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. */
12 typedef struct lmm_variable *lmm_variable_t;
13 typedef struct lmm_constraint *lmm_constraint_t;
14 typedef struct lmm_system *lmm_system_t;
16 lmm_system_t lmm_system_new(void);
17 void lmm_system_free(lmm_system_t sys);
18 void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var);
20 lmm_constraint_t lmm_constraint_new(lmm_system_t sys, void *id,
22 void lmm_constraint_shared(lmm_constraint_t cnst);
24 void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
26 lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
28 double bound, int number_of_constraints);
29 void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
30 double lmm_variable_getvalue(lmm_variable_t var);
33 void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
34 lmm_variable_t var, double value);
35 void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst,
36 lmm_variable_t var, double value);
37 void lmm_elem_set_value(lmm_system_t sys, lmm_constraint_t cnst,
38 lmm_variable_t var, double value);
40 lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
41 lmm_variable_t var, int num);
42 int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var);
43 lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys,
44 lmm_constraint_t cnst,
45 lmm_variable_t * var);
47 lmm_constraint_t lmm_get_first_active_constraint(lmm_system_t sys);
48 lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys, lmm_constraint_t cnst);
50 void *lmm_constraint_id(lmm_constraint_t cnst);
51 void *lmm_variable_id(lmm_variable_t var);
53 void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
54 lmm_variable_t var, double value);
55 void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
57 void lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
59 double lmm_get_variable_weight(lmm_variable_t var);
61 void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
64 int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
66 void lmm_solve(lmm_system_t sys);
67 #endif /* _SURF_MAXMIN_H */