src/surf/maxmin_private.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 #include "surf/maxmin.h"
   7 #include "xbt/swag.h"
   8
   9 typedef struct lmm_element {
  10   /* hookup to constraint */
  11   s_xbt_swag_hookup_t element_set_hookup;
  12   s_xbt_swag_hookup_t active_element_set_hookup;
  13
  14   lmm_constraint_t constraint;
  15   lmm_variable_t variable;
  16   FLOAT value;
  17 } s_lmm_element_t, *lmm_element_t;
  18 #define insert_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->element_set))
  19 #define insert_active_elem_in_constraint(elem) xbt_swag_insert(elem,&(elem->constraint->active_element_set))
  20 #define remove_active_elem_in_constraint(elem) xbt_swag_extract(elem,&(elem->constraint->active_element_set))
  21
  22 typedef struct lmm_constraint {
  23   /* hookup to system */
  24   s_xbt_swag_hookup_t constraint_set_hookup;
  25   s_xbt_swag_hookup_t active_constraint_set_hookup;
  26   s_xbt_swag_hookup_t saturated_constraint_set_hookup;
  27
  28   s_xbt_swag_t element_set;     /* a list of lmm_mat_element_t */
  29   s_xbt_swag_t active_element_set;      /* a list of lmm_mat_element_t */
  30   FLOAT bound;
  31   FLOAT remaining;
  32   FLOAT usage;
  33   char *id;
  34 } s_lmm_constraint_t;
  35
  36 typedef struct lmm_variable {
  37   /* hookup to system */
  38   s_xbt_swag_hookup_t variable_set_hookup;
  39   s_xbt_swag_hookup_t saturated_variable_set_hookup;
  40
  41   s_lmm_element_t *cnsts;
  42   int cnsts_size;
  43   int cnsts_number;
  44   FLOAT weight;
  45   FLOAT bound;
  46   FLOAT value;
  47   char *id;
  48 } s_lmm_variable_t;
  49
  50 typedef struct lmm_system {
  51   s_xbt_swag_t variable_set;    /* a list of lmm_variable_t */
  52   s_xbt_swag_t constraint_set;  /* a list of lmm_constraint_t */
  53
  54   s_xbt_swag_t active_constraint_set;   /* a list of lmm_constraint_t */
  55
  56   s_xbt_swag_t saturated_variable_set;  /* a list of lmm_variable_t */
  57   s_xbt_swag_t saturated_constraint_set;/* a list of lmm_constraint_t_t */
  58 } s_lmm_system_t;
  59
  60 #define extract_variable(sys) xbt_swag_extract(xbt_swag_getFirst(&(sys->variable_set)),&(sys->variable_set))
  61 #define extract_constraint(sys) xbt_swag_extract(xbt_swag_getFirst(&(sys->constraint_set)),&(sys->constraint_set))
  62 #define insert_variable(sys,var) xbt_swag_insert(var,&(sys->variable_set))
  63 #define insert_constraint(sys,cnst) xbt_swag_insert(cnst,&(sys->constraint_set))
  64 #define remove_variable(sys,var) do {xbt_swag_extract(var,&(sys->variable_set));\
  65                                  xbt_swag_extract(var,&(sys->saturated_variable_set));} while(0)
  66 #define remove_constraint(sys,cnst) do {xbt_swag_extract(cnst,&(sys->constraint_set));\
  67                                         xbt_swag_extract(cnst,&(sys->saturated_constraint_set));} while(0)
  68 #define remove_active_constraint(sys,cnst) xbt_swag_extract(cnst,&(sys->active_constraint_set))
  69 #define make_constraint_active(sys,cnst) xbt_swag_insert(cnst,&(sys->active_constraint_set))
  70 #define make_constraint_inactive(sys,cnst) remove_active_constraint(sys,cnst)
  71
  72 static void lmm_var_free(lmm_system_t sys, lmm_variable_t var);
  73 static void lmm_cnst_free(lmm_system_t sys, lmm_constraint_t cnst);
  74
  75 /* #define UNDEFINED_VALUE -1.0 */
  76 #define UNUSED_CONSTRAINT -2.0