} s_lmm_element_t, *lmm_element_t;
#define insert_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->element_set))
#define insert_active_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->active_element_set))
} s_lmm_element_t, *lmm_element_t;
#define insert_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->element_set))
#define insert_active_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->active_element_set))