X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/92d240156b173432e445dd198b1311a845b3305a..bcdc04710d2ebb5e537604b0c5a616b265834335:/src/include/surf/maxmin.h

diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h
index 5a4c1c5a59..b38ed7b930 100644
--- a/src/include/surf/maxmin.h
+++ b/src/include/surf/maxmin.h
@@ -10,66 +10,104 @@
 
 #include "xbt/misc.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_variable *lmm_variable_t;
 typedef struct lmm_constraint *lmm_constraint_t;
 typedef struct lmm_system *lmm_system_t;
 
-XBT_PUBLIC lmm_system_t lmm_system_new(void);
-XBT_PUBLIC void lmm_system_free(lmm_system_t sys);
-XBT_PUBLIC void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var);
+XBT_PUBLIC(lmm_system_t) lmm_system_new(void);
+XBT_PUBLIC(void) lmm_system_free(lmm_system_t sys);
+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,
+XBT_PUBLIC(lmm_constraint_t) lmm_constraint_new(lmm_system_t sys, void *id,
 				    double bound_value);
-XBT_PUBLIC void lmm_constraint_shared(lmm_constraint_t cnst);
+void lmm_constraint_shared(lmm_constraint_t cnst);
 
-XBT_PUBLIC void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
+void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
 
-XBT_PUBLIC lmm_variable_t lmm_variable_new(lmm_system_t sys, void *id,
+XBT_PUBLIC(lmm_variable_t) lmm_variable_new(lmm_system_t sys, void *id,
 				double weight_value,
 				double bound, int number_of_constraints);
-XBT_PUBLIC void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
-XBT_PUBLIC double lmm_variable_getvalue(lmm_variable_t var);
+void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
+XBT_PUBLIC(double) lmm_variable_getvalue(lmm_variable_t var);
 
-
-XBT_PUBLIC void lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
+XBT_PUBLIC(void) lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
 		lmm_variable_t var, double value);
-XBT_PUBLIC void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst,
+void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst,
 		    lmm_variable_t var, double value);
-XBT_PUBLIC void lmm_elem_set_value(lmm_system_t sys, lmm_constraint_t cnst,
+void lmm_elem_set_value(lmm_system_t sys, lmm_constraint_t cnst,
 			lmm_variable_t var, double value);
 
-XBT_PUBLIC lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
+lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
 				       lmm_variable_t var, int num);
-XBT_PUBLIC int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var);
-XBT_PUBLIC lmm_variable_t lmm_get_var_from_cnst(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);
 
-XBT_PUBLIC lmm_constraint_t lmm_get_first_active_constraint(lmm_system_t sys);
-XBT_PUBLIC lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys, lmm_constraint_t cnst);
+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);
 
-XBT_PUBLIC void *lmm_constraint_id(lmm_constraint_t cnst);
-XBT_PUBLIC void *lmm_variable_id(lmm_variable_t var);
+void *lmm_constraint_id(lmm_constraint_t cnst);
+void *lmm_variable_id(lmm_variable_t var);
 
-XBT_PUBLIC void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
+void lmm_update(lmm_system_t sys, lmm_constraint_t cnst,
 		lmm_variable_t var, double value);
-XBT_PUBLIC void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
+void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var,
 			       double bound);
-XBT_PUBLIC void lmm_update_variable_weight(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);
+
+
+
+XBT_PUBLIC(void) lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
 				double weight);
-XBT_PUBLIC double lmm_get_variable_weight(lmm_variable_t var);
+double lmm_get_variable_weight(lmm_variable_t var);
 
-XBT_PUBLIC 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);
 
-XBT_PUBLIC int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
+int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
+
+
+XBT_PUBLIC(void) lmm_solve(lmm_system_t sys);
+
+#ifdef HAVE_SDP
+XBT_PUBLIC(void) sdp_solve(lmm_system_t sys);
+#endif /* HAVE_SDP */
+
+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_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);
+
 
-XBT_PUBLIC void lmm_solve(lmm_system_t sys);
-XBT_PUBLIC void sdp_solve(lmm_system_t sys);
 #endif				/* _SURF_MAXMIN_H */