code: def cublasZsyr(handle, uplo, n, alpha, x, incx, A, lda):
      
  
      status = _libcublas.cublasZsyr_v2(handle,
                                          _CUBLAS_FILL_MODE[uplo], n, 
                                          ctypes.byref(cuda.cuDoubleComplex(alpha.real,
                                                                          alpha.imag)),
                                          int(x), incx, int(A), lda)
      cublasCheckStatus(status)
docs: Rank-1 operation on complex symmetric matrix.