src/include/surf/maxmin.h

   1 /* Authors: Arnaud Legrand                                                  */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4    under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #ifndef _SURF_MAXMIN_H
   7 #define _SURF_MAXMIN_H
   8
   9 typedef long double xbt_maxmin_float_t;
  10 #define XBT_MAXMIN_FLOAT_T "%Lg"        /* for printing purposes */
  11
  12 typedef struct lmm_variable *lmm_variable_t;
  13 typedef struct lmm_constraint *lmm_constraint_t;
  14 typedef struct lmm_system *lmm_system_t;
  15
  16 lmm_system_t lmm_system_new(void);
  17 void lmm_system_free(lmm_system_t sys);
  18
  19 lmm_constraint_t lmm_constraint_new(lmm_system_t sys, void *id,
  20                                     xbt_maxmin_float_t bound_value);
  21 void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
  22
  23 lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
  24                                 xbt_maxmin_float_t weight_value,
  25                                 xbt_maxmin_float_t bound,
  26                                 int number_of_constraints);
  27 void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
  28 xbt_maxmin_float_t lmm_variable_getvalue(lmm_variable_t var);
  29
  30
  31 void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
  32                 lmm_variable_t var, xbt_maxmin_float_t value);
  33
  34 void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
  35                 lmm_variable_t var, xbt_maxmin_float_t value);
  36 void lmm_update_variable_bound(lmm_variable_t var,
  37                                xbt_maxmin_float_t bound);
  38 void lmm_update_variable_weight(lmm_variable_t var,
  39                                 xbt_maxmin_float_t weight);
  40 void lmm_update_constraint_bound(lmm_constraint_t cnst,
  41                                  xbt_maxmin_float_t bound);
  42
  43 void lmm_solve(lmm_system_t sys);
  44 #endif                          /* _SURF_MAXMIN_H */