precision demo

#include <iostream>

using namespace std;

int main( )
{  
    double d = 7;
    cout << d << endl;
    for (int i = 0; i < 10; i++)
    {
        d -= 0.7;
        cout << d << endl;
    }
    if (d == 0.0) cout << "Yes";
    else cout << "No" << endl;
    cout << d << endl;
}