printing double value

From: Edo (eddod_at_eddododod.dod)
Date: 07/29/04 

Date: Thu, 29 Jul 2004 02:09:36 -0700

Hello
Why this code does not print
0.0s instead of 0, since it is doubles?

thanks

#include <iostream>
using namespace std;

//args: pointer to an array of doubles, array size
//action: prints each element of an array
void arrayPrint(double* dp, int size){
     for(int i=0; i<size; ++i){cout << dp[i] << endl;}
  }

int main() {
        double cda[3]={0,0,0};
          arrayPrint(cda, 3);

cin.sync(); getchar(); return 0;
}

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