3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #ifndef _SURF_MAXMIN_PRIVATE_H
9 #define _SURF_MAXMIN_PRIVATE_H
11 #include "surf/maxmin.h"
14 typedef struct lmm_element {
15 /* hookup to constraint */
16 s_xbt_swag_hookup_t element_set_hookup;
17 s_xbt_swag_hookup_t active_element_set_hookup;
19 lmm_constraint_t constraint;
20 lmm_variable_t variable;
22 } s_lmm_element_t, *lmm_element_t;
23 #define make_elem_active(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
24 #define make_elem_inactive(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))
26 typedef struct lmm_constraint {
27 /* hookup to system */
28 s_xbt_swag_hookup_t constraint_set_hookup;
29 s_xbt_swag_hookup_t active_constraint_set_hookup;
30 s_xbt_swag_hookup_t saturated_constraint_set_hookup;
32 s_xbt_swag_t element_set; /* a list of lmm_mat_element_t */
33 s_xbt_swag_t active_element_set; /* a list of lmm_mat_element_t */
41 typedef struct lmm_variable {
42 /* hookup to system */
43 s_xbt_swag_hookup_t variable_set_hookup;
44 s_xbt_swag_hookup_t saturated_variable_set_hookup;
46 s_lmm_element_t *cnsts;
55 typedef struct lmm_system {
57 s_xbt_swag_t variable_set; /* a list of lmm_variable_t */
58 s_xbt_swag_t constraint_set; /* a list of lmm_constraint_t */
60 s_xbt_swag_t active_constraint_set; /* a list of lmm_constraint_t */
62 s_xbt_swag_t saturated_variable_set; /* a list of lmm_variable_t */
63 s_xbt_swag_t saturated_constraint_set; /* a list of lmm_constraint_t_t */
66 #define extract_variable(sys) xbt_swag_remove(xbt_swag_getFirst(&(sys->variable_set)),&(sys->variable_set))
67 #define extract_constraint(sys) xbt_swag_remove(xbt_swag_getFirst(&(sys->constraint_set)),&(sys->constraint_set))
68 #define insert_constraint(sys,cnst) xbt_swag_insert(cnst,&(sys->constraint_set))
69 #define remove_variable(sys,var) do {xbt_swag_remove(var,&(sys->variable_set));\
70 xbt_swag_remove(var,&(sys->saturated_variable_set));} while(0)
71 #define remove_constraint(sys,cnst) do {xbt_swag_remove(cnst,&(sys->constraint_set));\
72 xbt_swag_remove(cnst,&(sys->saturated_constraint_set));} while(0)
73 #define remove_active_constraint(sys,cnst) xbt_swag_remove(cnst,&(sys->active_constraint_set))
74 #define make_constraint_active(sys,cnst) xbt_swag_insert(cnst,&(sys->active_constraint_set))
75 #define make_constraint_inactive(sys,cnst) remove_active_constraint(sys,cnst)
77 static void lmm_var_free(lmm_system_t sys, lmm_variable_t var);
78 static void lmm_cnst_free(lmm_system_t sys, lmm_constraint_t cnst);
80 #endif /* _SURF_MAXMIN_PRIVATE_H */