/in/foo.cc: In function 'bool operator==(Complex, Complex)':
/in/foo.cc:30:14: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   return num1=num2;
          ~~~~^~~~~
/in/foo.cc: In function 'std::ostream& operator<<(std::ostream&, Complex&)':
/in/foo.cc:40:2: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^