+/* static void lmm_print(lmm_system_t sys) */
+/* { */
+/* lmm_constraint_t cnst = NULL; */
+/* lmm_element_t elem = NULL; */
+/* xbt_swag_t cnst_list = NULL; */
+/* xbt_swag_t elem_list = NULL; */
+
+/* cnst_list = &(sys->active_constraint_set); */
+/* xbt_swag_foreach(cnst, cnst_list) { */
+/* elem_list = &(cnst->element_set); */
+/* xbt_swag_foreach(elem, elem_list) { */
+/* printf("%g.%p(%g) + ",elem->value, elem->variable,elem->variable->weight); */
+/* } */
+/* printf("0 <= %g \n",cnst->bound); */
+/* } */
+/* fflush(NULL); */
+/* } */
+