View Compilation Error

0_0_18383583_14799.cpp:87:21: error: expected '}' at end of input
   return atan2(y, x);
                     ^
0_0_18383583_14799.cpp: In member function 'double point::arg()':
0_0_18383583_14799.cpp:87:21: error: expected '}' at end of input
0_0_18383583_14799.cpp: At global scope:
0_0_18383583_14799.cpp:87:21: error: expected unqualified-id at end of input