Add lmm_get_var_from_cnst

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@559 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h
index 4602baf..a5a6bb7 100644 (file)
--- a/src/include/surf/maxmin.h
+++ b/src/include/surf/maxmin.h
@@ -32,6 +32,8 @@ void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
 
 lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys, lmm_variable_t var, int num);
 int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var);
+lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys, lmm_constraint_t cnst, 
+                                    lmm_variable_t *var);
 
 void *lmm_constraint_id(lmm_constraint_t cnst);
 void *lmm_variable_id(lmm_variable_t var);

diff --git a/src/surf/maxmin.c b/src/surf/maxmin.c
index 3e94153..5300929 100644 (file)
--- a/src/surf/maxmin.c
+++ b/src/surf/maxmin.c
@@ -180,6 +180,14 @@ int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var)
   return(var->cnsts_number);
 }
 
+lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys, lmm_constraint_t cnst, 
+                                    lmm_variable_t *var)
+{
+  if(!(*var)) xbt_swag_getFirst(&(cnst->element_set));
+  else *var=xbt_swag_getNext(*var,cnst->element_set.offset);
+  return *var;
+}
+
 void *lmm_constraint_id(lmm_constraint_t cnst)
 {
   return cnst->id;