View Compilation Error

0_0_18085973_15350.cpp: In function 'void DFT(std::complex<double>*, int, int, std::complex<double>*)':
0_0_18085973_15350.cpp:78:25: error: lvalue required as left operand of assignment
             tA[i].real()/=len;
                         ^
0_0_18085973_15350.cpp:79:25: error: lvalue required as left operand of assignment
             tA[i].imag()/=len;
                         ^