Add two convenient functions

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@746 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h
index c3c05a9..eb55de9 100644 (file)
--- a/src/include/surf/maxmin.h
+++ b/src/include/surf/maxmin.h
@@ -38,6 +38,9 @@ lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys,
                                     lmm_constraint_t cnst,
                                     lmm_variable_t * var);
 
+lmm_constraint_t lmm_get_first_active_constraint(lmm_system_t sys);
+lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys, lmm_constraint_t cnst);
+
 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 31d816a..200722f 100644 (file)
--- a/src/surf/maxmin.c
+++ b/src/surf/maxmin.c
@@ -381,6 +381,16 @@ int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst)
   return xbt_swag_belongs(cnst, &(sys->active_constraint_set));
 }
 
+lmm_constraint_t lmm_get_first_active_constraint(lmm_system_t sys)
+{
+  return xbt_swag_getFirst(&(sys->active_constraint_set));
+}
+
+lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys, lmm_constraint_t cnst)
+{
+  return xbt_swag_getNext(cnst,(sys->active_constraint_set).offset);
+}
+
 
 /* void lmm_print(lmm_system_t sys) */
 /* { */