660 };

   660 };

   661 

   661 

   662 std::ostream &operator << (std::ostream &os, const RandomVariable &var);

   662 std::ostream &operator << (std::ostream &os, const RandomVariable &var);

   663 std::istream &operator >> (std::istream &os, RandomVariable &var);

   663 std::istream &operator >> (std::istream &os, RandomVariable &var);

   664 

   664 

   665 ATTRIBUTE_VALUE_DEFINE (RandomVariable);

   670 ATTRIBUTE_VALUE_DEFINE (RandomVariable);

   666 ATTRIBUTE_CHECKER_DEFINE (RandomVariable);

   671 ATTRIBUTE_CHECKER_DEFINE (RandomVariable);

   667 ATTRIBUTE_ACCESSOR_DEFINE (RandomVariable);

   672 ATTRIBUTE_ACCESSOR_DEFINE (RandomVariable);

   668 

   673 

   669 }//namespace ns3

   674 }//namespace ns3