/*
* Check whether you have the complex polar (complex, complex) function.
*/
# include <complex>
using namespace std;
int main()
{
/* In order to get an error with g++ need to take real */
complex<double> x,y;
double d;
d=real(polar(x,y));
d=real(polar(x,2.0));
d=real(polar(2.0,y));
return 0;
}