multiply big doubles

[yiuyuho]

I tried this on my computer:

cout<<1999999999.0*1999999999.0<<endl;

and get runtime error,, why is this happening? I am using MS-windows

[junbin]

[cpp]
#include <stdio.h>
int main(void) {
printf("%llf", 1999999999.0*1999999999.0);
return 0;
}
[/cpp]

and

[cpp]
#include <iostream>

using namespace std;

int main(void) {
cout<<1999999999.0*1999999999.0<<endl;
return 0;
}
[/cpp]

both works with Visual Studio

[yiuyuho]

I see, I was using #include <iostream.h>, the old stuff and get runtime error, probably the new iostream package fixed it.

Thank You very much for your help!!