1 /* Copyright (c) 2004-2012. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef _SURF_MAXMIN_PRIVATE_H
8 #define _SURF_MAXMIN_PRIVATE_H
10 #include "surf/maxmin.h"
12 #include "xbt/mallocator.h"
13 #include "surf_interface.hpp"
15 typedef struct lmm_element {
16 /* hookup to constraint */
17 s_xbt_swag_hookup_t element_set_hookup;
18 s_xbt_swag_hookup_t active_element_set_hookup;
20 lmm_constraint_t constraint;
21 lmm_variable_t variable;
24 #define make_elem_active(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
25 #define make_elem_inactive(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))
27 typedef struct lmm_constraint_light {
28 double remaining_over_usage;
29 lmm_constraint_t cnst;
30 } s_lmm_constraint_light_t;
32 typedef struct lmm_constraint {
33 /* hookup to system */
34 s_xbt_swag_hookup_t constraint_set_hookup;
35 s_xbt_swag_hookup_t active_constraint_set_hookup;
36 s_xbt_swag_hookup_t modified_constraint_set_hookup;
37 s_xbt_swag_hookup_t saturated_constraint_set_hookup;
39 s_xbt_swag_t element_set; /* a list of lmm_element_t */
40 s_xbt_swag_t active_element_set; /* a list of lmm_element_t */
49 lmm_constraint_light_t cnst_light;
52 typedef struct lmm_variable {
53 /* hookup to system */
54 s_xbt_swag_hookup_t variable_set_hookup;
55 s_xbt_swag_hookup_t saturated_variable_set_hookup;
57 s_lmm_element_t *cnsts;
65 unsigned visited; /* used by lmm_update_modified_set */
66 /* \begin{For Lagrange only} */
69 double (*func_f) (struct lmm_variable * var, double x); /* (f) */
70 double (*func_fp) (struct lmm_variable * var, double x); /* (f') */
71 double (*func_fpi) (struct lmm_variable * var, double x); /* (f')^{-1} */
72 /* \end{For Lagrange only} */
75 typedef struct lmm_system {
77 int selective_update_active; /* flag to update partially the system only selecting changed portions */
78 unsigned visited_counter; /* used by lmm_update_modified_set */
79 s_xbt_swag_t variable_set; /* a list of lmm_variable_t */
80 s_xbt_swag_t constraint_set; /* a list of lmm_constraint_t */
82 s_xbt_swag_t active_constraint_set; /* a list of lmm_constraint_t */
83 s_xbt_swag_t modified_constraint_set; /* a list of modified lmm_constraint_t */
85 s_xbt_swag_t saturated_variable_set; /* a list of lmm_variable_t */
86 s_xbt_swag_t saturated_constraint_set; /* a list of lmm_constraint_t_t */
88 ActionLmmListPtr keep_track;
90 xbt_mallocator_t variable_mallocator;
93 #define extract_variable(sys) xbt_swag_extract(&(sys->variable_set))
94 #define extract_constraint(sys) xbt_swag_extract(&(sys->constraint_set))
95 #define insert_constraint(sys,cnst) xbt_swag_insert(cnst,&(sys->constraint_set))
96 #define remove_variable(sys,var) do {xbt_swag_remove(var,&(sys->variable_set));\
97 xbt_swag_remove(var,&(sys->saturated_variable_set));} while(0)
98 #define remove_constraint(sys,cnst) do {xbt_swag_remove(cnst,&(sys->constraint_set));\
99 xbt_swag_remove(cnst,&(sys->saturated_constraint_set));} while(0)
100 #define make_constraint_active(sys,cnst) xbt_swag_insert(cnst,&(sys->active_constraint_set))
101 #define make_constraint_inactive(sys,cnst) \
102 do { xbt_swag_remove(cnst, &sys->active_constraint_set); \
103 xbt_swag_remove(cnst, &sys->modified_constraint_set); } while (0)
105 void lmm_print(lmm_system_t sys);
107 extern double (*func_f_def) (lmm_variable_t, double);
108 extern double (*func_fp_def) (lmm_variable_t, double);
109 extern double (*func_fpi_def) (lmm_variable_t, double);
111 #endif /* _SURF_MAXMIN_PRIVATE_H */