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[simgrid.git] / src / surf / maxmin.c
index 3a1c4e2..637555f 100644 (file)
@@ -57,7 +57,7 @@ void lmm_system_free(lmm_system_t sys)
   xbt_free(sys);
 }
 
-static void lmm_var_free(lmm_system_t sys, lmm_variable_t var)
+void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var)
 {
   int i;
   lmm_element_t elem = NULL;
@@ -68,6 +68,14 @@ static void lmm_var_free(lmm_system_t sys, lmm_variable_t var)
     if (xbt_swag_size(&(elem->constraint->element_set)))
       make_constraint_inactive(sys, elem->constraint);
   }
+  var->cnsts_number = 0;
+}
+
+static void lmm_var_free(lmm_system_t sys, lmm_variable_t var)
+{
+
+  lmm_variable_disable(sys, var);
+
   xbt_free(var->cnsts);
   xbt_free(var);
 }
@@ -87,7 +95,7 @@ lmm_constraint_t lmm_constraint_new(lmm_system_t sys, void *id,
   s_lmm_element_t elem;
 
   cnst = xbt_new0(s_lmm_constraint_t, 1);
-/*   cnst->id = id; */
+  cnst->id = id;
   xbt_swag_init(&(cnst->element_set),
                xbt_swag_offset(elem, element_set_hookup));
   xbt_swag_init(&(cnst->active_element_set),
@@ -97,8 +105,6 @@ lmm_constraint_t lmm_constraint_new(lmm_system_t sys, void *id,
   cnst->usage = 0;
   insert_constraint(sys, cnst);
 
-  cnst->id = id;
-
   return cnst;
 }
 
@@ -116,7 +122,7 @@ lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
   lmm_variable_t var = NULL;
 
   var = xbt_new0(s_lmm_variable_t, 1);
-/*   var->id = id; */
+  var->id = id;
   var->cnsts = xbt_new0(s_lmm_element_t, number_of_constraints);
   var->cnsts_size = number_of_constraints;
   /* var->cnsts_number = 0; *//* Useless because of the calloc  */
@@ -125,8 +131,6 @@ lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
   var->value = -1;
   insert_variable(sys, var);
 
-  var->id = id;
-
   return var;
 }
 
@@ -160,6 +164,27 @@ void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
   make_constraint_active(sys, cnst);
 }
 
+lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys, lmm_variable_t var, int num)
+{
+  if(num<var->cnsts_number) return(var->cnsts[num].constraint);
+  else return NULL;
+}
+
+int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var)
+{
+  return(var->cnsts_number);
+}
+
+void *lmm_constraint_id(lmm_constraint_t cnst)
+{
+  return cnst->id;
+}
+
+void *lmm_variable_id(lmm_variable_t var)
+{
+  return var->id;
+}
+
 static void saturated_constraints_update(lmm_system_t sys,
                                         lmm_constraint_t cnst,
                                         xbt_maxmin_float_t * min_usage)
@@ -169,8 +194,6 @@ static void saturated_constraints_update(lmm_system_t sys,
   if (cnst->remaining <= 0)
     return;
   if ((*min_usage < 0) || (*min_usage > cnst->remaining / cnst->usage)) {
-    xbt_swag_t active_elem_list = &(cnst->active_element_set);
-
     *min_usage = cnst->remaining / cnst->usage;
 
     while ((useless_cnst = xbt_swag_getFirst(&(sys->saturated_constraint_set))))