+typedef struct surf_model_private {
+ int (*resource_used) (void *resource_id);
+ /* Share the resources to the actions and return in hom much time
+ the next action may terminate */
+ double (*share_resources) (double now);
+ /* Update the actions' state */
+ void (*update_actions_state) (double now, double delta);
+ void (*update_resource_state) (void *id, tmgr_trace_event_t event_type,
+ double value);
+ void (*finalize) (void);
+} s_surf_model_private_t;
+
+/* #define pub2priv(r) ((surf_model_private_t) ((char *)(r) -(sizeof(struct surf_model_private_part)))) */
+/* #define priv2pub(r) ((void *) ((char *)(r) +(sizeof(struct surf_model_private_part)))) */
+
+extern int use_sdp_solver;
+extern int use_lagrange_solver;
+
+double generic_maxmin_share_resources(xbt_swag_t running_actions,
+ size_t offset,
+ lmm_system_t sys,
+ void (*solve)(lmm_system_t));
+
+/* Generic functions common to all modelss */