Function subtensor_fastpath

imperative/python/src/tensor_utils.cpp:942–954

}

bool subtensor_fastpath(py::handle inp_hdl, py::tuple tuple_val) {
    bool use_fastpath = true;
    for (size_t i = 0; i < tuple_val.size(); ++i) {
        PyObject* obj = tuple_val[i].ptr();
        if ((!is_scalar(obj) && !PySlice_Check(obj) && obj != Py_Ellipsis &&
             obj != Py_None) ||
            (PyObject_TypeCheck(obj, py_varnode_type))) {
            use_fastpath = false;
            break;
        }
    }
    return use_fastpath && enable_fastpath(inp_hdl);
}

py::object _broadcast_cpp(py::handle input, py::handle args) {
    py::object shape = _expand_args(args);