#ifndef _SURF_MAXMIN_H
#define _SURF_MAXMIN_H
-typedef long double xbt_maxmin_float_t;
-#define XBT_MAXMIN_FLOAT_T "%Lg" /* for printing purposes */
-
+#include "xbt/misc.h"
typedef struct lmm_variable *lmm_variable_t;
typedef struct lmm_constraint *lmm_constraint_t;
typedef struct lmm_system *lmm_system_t;
void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
lmm_variable_t var, xbt_maxmin_float_t value);
-void lmm_update_variable_bound(lmm_variable_t var,
+void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
xbt_maxmin_float_t bound);
-void lmm_update_variable_weight(lmm_variable_t var,
+void lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
xbt_maxmin_float_t weight);
-void lmm_update_constraint_bound(lmm_constraint_t cnst,
+void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
xbt_maxmin_float_t bound);
int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
l = xbt_new0(s_lmm_system_t, 1);
+ l->modified = 0;
xbt_swag_init(&(l->variable_set),
xbt_swag_offset(var, variable_set_hookup));
xbt_swag_init(&(l->constraint_set),
int i;
lmm_element_t elem = NULL;
+ sys->modified = 1;
+
for (i = 0; i < var->cnsts_number; i++) {
elem = &var->cnsts[i];
xbt_swag_remove(elem, &(elem->constraint->element_set));
{
lmm_element_t elem = NULL;
+ sys->modified = 1;
+
if (var->cnsts_number >= var->cnsts_size)
abort();
{
lmm_constraint_t useless_cnst = NULL;
+ sys->modified = 1;
+
if (cnst->remaining <= 0)
return;
if ((*min_usage < 0) || (*min_usage > cnst->remaining / cnst->usage)) {
lmm_element_t elem = NULL;
xbt_swag_t elem_list = NULL;
+ sys->modified = 1;
+
cnst_list = &(sys->saturated_constraint_set);
while ((cnst = xbt_swag_getFirst(cnst_list))) {
/* xbt_swag_foreach(cnst, cnst_list) { */
xbt_swag_t elem_list = NULL;
xbt_maxmin_float_t min_usage = -1;
+ if(!(sys->modified)) return;
+
/* Init */
var_list = &(sys->variable_set);
xbt_swag_foreach(var, var_list) {
saturated_variables_update(sys);
} while (xbt_swag_size(&(sys->saturated_variable_set)));
+
+ sys->modified = 0;
}
/* Not a O(1) function */
int i;
lmm_element_t elem = NULL;
+ sys->modified = 1;
for (i = 0; i < var->cnsts_number; i++)
if (var->cnsts[i].constraint == cnst) {
elem->value = value;
}
}
-void lmm_update_variable_bound(lmm_variable_t var,
+void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
xbt_maxmin_float_t bound)
{
+ sys->modified = 1;
var->bound = bound;
}
-void lmm_update_variable_weight(lmm_variable_t var,
+void lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
xbt_maxmin_float_t weight)
{
+ sys->modified = 1;
var->weight = weight;
}
-void lmm_update_constraint_bound(lmm_constraint_t cnst,
+void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
xbt_maxmin_float_t bound)
{
+ sys->modified = 1;
cnst->bound = bound;
}