#include <iostream>
#include <iomanip> //for the i/o manipulator setprecision
#include <cstdlib>
#include <cmath>   //for the function pow
using namespace std;

//Define this macro only when running on high-precision hardware.
#define HIGH_PRECISION

#ifdef HIGH_PRECISION
const double pi {3.141592653589793};
#else
const double pi {3.14159};
#endif

int main()
{
	const double r {1.0};    //radius of circle

	cout << "Circumference of circle = " << pi * 2 * r << "\n";
	cout << "Area of circle = " << pi * r * r << "\n";
	cout << "Surface of sphere = " << 4 * pi * r * r << "\n";
	cout << "Volume of sphere = " << 4 * pi * r * r * r / 3 << "\n";

	return EXIT_SUCCESS;
}