include <iostream>

using namespace std;

class ArrayUtility{

public:

        static void intToDouble(int source[], double dest[], int size);

        //int[]를 double[]로 변환

        static void doubleToInt(double source[], int dest[], int size);

        //double[]을 int[]로 변환

};

void ArrayUtility::intToDouble(int source[], double dest[], int size){

        for(int i=0;i<size;i++){

               dest[i]=(double)source[i]; //강제 형변환

        }

}

void ArrayUtility::doubleToInt(double source[], int dest[], int size){

        for(int i=0;i<size;i++){

               dest[i]=(int)source[i]; //강제 형변환, 소수점은 날아간다.

        }

}

int main(void){

        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); // x[]-> y[]

        for(int i=0;i<5;i++) cout << y[i] << ' ';

        cout << endl;

        ArrayUtility::doubleToInt(z,x,5); //z[]->x[]

        for(int i=0;i<5;i++) cout << x[i] << ' ';

        cout << endl;

        return 0;

}

}