The model inference results in C++ are all NAN

Questions
#1

The model inference results in C++ are all NAN. when I load the same model in python, I get the right output. Here is my C++ code.

arma::vec Complete_NN_potential::Sym_potentials(vec &input)
{
    LOG(INFO) << "Running graph executor...";
    DLDevice dev{kDLCPU, 1};
    tvm::runtime::Module mod_factory = tvm::runtime::Module::LoadFromFile("parameters/CH4Cl.so");
    // create the graph executor module
    tvm::runtime::Module gmod = mod_factory.GetFunction("default")(dev);
    tvm::runtime::PackedFunc set_input = gmod.GetFunction("set_input");
    tvm::runtime::PackedFunc get_output = gmod.GetFunction("get_output");
    tvm::runtime::PackedFunc run = gmod.GetFunction("run");
    // Use the C++ API
    tvm::runtime::NDArray x = tvm::runtime::NDArray::Empty({1, 12}, DLDataType{kDLFloat, 64, 1}, dev);
    tvm::runtime::NDArray y = tvm::runtime::NDArray::Empty({1, 8}, DLDataType{kDLFloat, 64, 1}, dev);

    for (int i = 0; i < 12; ++i)
    {
        static_cast<double *>(x->data)[i] = input(i);
    }
    std::cout << "x:" << std::endl;
    // ICHECK_EQ(static_cast<double*>(y->data)[0],8.0642538928751464e-02);
    for (int i = 0; i < 8; ++i)
    {
        std::cout << static_cast<double *>(x->data)[i] << std::endl;
    }
    // set the right input
    set_input("x", x);
    // run the code
    run();
    // get the output
    get_output(0, y);

    std::cout << "y:" << std::endl;
    // ICHECK_EQ(static_cast<double*>(y->data)[0],8.0642538928751464e-02);
    for (int i = 0; i < 8; ++i)
    {
        std::cout << static_cast<double *>(y->data)[i] << std::endl;
    }

    // const double tmp[12] = {
    //     input(0), input(1), input(2),
    //     input(3), input(4), input(5),
    //     input(6), input(7), input(8),
    //     input(9), input(10), input(11),
    // };

    vec pot = {
        static_cast<double *>(y->data)[0], static_cast<double *>(y->data)[1], static_cast<double *>(y->data)[2],
        static_cast<double *>(y->data)[3], static_cast<double *>(y->data)[4], static_cast<double *>(y->data)[5],
        static_cast<double *>(y->data)[6], static_cast<double *>(y->data)[7]};
    return pot;
}

I would be grateful if someone could help me. :pleading_face: