X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4be1b32b731cc2a3a6e8bef09d782a19280d6ddf..042a36bef77ecda07440c4ff365eeaeadb40c008:/src/include/surf/maxmin.h

diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h
index cf32554faa..3449a32667 100644
--- a/src/include/surf/maxmin.h
+++ b/src/include/surf/maxmin.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004-2014. The SimGrid Team.
+/* Copyright (c) 2004-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,12 +7,11 @@
 #ifndef _SURF_MAXMIN_H
 #define _SURF_MAXMIN_H
 
-#include "portable.h"
+#include "src/portable.h"
 #include "xbt/misc.h"
 #include "xbt/asserts.h"
 #include "surf/datatypes.h"
 #include <math.h>
-//#include <float.h>
 
 
 /** @addtogroup SURF_lmm 
@@ -87,8 +86,8 @@
  * to consrtaint and the communications to variables.
  */
 
-extern double sg_maxmin_precision;
-extern double sg_surf_precision;
+XBT_PUBLIC_DATA(double) sg_maxmin_precision;
+XBT_PUBLIC_DATA(double) sg_surf_precision;
  
 static XBT_INLINE void double_update(double *variable, double value, double precision)
 {
@@ -284,6 +283,23 @@ XBT_PUBLIC(lmm_variable_t) lmm_get_var_from_cnst(lmm_system_t sys,
                                      lmm_constraint_t cnst,
                                      lmm_element_t * elem);
 
+/**
+ * @brief Get a var associated to a constraint
+ * @details Get the first variable of the next variable of elem if elem is not NULL
+ *
+ * @param cnst A constraint
+ * @param elem A element of constraint of the constraint or NULL
+ * @param nextelem A element of constraint of the constraint or NULL, the one after elem
+ * @param numelem parameter representing the number of elements to go
+ *
+ * @return A variable associated to a constraint
+ */
+XBT_PUBLIC(lmm_variable_t) lmm_get_var_from_cnst_safe(lmm_system_t /*sys*/,
+                                     lmm_constraint_t cnst,
+                                     lmm_element_t * elem,
+                                     lmm_element_t * nextelem,
+                                     int * numelem);
+
 /**
  * @brief Get the first active constraint of a system
  *