code: def cublasSsyr2(handle, uplo, n, alpha, x, incx, y, incy, A, lda):
      
  
      status = _libcublas.cublasSsyr2_v2(handle,
                                         _CUBLAS_FILL_MODE[uplo], n, 
                                         ctypes.byref(ctypes.c_float(alpha)),
                                         int(x), incx, int(y), incy,
                                         int(A), lda)
      cublasCheckStatus(status)
docs: Rank-2 operation on real symmetric matrix.