Function is_fbs_file

src/serialization/impl/serializer_oss_common.cpp:8–14

namespace serialization {

bool is_fbs_file(InputFile& file) {
    //! check whether the model format is flatbuffer v2
    uint64_t magic_with_reserved = 0;
    file.read(&magic_with_reserved, sizeof(magic_with_reserved));
    file.skip(-sizeof(magic_with_reserved));
    return (magic_with_reserved == MGB_MAGIC) || (magic_with_reserved == MAGIC_V0);
}

void check_tensor_value_valid(const std::string& name, const HostTensorND& tensor) {
    bool cond_normal = tensor.layout().format.is_default() &&