how to fix serialization of std::vector

DynamicArray.h

                virtual void load_serializable_post() throw (ShogunException)
                {
                        CSGObject::load_serializable_post();
                        m_array.assign(m_array_content, m_array_content+num_elements);
                        SG_FREE(m_array_content);
                        m_array.shrink_to_fit();
                }

                /** Can (optionally) be overridden to pre-initialize some member
                 *  variables which are not PARAMETER::ADD'ed.  Make sure that at
                 *  first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE
                 *  is called.
                 *
                 *  @exception ShogunException Will be thrown if an error
                 *                             occurres.
                 */
                virtual void save_serializable_pre() throw (ShogunException)
                {
                        CSGObject::save_serializable_pre();
                        m_array.shrink_to_fit();
                        m_array_content = m_array.data();
                }

        private:

                /** register parameters */
                virtual void init()
                {
                        set_generic<T>();

                        m_parameters->add_vector(&m_array_content, &num_elements, "array",
                                        "Memory for dynamic array.");
                        SG_ADD(
                            &free_array, "free_array", "whether array must be freed",
                            MS_NOT_AVAILABLE);
                        SG_ADD(&dim1_size, "dim1_size", "Dimension 1", MS_NOT_AVAILABLE);
                        SG_ADD(&dim2_size, "dim2_size", "Dimension 2", MS_NOT_AVAILABLE);
                        SG_ADD(&dim3_size, "dim3_size", "Dimension 3", MS_NOT_AVAILABLE);
                }

        protected:

                /** underlying array */
                std::vector<T> m_array;
                T* m_array_content;