View Compilation Error

0_0_30160316_1502.cpp:76:17: error: expected '}' at end of input
   *this = (*this)
                 ^
0_0_30160316_1502.cpp: In member function 'void frac::sqr()':
0_0_30160316_1502.cpp:76:17: error: expected ';' at end of input
0_0_30160316_1502.cpp:76:17: error: expected '}' at end of input
0_0_30160316_1502.cpp: At global scope:
0_0_30160316_1502.cpp:76:17: error: expected unqualified-id at end of input