// Obviously, this code heavily depends on the platform you compile for and run on.

#include <iostream>

int main()
{
  using namespace std;

  float zero_plus = 1e-200;
  float zero_minus = -1e-200;

  cout << showpos
       << "Positive zero: " << zero_plus << endl
       << "Negative zero: " << zero_minus << endl

       << "Reciprocal of +0: " << 1/zero_plus << endl
       << "Reciprocal of -0: " << 1/zero_minus << endl

       << "Product of -0 and +0: " << zero_plus * zero_minus << endl
       << "Product of -0 and -0: " << zero_minus * zero_minus << endl;
}