X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/caf6aba21918125649ff5a84fafb22e225b2d580..759e00e7ad42a922ae00763324da351e5f196815:/src/surf/maxmin_private.hpp

diff --git a/src/surf/maxmin_private.hpp b/src/surf/maxmin_private.hpp
index d3ebfc3286..9b4ecae5b4 100644
--- a/src/surf/maxmin_private.hpp
+++ b/src/surf/maxmin_private.hpp
@@ -1,13 +1,10 @@
-/* Copyright (c) 2004-2014. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2004-2017. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-#ifndef _SURF_MAXMIN_PRIVATE_H
-#define _SURF_MAXMIN_PRIVATE_H
-
-#include <xbt/base.h>
+#ifndef SURF_MAXMIN_PRIVATE_H
+#define SURF_MAXMIN_PRIVATE_H
 
 #include "surf/maxmin.h"
 #include "xbt/swag.h"
@@ -18,11 +15,12 @@
  * @brief LMM element
  * Elements can be seen as glue between constraint objects and variable objects.
  * Basically, each variable will have a set of elements, one for each constraint where it is involved.
- * Then, it is used to list all variables involved in constraint through constraint's element_set lists, or vice-versa list all constraints for a given variable.  
+ * Then, it is used to list all variables involved in constraint through constraint's xxx_element_set lists, or vice-versa list all constraints for a given variable.  
  */
 typedef struct lmm_element {
   /* hookup to constraint */
-  s_xbt_swag_hookup_t element_set_hookup;
+  s_xbt_swag_hookup_t enabled_element_set_hookup;
+  s_xbt_swag_hookup_t disabled_element_set_hookup;
   s_xbt_swag_hookup_t active_element_set_hookup;
 
   lmm_constraint_t constraint;
@@ -44,7 +42,6 @@ typedef struct lmm_constraint_light {
  * \li Enabled elements which variable's weight is non-zero. They are utilized in some LMM functions.
  * \li Active elements which variable's weight is non-zero (i.e. it is enabled) AND its element value is non-zero. LMM_solve iterates over active elements during resolution, dynamically making them active or unactive. 
  * 
- * Also note that we maintain element_set such that all enabled elements (i.e. var->weight>0) come before disabled elements.
  */
 typedef struct lmm_constraint {
   /* hookup to system */
@@ -53,9 +50,8 @@ typedef struct lmm_constraint {
   s_xbt_swag_hookup_t modified_constraint_set_hookup;
   s_xbt_swag_hookup_t saturated_constraint_set_hookup;
 
-  //TODO we could split element_set in, say, enabled_element_set and disabled_element_set depending on var->weight
-  //Could make code more readable and should not pose implementation issues (only lmm_print does not stop at the end of enabled elements
-  s_xbt_swag_t element_set;     /* a list of lmm_element_t */
+  s_xbt_swag_t enabled_element_set;     /* a list of lmm_element_t */
+  s_xbt_swag_t disabled_element_set;     /* a list of lmm_element_t */
   s_xbt_swag_t active_element_set;      /* a list of lmm_element_t */
   double remaining;
   double usage;
@@ -91,7 +87,7 @@ typedef struct lmm_variable {
   double bound;
   double value;
   short int concurrency_share; /* The maximum number of elements that variable will add to a constraint */
-  void *id;
+  simgrid::surf::Action* id;
   int id_int;
   unsigned visited;             /* used by lmm_update_modified_set */
   /* \begin{For Lagrange only} */
@@ -108,7 +104,7 @@ typedef struct lmm_variable {
  */
 typedef struct lmm_system {
   int modified;
-  int selective_update_active;  /* flag to update partially the system only selecting changed portions */
+  bool selective_update_active;  /* flag to update partially the system only selecting changed portions */
   unsigned visited_counter;     /* used by lmm_update_modified_set  and lmm_remove_modified_set to cleverly (un-)flag the constraints (more details in these functions)*/
   s_xbt_swag_t variable_set;    /* a list of lmm_variable_t */
   s_xbt_swag_t constraint_set;  /* a list of lmm_constraint_t */
@@ -122,6 +118,8 @@ typedef struct lmm_system {
   simgrid::surf::ActionLmmListPtr keep_track;
 
   xbt_mallocator_t variable_mallocator;
+
+  void (*solve_fun)(lmm_system_t self);
 } s_lmm_system_t;
 
 #define extract_variable(sys) xbt_swag_extract(&(sys->variable_set))
@@ -137,7 +135,7 @@ typedef struct lmm_system {
     xbt_swag_remove(cnst, &sys->modified_constraint_set); } while (0)
 
 /** @ingroup SURF_lmm
- * @brief Print informations about a lmm system
+ * @brief Print information about a lmm system
  * 
  * @param sys A lmm system
  */
@@ -147,6 +145,4 @@ extern XBT_PRIVATE double (*func_f_def) (lmm_variable_t, double);
 extern XBT_PRIVATE double (*func_fp_def) (lmm_variable_t, double);
 extern XBT_PRIVATE double (*func_fpi_def) (lmm_variable_t, double);
 
-#endif                          /* _SURF_MAXMIN_PRIVATE_H */
-
-
+#endif /* SURF_MAXMIN_PRIVATE_H */