TSU::Trigo Node1 TSU::Trigo + atan2leg() + atan2() Node2 std::vector< int > + elements Node2->Node1 +CosInt +SinInt +CoslegInt +SinlegInt Node3 std::vector< std::string > Node3->Node1 +Cosleg +Sinleg +Sin +Cos Node4 std::string Node4->Node3 +elements Node5 std::basic_string< char > Node5->Node4