-#define insert_active_elem_in_constraint(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
-#define remove_active_elem_in_constraint(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))
+#define make_elem_active(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
+#define make_elem_inactive(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))