code: def cublasSsyr(handle, uplo, n, alpha, x, incx, A, lda): 
      
     
      status = _libcublas.cublasSsyr_v2(handle,
                                        _CUBLAS_FILL_MODE[uplo], n, 
                                        ctypes.byref(ctypes.c_float(alpha)),
                                        int(x), incx, int(A), lda)
      cublasCheckStatus(status)
docs: Rank-1 operation on real symmetric matrix.