X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d30b64ee1cb46a273b00b58ad3c97bb92157cd55..90efa0c7c4d4c88517e6c638b4478cc2573954ad:/src/include/surf/maxmin.h

diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h
index 98c5f27ce5..d4356acad7 100644
--- a/src/include/surf/maxmin.h
+++ b/src/include/surf/maxmin.h
@@ -8,14 +8,22 @@
 #ifndef _SURF_MAXMIN_H
 #define _SURF_MAXMIN_H
 
+#include "portable.h"
 #include "xbt/misc.h"
-#include "portable.h" 
+
+#define MAXMIN_PRECISION 0.00001
 static XBT_INLINE void double_update(double *variable, double value) 
 {
   *variable -= value;
-  if(*variable< 0.00001) *variable = 0.0;
+  if(*variable< MAXMIN_PRECISION) *variable = 0.0;
+}
+
+static XBT_INLINE int double_positive(double value) 
+{
+  return (value>MAXMIN_PRECISION);
 }
 
+typedef struct lmm_element *lmm_element_t;
 typedef struct lmm_variable *lmm_variable_t;
 typedef struct lmm_constraint *lmm_constraint_t;
 typedef struct lmm_system *lmm_system_t;
@@ -27,6 +35,7 @@ void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var);
 XBT_PUBLIC(lmm_constraint_t) lmm_constraint_new(lmm_system_t sys, void *id,
 				    double bound_value);
 void lmm_constraint_shared(lmm_constraint_t cnst);
+int lmm_constraint_is_shared(lmm_constraint_t cnst);
 
 void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
 
@@ -35,7 +44,7 @@ XBT_PUBLIC(lmm_variable_t) lmm_variable_new(lmm_system_t sys, void *id,
 				double bound, int number_of_constraints);
 void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
 XBT_PUBLIC(double) lmm_variable_getvalue(lmm_variable_t var);
-
+XBT_PUBLIC(double) lmm_variable_getbound(lmm_variable_t var);
 
 XBT_PUBLIC(void) lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
 		lmm_variable_t var, double value);
@@ -49,7 +58,7 @@ lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
 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);
+				     lmm_element_t * elem);
 
 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);
@@ -62,18 +71,8 @@ void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
 void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
 			       double bound);
 
-/** \brief Add the value delta to var->df the sum of latencys.
- * 
- *  \param sys the lmm_system_t
- *  \param var the lmm_variable_t
- * 
- *  Add the value delta to var->df (the sum of latencys associated to the
- *  flow). Whenever this function is called a change is  signed in the system. To
- *  avoid false system changing detection it is a good idea to test 
- *  (delta != 0) before calling it.
- *
- */
-void lmm_update_variable_latency(lmm_system_t sys, lmm_variable_t var,
+
+XBT_PUBLIC(void) lmm_update_variable_latency(lmm_system_t sys, lmm_variable_t var,
 				 double delta);
 
 
@@ -82,7 +81,7 @@ XBT_PUBLIC(void) lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var
 				double weight);
 double lmm_get_variable_weight(lmm_variable_t var);
 
-void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
+XBT_PUBLIC(void) lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst,
 				 double bound);
 
 int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
@@ -91,11 +90,32 @@ int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
 XBT_PUBLIC(void) lmm_solve(lmm_system_t sys);
 
 #ifdef HAVE_SDP
-void sdp_solve(lmm_system_t sys);
+XBT_PUBLIC(void) sdp_solve(lmm_system_t sys);
 #endif /* HAVE_SDP */
 
-void lagrange_solve(lmm_system_t sys);
+XBT_PUBLIC(void) lagrange_solve(lmm_system_t sys);
+XBT_PUBLIC(void) bottleneck_solve(lmm_system_t sys);
+
+/**
+ * Default functions associated to the chosen protocol. When
+ * using the lagrangian approach.
+ */
+
+XBT_PUBLIC(void) lmm_set_default_protocol_function(double (* func_f)  (lmm_variable_t var, double x),
+				       double (* func_fp) (lmm_variable_t var, double x),
+				       double (* func_fpi)(lmm_variable_t var, double x));
+
+XBT_PUBLIC(double func_reno_f)  (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno_fpi)(lmm_variable_t var, double x);
+
+XBT_PUBLIC(double func_reno2_f)  (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno2_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_reno2_fpi)(lmm_variable_t var, double x);
+
+XBT_PUBLIC(double func_vegas_f)  (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_vegas_fp) (lmm_variable_t var, double x);
+XBT_PUBLIC(double func_vegas_fpi)(lmm_variable_t var, double x);
 
-void lagrange_dicotomi_solve(lmm_system_t sys);
 
 #endif				/* _SURF_MAXMIN_H */